Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c4d50fe83637a58…

MALICIOUS

PDF

14.3 KB Created: 2019-04-30 03:35:08 +01:00 Authoring application: mPDF 5.7
MD5: 3e24668609b72f3b35409a99e51f0b21 SHA-1: 3bcc2c676cd032fb47004ac6c4f344b930ef4f07 SHA-256: 3c4d50fe83637a58002da8fcf446bbd95b96c1c7100a6441fb59e0853abf82ae
60 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified as a 'PDF_SEO_LINK_FARM' heuristic. These links predominantly point to the domain 'xiixmcuin.linkpc.net' and appear to be designed to redirect users to various PDF documents. While the document body is heavily obfuscated, the presence of numerous external links suggests a social engineering tactic to drive traffic to potentially malicious or unwanted content. No scripts were extracted from this sample.

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.link
    • http://xiixmcuin.linkpc.net/2205207200202206/The-Lacuna-by-Barbara-Kingsolver.pdf
    • http://xiixmcuin.linkpc.net/1206209202208206/Animal-Dreams-by-Barbara-Kingsolver.pdf
    • http://xiixmcuin.linkpc.net/4204203209201204/Flight-Behaviour-by-Barbara-Kingsolver.pdf
    • http://xiixmcuin.linkpc.net/2202207209203209/Flight-Behavior-by-Barbara-Kingsolver.pdf
    • http://xiixmcuin.linkpc.net/1201200202203202206/The-Poisonwood-Bible-by-Barbara-Kingsolver.pdf
    • http://xiixmcuin.linkpc.net/1209204207201202/The-Poisonwood-Bible-by-Barbara-Kingsolver.pdf
    • http://xiixmcuin.linkpc.net/1207208204201205/Pigs-in-Heaven-by-Barbara-Kingsolver.pdf
    • http://xiixmcuin.linkpc.net/3203202208200/Animal-Dreams-by-Barbara-Kingsolver.pdf
    • http://xiixmcuin.linkpc.net/4207205200205206/Animal-Vegetable-Miracle-by-Barbara-Kingsolver.pdf
    • http://xiixmcuin.linkpc.net/7203201209203200/Les-Yeux-dans-les-arbres-by-Barbara-Kingsolver.pdf
    • http://xiixmcuin.linkpc.net/7203201209203202/Les-Cochons-au-paradis-Rivages-Poche-by-Barbara-Kingsolver.pdf
    • http://xiixmcuin.linkpc.net/2202206203202202/Animal-Vegetable-Miracle-A-Year-of-Food-Life-by-Barbara-Kingsolver.pdf
    • http://xiixmcuin.linkpc.net/1200203209208200/Barbara-Kingsolver-s-The-Poisonwood-Bible-A-Reader-s-Guide-by-Linda-Wagner-Martin.pdf
    • http://xiixmcuin.linkpc.net/2207204208200204/The-best-of-Barbara-Cartland-The-Proud-Princess-The-Magnificent-Marriage-The-Bored-Bridegroom-Kiss-the-Moonlight-The-Devil-in-Love-by-Barbara-Cartland.pdf
    • http://xiixmcuin.linkpc.net/4203202208208202/We-Are-All-Part-of-One-Another-A-Barbara-Deming-Reader-by-Barbara-Deming.pdf
    • http://xiixmcuin.linkpc.net/9209203206207/Reflections-of-Liberty-Memoir-by-Barbara-Post-Askin-by-Barbara-Post-Askin.pdf
    • http://xiixmcuin.linkpc.net/2205205201202209/Just-the-Way-You-Are-by-Barbara-Freethy.pdf
    • http://xiixmcuin.linkpc.net/1203203203204/Greetings-from-Nowhere-by-Barbara-O-39-Connor.pdf
    • http://xiixmcuin.linkpc.net/5200201206202202/Ran-Away-by-Barbara-Hambly.pdf
    • http://xiixmcuin.linkpc.net/8202203207/Before-and-Again-by-Barbara-Delinsky.pdf

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