Malicious PDF — malware analysis report

Static analysis result for SHA-256 745ebc3e05973e0e…

MALICIOUS

PDF

14.3 KB Created: 2019-05-02 01:42:32 +01:00 Authoring application: mPDF 5.7
MD5: 58e6e5b1a1d6c5dd8142fb856bb7a011 SHA-1: a27240e8c073e94ce5e37bb03b1834453912296a SHA-256: 745ebc3e05973e0e513937855bfec5474431425019d79048c08c1d321c77bcb2
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links pointing to external PDF files hosted on a dynamic DNS domain, a technique often used for SEO spam or to distribute malicious content. The ML classifier also flagged this document as malicious. While the specific intent is unclear, the pattern suggests an attempt to drive traffic or distribute further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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/3090091099091093/Going-to-the-Chapel-Apples-amp-Gin-1-by-J-J-Massa.pdf
    • http://loaminoo.linkpc.net/4095099095093094/The-White-Chapel-The-Chapel-Series-Book-2-by-Marilyn-Cruise.pdf
    • http://loaminoo.linkpc.net/3094098095098092/The-White-Chapel-Chapel-2-by-Marilyn-Cruise.pdf
    • http://loaminoo.linkpc.net/2095097093093094/Learning-Curve-by-J-J-Massa.pdf
    • http://loaminoo.linkpc.net/1099092096091095/The-Agency-Vanya-amp-Lance-by-J-J-Massa.pdf
    • http://loaminoo.linkpc.net/4090096090091091/Ice-Shadows-Occult-Assassin-2-5-by-William-Massa.pdf
    • http://loaminoo.linkpc.net/2094093094097097/The-Gaggle-How-the-Guys-You-Know-Will-Help-You-Find-the-Love-You-Want-by-Jessica-Massa.pdf
    • http://loaminoo.linkpc.net/4092095095090090/Spirit-Breaker-Occult-Assassin-3-by-William-Massa.pdf
    • http://loaminoo.linkpc.net/3097099095090097/Damnation-Code-Occult-Assassin-1-by-William-Massa.pdf
    • http://loaminoo.linkpc.net/4092095095090096/Apocalypse-Soldier-Occult-Assassin-2-by-William-Massa.pdf
    • http://loaminoo.linkpc.net/8093093096097098/Chapel-on-the-Moor-by-D-F-Dempster.pdf
    • http://loaminoo.linkpc.net/6097093093094092/The-Sistine-Chapel-by-Fabrizio-Mancinelli.pdf
    • http://loaminoo.linkpc.net/6093090093094093/The-Sincere-Chapel-by-Daisy-Kleebank.pdf
    • http://loaminoo.linkpc.net/4093091091093091/The-Secret-Chapel-God-s-Lions-1-by-John-Lyman.pdf
    • http://loaminoo.linkpc.net/2099098097093098/Mystery-at-the-Inn-Tales-from-Grace-Chapel-Inn-19-by-Carolyne-Aarsen.pdf
    • http://loaminoo.linkpc.net/6093095091095/The-Clover-Chapel-Jamison-Valley-2-by-Devney-Perry.pdf
    • http://loaminoo.linkpc.net/3092090095097090/The-Lady-Chapel-Owen-Archer-2-by-Candace-Robb.pdf
    • http://loaminoo.linkpc.net/3092095093095096/Hidden-History-Tales-From-Grace-Chapel-Inn-4-by-Melody-Carlson.pdf
    • http://loaminoo.linkpc.net/3099096095091096/The-Lady-Chapel-The-Owen-Archer-Series---Book-Two-by-Candace-Robb.pdf
    • http://loaminoo.linkpc.net/3092095093095097/Recipes-amp-Wooden-Spoons-Tales-from-Grace-Chapel-Inn-3-by-Judy-Baer.pdf

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