Can't open 1 pdf

I can’t open this PDF:

$ qpdfview FP\ -\ Me\ -\ A1.pdf 
Unknown MIME type: "application/octet-stream"
"Could not match file type of 'FP - Me - A1.pdf'!"

any ideas?

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 20.10
Release:        20.10
Codename:       groov

Yep: invalid PDF. I ran the same thing against /usr/share/cups/data/topsecret.pdf with no such issues.

It was file permissions.
I downloaded the document as a zip file and unzipped it but it had permissions of

so it didn’t open.
I downloaded the file as a pdf and it had proper permissions and it worked.


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