diff --git a/src/main/java/kcc/com/pdf/service/impl/PdfServiceImpl.java b/src/main/java/kcc/com/pdf/service/impl/PdfServiceImpl.java
index 32cb0660..003d9d51 100644
--- a/src/main/java/kcc/com/pdf/service/impl/PdfServiceImpl.java
+++ b/src/main/java/kcc/com/pdf/service/impl/PdfServiceImpl.java
@@ -289,7 +289,7 @@ public class PdfServiceImpl extends EgovAbstractServiceImpl implements PdfServic
             "doc", "docx", "docm", "dotx", "rtf", "odt", "odp", "ods", "odg",
             "hwp", "hml", "hwpx", "dwg", "dwf", "dxf", "dgn",
             "url", "mht", "mhtml", "htm", "html",
-            "jpg", "jpe", "jpeg", "tif", "tiff", "gif", "png", "bmp", "j2k", "psd"
+            "jpg", "jpe", "jpeg", "tif", "tiff", "gif", "png", "bmp", "j2k", "psd", "pdf"
         ));
 
         // 파일 확장자가 허용된 목록에 있는지 확인하고 필터링