Preview images of embedded PDF documents attached to the page seem broken

Summary

When preview the attached PDF files in the page, the images seem broken

Steps to Reproduce

1. Create a page attached the PDF files to the page
2. The link seem broken even in edit mode
3. When you publish and preview it, the image seems broken

Expected Results

The PDF should be display out in preview mode

Actual Results

The pdf seem broken

Workaround

Currently there is no workaround for this issue.

Might need to suggest customer to use View file Macro to get the files to be preview in pages.

Note:

• Currently only tested with PDF, Image, Excel, Power Point
• Images files doesn't seem to be an issue.
• CONFCLOUD-58751 could be related to this too.