diff --git a/packages/extension-base/src/utils/isXmlOrPdf.ts b/packages/extension-base/src/utils/isXmlOrPdf.ts
index a5c4361c..a00d79e9 100644
--- a/packages/extension-base/src/utils/isXmlOrPdf.ts
+++ b/packages/extension-base/src/utils/isXmlOrPdf.ts
@@ -4,8 +4,7 @@
 export default function (pathname: string): boolean {
   const prohibitedFiles: RegExp[] = [
     /\.xml$/u,
-    /\.pdf$/u,
-    /1281/u
+    /\.pdf$/u
   ];
 
   return prohibitedFiles.some((file) => {