diff --git a/ingest.py b/ingest.py
index fd9346c..8f5a6b7 100644
--- a/ingest.py
+++ b/ingest.py
@@ -204,7 +204,7 @@ def _bad_event_encrypted_file_info(event: BadEvent) -> Optional[dict]:
 
 def is_supported_file(event) -> bool:
     if isinstance(event, RoomMessageFile):
-        return (event.body or "").lower().endswith(".pdf")
+        return True  # validate magic bytes later; body may be empty (e.g. WhatsApp bridge)
     if isinstance(event, RoomMessageImage):
         return True  # validate magic bytes later; body may be empty (e.g. WhatsApp bridge)
     if isinstance(event, BadEvent):
@@ -219,7 +219,10 @@ def extract_event_fields(event) -> tuple[str, str, str, Optional[str]]:
         filename = content.get("body", "unknown")
         file_info = content.get("file", {})
         return event.event_id, filename, file_info["url"], json.dumps(file_info)
-    filename = event.body or "image.jpg"
+    if isinstance(event, RoomMessageFile):
+        filename = event.body or "document.pdf"
+    else:
+        filename = event.body or "image.jpg"
     return event.event_id, filename, event.url, None