Malicious PDF — malware analysis report

Static analysis result for SHA-256 807a2394a6c82840…

MALICIOUS

PDF

12.9 KB Created: 2019-04-30 05:30:02 +01:00 Authoring application: mPDF 5.7
MD5: b5136e03e160751eec24b88b2d5c8f17 SHA-1: b5ce945db74fa0561f6032bc0eddf5a29519cdd0 SHA-256: 807a2394a6c82840da20155b83057be9cfe729c0b1866445982407282606d851
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO poisoning or to distribute malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted, and the document body was heavily obfuscated, but the presence of numerous links to a single domain suggests a coordinated effort to drive traffic or distribute further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9006

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://loaminoo.linkpc.net/2093092094098095/Call-Me-Sir-Sir-1-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/2093092091099098/The-Master-s-Pet-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/7096093090093091/Kaleidoscope-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/2093090092094099/Pleasing-Michael-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/3095095092091090/Protective-Custody-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/2095095093090099/My-Lupine-Lover-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/2096093092096095/Cowboy-Way-Blaecleah-Brothers-3-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/3090093096096097/The-Cat-s-Meow-Assassin-s-Pride-1-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/4094098096092092/Cowboy-Up-Blaecleah-Brothers-5-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/4094098090092096/Cowboy-Dreams-Love-s-Legacy-2-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/2099095095091094/Scales-And-A-Tail-Midnight-Matings-2-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/3097096096090098/Unspoken-Desires-Tri-Omega-Mates-5-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/2093097091095099/Forbidden-Desires-Tri-Omega-Mates-2-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/2093097091095098/Hidden-Desires-Tri-Omega-Mates-3-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/2099099099097094/Mate-Challenge-King-s-Command-5-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/3097098095096098/A-Hunter-s-Desires-Tri-Omega-Mates-6-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/2093090092096095/Slave-Auction-Spaced-Out-For-Love-1-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/3097098095093099/Redemption-True-Blood-Mate-4-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/6094095096095090/Farmer-in-the-Dell-Cade-Creek-2-by-Stormy-Glenn.pdf
    • http://loaminoo.linkpc.net/2093092094099096/Mating-Games-Delta-Wolf-2-by-Stormy-Glenn.pdf

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