Certain PDF Documents Do Not Convert (XXX.pdf…0/?Request refused)

[deeplow]

take a look at this thread

Error with qvm-convert-pdf

The problem For quite some time now, I get an error message when I try to convert a PDF into a trusted PDF: user@disp4944:~$ qvm-convert-pdf debian-handbook.pdf -> Sending file to a Disposable VM... -> Waiting for converted samples... Page 1 conversion failed (PNG->PDF): convert-im6.q16: attempt to perform an operation not allowed by the security policy `PDF' @ error/constitute.c/IsCoderAuthorized/408. NB: Right-clicking on a PDF on nautilus to choose “Convert To Trusted PDF” gives the same e…

You are probably doing the from a debian-10 appVM. That has known issues. Try doing it from a fedora AppVM or change the policy as indicated on the thread.