Malicious PDF — malware analysis report

Static analysis result for SHA-256 676ab4ffa3b95a9a…

MALICIOUS

PDF

16.1 KB Created: 2020-03-18 21:13:46 +00:00 Authoring application: mPDF 5.7
MD5: f029c37bdbf3328655effae1810082fa SHA-1: e688bdaa231656a883e5f287337245b5a817ca10 SHA-256: 676ab4ffa3b95a9a5bbee4e27a85855aff321f30b32cd553b30fbbc3976f3dfd
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to a single domain, identified by the PDF_SEO_LINK_FARM heuristic. The ML_NYX_PDF_MALICIOUS classifier also flagged this file with high confidence. The document body, though heavily obfuscated, contains these URLs, suggesting the primary purpose is to redirect users to potentially malicious content hosted on easckaolp.myhome.cx.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9811

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://easckaolp.myhome.cx/1840847849848844840/Eskapaden-Der-achte-Fall-f-r-Bruno-Chef-de-police-Bruno-Chief-of-Police-8-by-Martin-Walker.pdf
    • http://easckaolp.myhome.cx/4846844840848841/Bruno-Chief-of-Police-Bruno-Chief-of-Police-1-by-Martin-Walker.pdf
    • http://easckaolp.myhome.cx/8845849845844842/Children-of-War-Bruno-Chief-of-Police-7-by-Martin-Walker.pdf
    • http://easckaolp.myhome.cx/1840840849840843846/-ern-d-mant-Bruno-Chief-of-Police-3-by-Martin-Walker.pdf
    • http://easckaolp.myhome.cx/3841845845846845/Black-Diamond-Bruno-Chief-of-Police-3-by-Martin-Walker.pdf
    • http://easckaolp.myhome.cx/2843848843841841/City-of-Light-City-of-Poison-Murder-Magic-and-the-First-Police-Chief-of-Paris-by-Holly-Tucker.pdf
    • http://easckaolp.myhome.cx/6844845842848/Warrior-Police-Rolling-with-America-s-Military-Police-in-the-World-s-Trouble-Spots-by-Gordon-Cucullu.pdf
    • http://easckaolp.myhome.cx/6847840843840848/Police-and-High-School-Girl-1-Police-and-High-School-Girl-1-by-Maki-Miyoshi.pdf
    • http://easckaolp.myhome.cx/5841846849843844/Boy-Man-Chief-by-Amy-Jarecki.pdf
    • http://easckaolp.myhome.cx/1842842840840844/Boy-Man-Chief-by-Amy-Jarecki.pdf
    • http://easckaolp.myhome.cx/8845849845848843/You-amp-The-Police-by-Boston-T-Party.pdf
    • http://easckaolp.myhome.cx/8845849845848847/The-Sleep-Police-by-Jay-Bonansinga.pdf
    • http://easckaolp.myhome.cx/5847843843847848/The-Possible-Police-by-Wylde-Scott.pdf
    • http://easckaolp.myhome.cx/8845849845847843/Police-by-Robert-W-Chambers.pdf
    • http://easckaolp.myhome.cx/8845849845844849/Police-Your-Planet-by-Lester-del-Rey.pdf
    • http://easckaolp.myhome.cx/8848849848845/Next-of-Kin-Portland-Police-Bureau-2-by-Jae.pdf
    • http://easckaolp.myhome.cx/2848842841842845/Fail-to-the-Chief-by-W-T-Fallon.pdf
    • http://easckaolp.myhome.cx/3844840849840/The-Ransom-of-Red-Chief-by-O-Henry.pdf
    • http://easckaolp.myhome.cx/8845849845848842/Police-Protector-by-Dani-Sinclair.pdf
    • http://easckaolp.myhome.cx/5843847845845844/Proactive-Police-Management-by-Thibault.pdf

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