Clickable URI hides destination behind an obfuscated IP

PDF_URI_OBFUSCATED_IP_HOST

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high PDF_URI_OBFUSCATED_IP_HOST

What it means

PDF clickable URI hides its real host as an obfuscated IP literal or behind a brand-looking user@ userinfo.

Why it fires

Legitimate links never encode their host as hex/octal/dword integer octets, and never hide a real IP destination behind a brand-shaped 'name@' user-info prefix that the browser discards. Both forms exist only to make the rendered link read like a trusted site while routing to disposable IP infrastructure — a hallmark of phishing and malware redirectors.

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