Malicious PDF — malware analysis report

Static analysis result for SHA-256 396fab592b97f14d…

MALICIOUS

PDF

16.7 KB Created: 2019-04-30 17:25:41 +01:00 Authoring application: mPDF 5.7
MD5: 025f111d216fb39465d77c7b94949f3e SHA-1: 5fafc5d720deb29fd3de58668a886e50cdc0e29c SHA-256: 396fab592b97f14df8a37d5cd14146628e0c04140bce4fe36ef429fb4db0295c
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified as a link farm, which is a common tactic for SEO poisoning or driving traffic to malicious sites. The ML classifier also flagged this PDF as malicious with high confidence. The document body is heavily obfuscated but contains URLs that appear to be lures for Amazon Prime-related content, likely to entice clicks.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/1201204204202209200/Amazon-Prime-Learn-Everything-About-Amazon-Prime-A-Complete-Guide-by-Ivan-Peretti.pdf
    • http://xiixmcuin.linkpc.net/2205201202207206/Amazon-Seller-Central-Secrets-Use-Amazon-Profits-to-fire-your-boss-BYOB-1-by-Bruce-Walker.pdf
    • http://xiixmcuin.linkpc.net/6201200205200201/Prime-Claiming-The-Prime-Chronicles-3-5-by-Monette-Michaels.pdf
    • http://xiixmcuin.linkpc.net/3208200204209209/Kiljorn-Prime-Katieran-Prime-4-by-K-D-Jones.pdf
    • http://xiixmcuin.linkpc.net/3208200201201205/Prime-Salvation-Katieran-Prime-6-by-K-D-Jones.pdf
    • http://xiixmcuin.linkpc.net/4203207209204202/Walking-the-Jungle-An-Adventurer-s-Guide-to-the-Amazon-by-John-Coningham.pdf
    • http://xiixmcuin.linkpc.net/4207207208202203/Wonder-Woman-The-Ultimate-Guide-to-The-Amazon-Princess-by-Scott-Beatty.pdf
    • http://xiixmcuin.linkpc.net/7205208209201202/8-Different-Crochet-Stitches-Learn-to-Crochet-Something-New-with-Free-Crochet-Patterns-by-Prime-Publishing.pdf
    • http://xiixmcuin.linkpc.net/7200200200203208/101-Letters-to-a-Prime-Minister-The-Complete-Letters-to-Stephen-Harper-by-Yann-Martel.pdf
    • http://xiixmcuin.linkpc.net/9200201201209207/Kindle-Publishing-Guide-How-To-Rank-Your-Kindle-Book-1-On-Amazon-In-30-Days-Or-Less-by-Romy-Banciu.pdf
    • http://xiixmcuin.linkpc.net/3206205202203204/Prime-of-Life-by-P-D-Bekendam.pdf
    • http://xiixmcuin.linkpc.net/1201203202204201/Prime-Cut-by-Alan-Carter.pdf
    • http://xiixmcuin.linkpc.net/2207209203203202/Prime-of-Life-by-P-D-Bekendam.pdf
    • http://xiixmcuin.linkpc.net/4208204207207201/Redeeming-The-Amazon-by-L-V-Lewis.pdf
    • http://xiixmcuin.linkpc.net/2208207204207204/Titan-Prime-by-Mark-Alders.pdf
    • http://xiixmcuin.linkpc.net/4205206209203200/Victim-Prime-by-Robert-Sheckley.pdf
    • http://xiixmcuin.linkpc.net/9201205200202/In-Her-Prime-by-Carole-Nelson-Douglas.pdf
    • http://xiixmcuin.linkpc.net/4206204208206200/The-Prime-of-Life-by-Simone-de-Beauvoir.pdf
    • http://xiixmcuin.linkpc.net/2200205204202201/Prime-Deception-by-Carys-Jones.pdf
    • http://xiixmcuin.linkpc.net/1203208204209200/Dinner-Along-the-Amazon-by-Timothy-Findley.pdf

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