Steps to reproduce:

1. Download https://github.com/include-cpp/toolboxes/releases/download/untagged-7d8fa57a9a73cc63ce1f/meetup.zip
2. Expand the above zip
3. Open the file meetup/meetup-toolbox/checklist.pdf

• Expected result: Content
• Actual result: In both Chrome and Acrobat Reader, I see a blank file/empty page

Environment: Windows 10