diff --git a/features/dd-sdk-android-rum/api/apiSurface b/features/dd-sdk-android-rum/api/apiSurface
index b27a54195f..5cdccce400 100644
--- a/features/dd-sdk-android-rum/api/apiSurface
+++ b/features/dd-sdk-android-rum/api/apiSurface
@@ -150,6 +150,7 @@ interface com.datadog.android.rum.RumSessionListener
 class com.datadog.android.rum._RumInternalProxy
   fun addLongTask(Long, String)
   fun updatePerformanceMetric(RumPerformanceMetric, Double)
+  fun setSyntheticsAttribute(String?, String?)
   companion object 
     fun setTelemetryConfigurationEventMapper(RumConfiguration.Builder, com.datadog.android.event.EventMapper<com.datadog.android.telemetry.model.TelemetryConfigurationEvent>): RumConfiguration.Builder
     fun setAdditionalConfiguration(RumConfiguration.Builder, Map<String, Any>): RumConfiguration.Builder
diff --git a/features/dd-sdk-android-rum/api/dd-sdk-android-rum.api b/features/dd-sdk-android-rum/api/dd-sdk-android-rum.api
index 04619cceab..a0c9d3c94e 100644
--- a/features/dd-sdk-android-rum/api/dd-sdk-android-rum.api
+++ b/features/dd-sdk-android-rum/api/dd-sdk-android-rum.api
@@ -224,6 +224,7 @@ public abstract interface class com/datadog/android/rum/RumSessionListener {
 public final class com/datadog/android/rum/_RumInternalProxy {
 	public static final field Companion Lcom/datadog/android/rum/_RumInternalProxy$Companion;
 	public final fun addLongTask (JLjava/lang/String;)V
+	public final fun setSyntheticsAttribute (Ljava/lang/String;Ljava/lang/String;)V
 	public final fun updatePerformanceMetric (Lcom/datadog/android/rum/RumPerformanceMetric;D)V
 }
 
diff --git a/features/dd-sdk-android-rum/src/main/kotlin/com/datadog/android/rum/_RumInternalProxy.kt b/features/dd-sdk-android-rum/src/main/kotlin/com/datadog/android/rum/_RumInternalProxy.kt
index 23e4ffad47..e78c891047 100644
--- a/features/dd-sdk-android-rum/src/main/kotlin/com/datadog/android/rum/_RumInternalProxy.kt
+++ b/features/dd-sdk-android-rum/src/main/kotlin/com/datadog/android/rum/_RumInternalProxy.kt
@@ -6,6 +6,7 @@
 
 package com.datadog.android.rum
 
+import android.content.Intent
 import com.datadog.android.event.EventMapper
 import com.datadog.android.lint.InternalApi
 import com.datadog.android.rum.internal.monitor.AdvancedRumMonitor
@@ -31,6 +32,7 @@ import com.datadog.android.telemetry.model.TelemetryConfigurationEvent
     "VariableNaming"
 )
 class _RumInternalProxy internal constructor(private val rumMonitor: AdvancedRumMonitor) {
+    @Volatile private var handledSyntheticsAttribute = false
 
     fun addLongTask(durationNs: Long, target: String) {
         rumMonitor.addLongTask(durationNs, target)
@@ -40,6 +42,28 @@ class _RumInternalProxy internal constructor(private val rumMonitor: AdvancedRum
         rumMonitor.updatePerformanceMetric(metric, value)
     }
 
+    @Suppress("MemberVisibilityCanBePrivate")
+    fun setSyntheticsAttribute(testId: String?, resultId: String?) {
+        if (this.handledSyntheticsAttribute) {
+            return
+        }
+
+        this.handledSyntheticsAttribute = true
+        if (testId.isNullOrBlank() || resultId.isNullOrBlank()) {
+            return
+        }
+
+        rumMonitor.setSyntheticsAttribute(testId, resultId)
+    }
+
+    internal fun setSyntheticsAttributeFromIntent(intent: Intent) {
+        @Suppress("TooGenericExceptionCaught")
+        val extras = try { intent.extras } catch (_: Exception) { null }
+        val testId = extras?.getString("_dd.synthetics.test_id")
+        val resultId = extras?.getString("_dd.synthetics.result_id")
+        this.setSyntheticsAttribute(testId, resultId)
+    }
+
     companion object {
 
         @Suppress("FunctionMaxLength")
diff --git a/features/dd-sdk-android-rum/src/main/kotlin/com/datadog/android/rum/tracking/ActivityLifecycleTrackingStrategy.kt b/features/dd-sdk-android-rum/src/main/kotlin/com/datadog/android/rum/tracking/ActivityLifecycleTrackingStrategy.kt
index e0fc555267..79b81a2fe2 100644
--- a/features/dd-sdk-android-rum/src/main/kotlin/com/datadog/android/rum/tracking/ActivityLifecycleTrackingStrategy.kt
+++ b/features/dd-sdk-android-rum/src/main/kotlin/com/datadog/android/rum/tracking/ActivityLifecycleTrackingStrategy.kt
@@ -17,7 +17,6 @@ import com.datadog.android.api.SdkCore
 import com.datadog.android.api.feature.FeatureSdkCore
 import com.datadog.android.rum.GlobalRumMonitor
 import com.datadog.android.rum.internal.RumFeature
-import com.datadog.android.rum.internal.monitor.AdvancedRumMonitor
 
 /**
  * The ActivityLifecycleTrackingStrategy as an [Application.ActivityLifecycleCallbacks]
@@ -92,16 +91,11 @@ abstract class ActivityLifecycleTrackingStrategy :
 
     @MainThread
     override fun onActivityCreated(activity: Activity, savedInstanceState: Bundle?) {
-        val intent = activity.intent
-        val extras = intent.safeExtras
-        val testId = extras?.getString("_dd.synthetics.test_id")
-        val resultId = extras?.getString("_dd.synthetics.result_id")
-        if (!testId.isNullOrBlank() && !resultId.isNullOrBlank()) {
-            (GlobalRumMonitor.get(sdkCore) as? AdvancedRumMonitor)
-                ?.setSyntheticsAttribute(
-                    testId,
-                    resultId
-                )
+        if (::sdkCore.isInitialized) {
+            GlobalRumMonitor
+                .get(sdkCore)
+                ._getInternal()
+                ?.setSyntheticsAttributeFromIntent(activity.intent)
         }
     }
 
diff --git a/features/dd-sdk-android-rum/src/test/kotlin/com/datadog/android/rum/ActivityLifecycleTrackingStrategyTest.kt b/features/dd-sdk-android-rum/src/test/kotlin/com/datadog/android/rum/ActivityLifecycleTrackingStrategyTest.kt
index 9167fb3161..1feec68f43 100644
--- a/features/dd-sdk-android-rum/src/test/kotlin/com/datadog/android/rum/ActivityLifecycleTrackingStrategyTest.kt
+++ b/features/dd-sdk-android-rum/src/test/kotlin/com/datadog/android/rum/ActivityLifecycleTrackingStrategyTest.kt
@@ -39,6 +39,7 @@ import org.mockito.kotlin.doAnswer
 import org.mockito.kotlin.doReturn
 import org.mockito.kotlin.doThrow
 import org.mockito.kotlin.mock
+import org.mockito.kotlin.never
 import org.mockito.kotlin.verify
 import org.mockito.kotlin.verifyNoInteractions
 import org.mockito.kotlin.whenever
@@ -166,7 +167,7 @@ internal abstract class ActivityLifecycleTrackingStrategyTest<T> : ObjectTest<T>
 
         // verify
         val mockRumMonitor = rumMonitor.mockInstance as AdvancedRumMonitor
-        verifyNoInteractions(mockRumMonitor)
+        verify(mockRumMonitor, never()).setSyntheticsAttribute(any(), any())
     }
 
     @Test
@@ -184,7 +185,7 @@ internal abstract class ActivityLifecycleTrackingStrategyTest<T> : ObjectTest<T>
 
         // verify
         val mockRumMonitor = rumMonitor.mockInstance as AdvancedRumMonitor
-        verifyNoInteractions(mockRumMonitor)
+        verify(mockRumMonitor, never()).setSyntheticsAttribute(any(), any())
     }
 
     companion object {
diff --git a/features/dd-sdk-android-rum/src/test/kotlin/com/datadog/android/rum/utils/config/GlobalRumMonitorTestConfiguration.kt b/features/dd-sdk-android-rum/src/test/kotlin/com/datadog/android/rum/utils/config/GlobalRumMonitorTestConfiguration.kt
index 31603c1422..21fe41d39f 100644
--- a/features/dd-sdk-android-rum/src/test/kotlin/com/datadog/android/rum/utils/config/GlobalRumMonitorTestConfiguration.kt
+++ b/features/dd-sdk-android-rum/src/test/kotlin/com/datadog/android/rum/utils/config/GlobalRumMonitorTestConfiguration.kt
@@ -9,19 +9,33 @@ package com.datadog.android.rum.utils.config
 import com.datadog.android.core.InternalSdkCore
 import com.datadog.android.rum.GlobalRumMonitor
 import com.datadog.android.rum.RumMonitor
+import com.datadog.android.rum._RumInternalProxy
 import com.datadog.android.rum.internal.monitor.AdvancedRumMonitor
 import com.datadog.tools.unit.extensions.config.MockTestConfiguration
 import fr.xgouchet.elmyr.Forge
 import org.mockito.kotlin.mock
+import org.mockito.kotlin.whenever
+
+@Suppress("TestFunctionName")
+internal abstract class InternalAdvancedRumMonitor : AdvancedRumMonitor {
+    override fun _getInternal(): _RumInternalProxy? {
+        return null
+    }
+}
 
 internal class GlobalRumMonitorTestConfiguration :
-    MockTestConfiguration<RumMonitor>(AdvancedRumMonitor::class.java) {
+    MockTestConfiguration<RumMonitor>(InternalAdvancedRumMonitor::class.java) {
 
     lateinit var mockSdkCore: InternalSdkCore
 
     override fun setUp(forge: Forge) {
         super.setUp(forge)
         mockSdkCore = mock()
+
+        (mockInstance as? InternalAdvancedRumMonitor)?.let {
+            whenever(it._getInternal()).thenReturn(_RumInternalProxy(mockInstance as AdvancedRumMonitor))
+        }
+
         GlobalRumMonitor.registerIfAbsent(mockInstance, mockSdkCore)
     }