diff --git a/028-image-references-deduplication/wrong-references.pdf b/028-image-references-deduplication/wrong-references.pdf
new file mode 100644
index 0000000..fb33f10
Binary files /dev/null and b/028-image-references-deduplication/wrong-references.pdf differ
diff --git a/files.json b/files.json
index e6a3f4c..8b91c24 100644
--- a/files.json
+++ b/files.json
@@ -355,6 +355,16 @@
                 "Text": 32,
                 "Widget": 96
             }
+        },
+        {
+            "path": "028-image-references-deduplication/wrong-references.pdf",
+            "producer": "LibreOffice 25.8",
+            "creation_date": "2026-04-19T14:39:03",
+            "encrypted": false,
+            "pages": 3,
+            "images": 2,
+            "forms": 0,
+            "annotations": {}
         }
     ]
-}
+}
\ No newline at end of file