Malicious PDF — malware analysis report

Static analysis result for SHA-256 baafde58a5533a46…

MALICIOUS

PDF

15.3 KB Created: 2020-03-18 21:36:42 +00:00 Authoring application: mPDF 5.7
MD5: 05c865799e1dc02972b6bfd42ccf60dd SHA-1: 44413ba4a3c54070d95ca1daffadedf09b1042d9 SHA-256: baafde58a5533a4691be767a389574c8edef91c26ccca954c9b3506fca9393ce
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded URLs, identified as a link farm, all pointing to the same domain 'calistazz.myhome.cx'. This suggests a tactic to distribute malicious content or lure users to a compromised site. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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://calistazz.myhome.cx/1867868862866868/A-Veiled-Deception-A-Vintage-Magic-Mystery-1-by-Annette-Blair.pdf
    • http://calistazz.myhome.cx/1867868862868869/Cloaked-in-Malice-A-Vintage-Magic-Mystery-5-by-Annette-Blair.pdf
    • http://calistazz.myhome.cx/3866865863867863/Thee-I-Love-by-Annette-Blair.pdf
    • http://calistazz.myhome.cx/4861867864861862/A-Winter-Heart-by-Annette-Blair.pdf
    • http://calistazz.myhome.cx/3861866866860863/Sea-Scoundrel-Knave-of-Hearts-1-by-Annette-Blair.pdf
    • http://calistazz.myhome.cx/4861867865868860/Captive-Scoundrel-Knave-of-Hearts-2-by-Annette-Blair.pdf
    • http://calistazz.myhome.cx/4867868865862863/Untamable-Rogue-Rogues-Club-4-by-Annette-Blair.pdf
    • http://calistazz.myhome.cx/1866869862865865/Sex-and-the-Psychic-Witch-Triplet-Witch-Trilogy-1-by-Annette-Blair.pdf
    • http://calistazz.myhome.cx/1862863866862869/Veiled-Seduction-Veiled-2-by-Alisha-Rai.pdf
    • http://calistazz.myhome.cx/9863868862863863/If-You-ve-Got-It-Haunt-It-A-Haunted-Vintage-Mystery-1-by-Rose-Pressey.pdf
    • http://calistazz.myhome.cx/4869861867865861/The-Villa-in-Italy-A-Vintage-Mystery-by-Elizabeth-Edmondson.pdf
    • http://calistazz.myhome.cx/6863863865865865/Murder-on-the-Toy-Town-Express-Vintage-Toyshop-Mystery-2-by-Barbara-Early.pdf
    • http://calistazz.myhome.cx/1866863866865861/Lethal-Vintage-A-Sunny-McCoskey-Napa-Valley-Mystery-4-by-Nadia-Gordon.pdf
    • http://calistazz.myhome.cx/1861867866867867868/Witch-in-Training-A-Blair-Wilkes-Mystery-Book-2-by-Elle-Adams.pdf
    • http://calistazz.myhome.cx/8860864869867862/Barbapapa-Mystery-at-the-Amusement-Park-by-Annette-Tison.pdf
    • http://calistazz.myhome.cx/1862861866864868/Veiled-Veiled-1-by-S-B-Niccum.pdf
    • http://calistazz.myhome.cx/1861864869862861866/See-Also-Deception-Marjorie-Trumaine-Mystery-2-by-Larry-D-Sweazy.pdf
    • http://calistazz.myhome.cx/2866860868868864/Our-Lady-of-Immaculate-Deception-Roxy-Abruzzo-Mystery-1-by-Nancy-Martin.pdf
    • http://calistazz.myhome.cx/3863860864866861/Deception-on-Sable-Hill-Chicago-World-s-Fair-Mystery-2-by-Shelley-Gray.pdf
    • http://calistazz.myhome.cx/3865865867863860/Deception-on-Sable-Hill-Chicago-World-s-Fair-Mystery-2-by-Shelley-Gray.pdf
    • http://calistazz.myhome.cx/6863863865865865/Murder-on-the-Toy-Town

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