📎 PDF = Pretty Deceptive File: Think PDFs are safe because they’re “just documents”? Nope. A new tool kit called MatrixPDF lets hackers secretly bake malicious code, fake overlays or phishing traps into what look like normal, trusted PDFs. Paired with AI tools like SpamGPT, that same file you thought was harmless could be weaponized and distributed at scale. Most security filters don’t flag anything until after you click, so staying cautious is more important than ever. 
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