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by pph
1437 days ago
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PDF can embed lots of things and is quite hard to scan because there's some many ways to do things.. It is used for sending documents because its function is to have a fixed layout for printing (and look the same on every device), not because it's safer than other document formats. If you really want a safe PDF, there's a function in Qubes OS that basically opens a PDF in a new VM, makes screenshots and then creates a new PDF from those. You'll lose advanced functions (e.g. forms) as the pages simply become pictures but that's a tradeoff you have to make. |
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