I have a file (my.pdf) that Windows file properties reports is a screenshot from snagit.$ convert -version
Version: ImageMagick 6.7.8-9 2016-06-03 Q16
Viewing my.pdf with Adobe Reader DC displays a readable, although slightly faint, image.
Converting it to anything, even another PDF, produces an unreadable image, e.g.
new.pdf is super faint and unreadable.$ convert my.pdf new.pdf
...is also unreadable.$ convert my.pdf my.tif
I do not have control over the input PDFs (they are received email attachments).
Suggestions on how to use 'convert' on this PDF file and end up with a readable result?
Alternatively, if the input PDF file is hopeless, is there a way to use ImageMagick or another tool to identify these (bad) PDFs so I could just pass them through without attempting to process them?