Issue Summary

Complex PDF files are breaking when using the Trello preview on browsers.
This is reproducible on Data Center: Yes

Steps to Reproduce

Attach a complex file on any card then try to preview them inside the browser.

Expected Results

It should return the PDF with no issues, the same as if you download it and then open.

Actual Results

The file breaks and it displays the information out of order

Workaround

At the moment, the only workaround would be downloading the file first, and then opening it.