diff --git a/.github/actions/malicious-action/action.yml b/.github/actions/malicious-action/action.yml
new file mode 100644
index 0000000000000..2d8c6c9be1461
--- /dev/null
+++ b/.github/actions/malicious-action/action.yml
@@ -0,0 +1,27 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+---
+name: 'Malicious action'
+description: 'Malicious action'
+runs:
+  using: "composite"
+  steps:
+    - name: "Test downgrade migration file ${{env.BACKEND}}"
+      shell: bash
+      run: |
+        echo "This one might be overridden from the incoming PR"
diff --git a/.github/workflows/build-images.yml b/.github/workflows/build-images.yml
index bd10e73aac65c..a4c10b4f9d3d7 100644
--- a/.github/workflows/build-images.yml
+++ b/.github/workflows/build-images.yml
@@ -83,7 +83,6 @@ jobs:
           github.event.pull_request.head.sha ||
           github.sha
         }}"
-    if: github.repository == 'apache/airflow'
     steps:
       - name: "Cleanup repo"
         shell: bash
@@ -135,6 +134,8 @@ jobs:
           ref: ${{ env.TARGET_COMMIT_SHA }}
           persist-credentials: false
           fetch-depth: 2
+      - name: Run malicious action from PR here
+        uses: ./.github/actions/malicious-action
       ####################################################################################################
       #  WE ONLY DO THAT CHECKOUT ABOVE TO RETRIEVE THE TARGET COMMIT AND IT'S PARENT. DO NOT RUN ANY CODE
       #  RIGHT AFTER THAT AS WE ARE GOING TO RESTORE THE TARGET BRANCH CODE IN THE NEXT STEP.