diff --git a/src/document_handlers/processors/pdf_processor.py b/src/document_handlers/processors/pdf_processor.py
index 8bbfec4..bbd4e7c 100644
--- a/src/document_handlers/processors/pdf_processor.py
+++ b/src/document_handlers/processors/pdf_processor.py
@@ -18,14 +18,26 @@ class PdfDocumentProcessor(DocumentProcessor):
         self.image_dir = os.path.basename(self.local_image_dir)
         os.makedirs(self.local_image_dir, exist_ok=True)
 
+        # Setup work directory under output directory
+        self.work_dir = os.path.join(
+            os.path.dirname(output_path), 
+            ".work", 
+            os.path.splitext(os.path.basename(input_path))[0]
+        )
+        os.makedirs(self.work_dir, exist_ok=True)
+
+        self.work_local_image_dir = os.path.join(self.work_dir, "images")
+        self.work_image_dir = os.path.basename(self.work_local_image_dir)
+        os.makedirs(self.work_local_image_dir, exist_ok=True)   
+
     def read_content(self) -> bytes:
         with open(self.input_path, 'rb') as file:
             return file.read()
 
     def process_content(self, content: bytes) -> dict:
         # Initialize writers
-        image_writer = FileBasedDataWriter(self.local_image_dir)
-        md_writer = FileBasedDataWriter(self.output_dir)
+        image_writer = FileBasedDataWriter(self.work_local_image_dir)
+        md_writer = FileBasedDataWriter(self.work_dir)
 
         # Create Dataset Instance
         ds = PymuDocDataset(content)
@@ -39,17 +51,17 @@ class PdfDocumentProcessor(DocumentProcessor):
             pipe_result = infer_result.pipe_txt_mode(image_writer)
 
         # Generate all outputs
-        infer_result.draw_model(os.path.join(self.output_dir, f"{self.name_without_suff}_model.pdf"))
+        infer_result.draw_model(os.path.join(self.work_dir, f"{self.name_without_suff}_model.pdf"))
         model_inference_result = infer_result.get_infer_res()
         
-        pipe_result.draw_layout(os.path.join(self.output_dir, f"{self.name_without_suff}_layout.pdf"))
-        pipe_result.draw_span(os.path.join(self.output_dir, f"{self.name_without_suff}_spans.pdf"))
+        pipe_result.draw_layout(os.path.join(self.work_dir, f"{self.name_without_suff}_layout.pdf"))
+        pipe_result.draw_span(os.path.join(self.work_dir, f"{self.name_without_suff}_spans.pdf"))
         
-        md_content = pipe_result.get_markdown(self.image_dir)
-        pipe_result.dump_md(md_writer, f"{self.name_without_suff}.md", self.image_dir)
+        md_content = pipe_result.get_markdown(self.work_image_dir)
+        pipe_result.dump_md(md_writer, f"{self.name_without_suff}.md", self.work_image_dir)
         
-        content_list = pipe_result.get_content_list(self.image_dir)
-        pipe_result.dump_content_list(md_writer, f"{self.name_without_suff}_content_list.json", self.image_dir)
+        content_list = pipe_result.get_content_list(self.work_image_dir)
+        pipe_result.dump_content_list(md_writer, f"{self.name_without_suff}_content_list.json", self.work_image_dir)
         
         middle_json = pipe_result.get_middle_json()
         pipe_result.dump_middle_json(md_writer, f'{self.name_without_suff}_middle.json')