diff --git a/litellm/llms/vertex_ai.py b/litellm/llms/vertex_ai.py
index bbedb0114..dc79e7e4e 100644
--- a/litellm/llms/vertex_ai.py
+++ b/litellm/llms/vertex_ai.py
@@ -297,24 +297,29 @@ def _convert_gemini_role(role: str) -> Literal["user", "model"]:
 
 def _process_gemini_image(image_url: str) -> PartType:
     try:
-        if "gs://" in image_url:
-            # Case 1: Images with Cloud Storage URIs
+        if ".mp4" in image_url and "gs://" in image_url:
+            # Case 1: Videos with Cloud Storage URIs
+            part_mime = "video/mp4"
+            _file_data = FileDataType(mime_type=part_mime, file_uri=image_url)
+            return PartType(file_data=_file_data)
+        elif ".pdf" in image_url and "gs://" in image_url:
+            # Case 2: PDF's with Cloud Storage URIs
+            part_mime = "application/pdf"
+            _file_data = FileDataType(mime_type=part_mime, file_uri=image_url)
+            return PartType(file_data=_file_data)
+        elif "gs://" in image_url:
+            # Case 3: Images with Cloud Storage URIs
             # The supported MIME types for images include image/png and image/jpeg.
             part_mime = "image/png" if "png" in image_url else "image/jpeg"
             _file_data = FileDataType(mime_type=part_mime, file_uri=image_url)
             return PartType(file_data=_file_data)
         elif "https:/" in image_url:
-            # Case 2: Images with direct links
+            # Case 4: Images with direct links
             image = _load_image_from_url(image_url)
             _blob = BlobType(data=image.data, mime_type=image._mime_type)
             return PartType(inline_data=_blob)
-        elif ".mp4" in image_url and "gs://" in image_url:
-            # Case 3: Videos with Cloud Storage URIs
-            part_mime = "video/mp4"
-            _file_data = FileDataType(mime_type=part_mime, file_uri=image_url)
-            return PartType(file_data=_file_data)
         elif "base64" in image_url:
-            # Case 4: Images with base64 encoding
+            # Case 5: Images with base64 encoding
             import base64, re
 
             # base 64 is passed as data:image/jpeg;base64,<base-64-encoded-image>