Malicious PDF — malware analysis report

Static analysis result for SHA-256 5822ef0833e45153…

MALICIOUS

PDF

13.8 KB Created: 2019-05-04 14:32:34 +01:00 Authoring application: mPDF 5.7
MD5: 42f8d5c109aa64c67d56eaafe0f8d14e SHA-1: fe4abf811986aa7d369e2002f9ba5328fd06f241 SHA-256: 5822ef0833e451536f982654f9fae82dc100da6f437f814db123071d359f9c8c
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of embedded URLs pointing to external PDF files hosted on the dynamic DNS domain 'xiixmcuin.linkpc.net'. This is indicative of a link farm or SEO poisoning attack, designed to drive traffic to potentially malicious content or to manipulate search engine rankings. No scripts were extracted, and the document body primarily consists of these URLs and associated metadata.

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://xiixmcuin.linkpc.net/1201201205200202/Dumping-Princes-by-Tyne-O-39-Connell.pdf
    • http://xiixmcuin.linkpc.net/1201201204200203/Duelling-Princes-by-Tyne-O-39-Connell.pdf
    • http://xiixmcuin.linkpc.net/3205206206203202/Making-The-A-List-by-Tyne-O-39-Connell.pdf
    • http://xiixmcuin.linkpc.net/2202202200202206/A-Royal-Match-by-Tyne-O-39-Connell.pdf
    • http://xiixmcuin.linkpc.net/4209209209202205/Fairies-Princes-and-Fairy-Princes-by-A-R-Jarvis.pdf
    • http://xiixmcuin.linkpc.net/8202207206204204/Dumping-by-Ludovic-Delory.pdf
    • http://xiixmcuin.linkpc.net/3205205204204208/Dumping-Billy-by-Olivia-Goldsmith.pdf
    • http://xiixmcuin.linkpc.net/1201200202200201201/Guide-to-International-Anti-Dumping-Practice-by-Derk-Bienen.pdf
    • http://xiixmcuin.linkpc.net/1200206203205209204/Prisons-in-the-Americas-in-the-Twenty-First-Century-A-Human-Dumping-Ground-by-Jonathan-D-Rosen.pdf
    • http://xiixmcuin.linkpc.net/5200201200203208/May-Day-by-Bryl-R-Tyne.pdf
    • http://xiixmcuin.linkpc.net/4206200201201207/Alipio-by-Bryl-R-Tyne.pdf
    • http://xiixmcuin.linkpc.net/5200201200203205/Best-Unspoken-by-Bryl-R-Tyne.pdf
    • http://xiixmcuin.linkpc.net/4200208206201202/The-Queen-s-Snare-The-Tangle-Saga-1-by-Traci-Tyne-Hilton.pdf
    • http://xiixmcuin.linkpc.net/1200200208203200206/The-Ewers-Tyne-Collection-of-Worcester-Porcelain-at-Cheekwood-by-John-Sandon.pdf
    • http://xiixmcuin.linkpc.net/4200208206201204/Buyer-s-Remorse-Mitzy-Neuhaus-Mystery-3-by-Traci-Tyne-Hilton.pdf
    • http://xiixmcuin.linkpc.net/4200208206201203/Eminent-Domain-Mitzy-Neuhaus-Mysteries-2-by-Traci-Tyne-Hilton.pdf
    • http://xiixmcuin.linkpc.net/9208200206200/The-Resurrectionist-by-Jack-O-39-Connell.pdf
    • http://xiixmcuin.linkpc.net/8204203200207201/AND-SO-IT-IS-by-Eleanor-O-39-Connell-Decret.pdf
    • http://xiixmcuin.linkpc.net/8204203200207205/And-So-It-Is-by-Eleanor-O-39-Connell-Decret.pdf
    • http://xiixmcuin.linkpc.net/8204203200207200/AND-SO-IT-IS-by-Eleanor-O-39-Connell-Decret.pdf

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