Malicious PDF — malware analysis report

Static analysis result for SHA-256 0581043237d7708a…

MALICIOUS

PDF

20.1 KB Created: 2019-11-09 23:52:33 +00:00 Authoring application: mPDF 5.7
MD5: 6fd557743e2160d2c98f277131e11d54 SHA-1: 38d075202864ddd82385bce36b6d384cc7f7c745 SHA-256: 0581043237d7708a0a5639a620a7d011dd39d45d096d316e89895b6d16acc577
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded external links, identified as a link farm. While the URLs themselves are currently marked as benign, the sheer volume and structure suggest a malicious intent, possibly for SEO manipulation or to redirect users to malicious content. No scripts were extracted, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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://cefasfese.4pu.com/1733737730737732/Enemy-at-the-Gates-The-Battle-for-Stalingrad-by-William-Craig.pdf
    • http://cefasfese.4pu.com/1730732730736736736/Krieg-der-Ratten-Duell-in-Stalingrad-Enemy-at-the-gates-by-David-L-Robbins.pdf
    • http://cefasfese.4pu.com/1730738734731732737/To-the-Gates-of-Stalingrad-Soviet-German-Combat-Operations-April-August-1942-by-David-M-Glantz.pdf
    • http://cefasfese.4pu.com/4730733730735738/Notes-of-a-Russian-Sniper-Vassili-Zaitsev-and-the-Battle-of-Stalingrad-by-Vasili-Zaitsev.pdf
    • http://cefasfese.4pu.com/6735730731733736/Notes-of-a-Russian-Sniper-Vassili-Zaitsev-and-the-Battle-of-Stalingrad-by-Vassili-Zaitsev.pdf
    • http://cefasfese.4pu.com/2735736739735734/The-Most-Dangerous-Enemy-The-Definitive-History-of-the-Battle-of-Britain-by-Stephen-Bungay.pdf
    • http://cefasfese.4pu.com/6735732733732733/The-Battle-of-Antigua-Book-12-The-Face-of-the-Enemy-Series-by-Glyn-Adams.pdf
    • http://cefasfese.4pu.com/5739730739739/Reasonable-Faith-by-William-Lane-Craig.pdf
    • http://cefasfese.4pu.com/6739731730736738/Broken-Gates-The-P-J-Stone-Gates-Trilogy-2-by-D-T-Dyllin.pdf
    • http://cefasfese.4pu.com/6739731731730734/Open-Gates-The-P-J-Stone-Gates-Trilogy-3-by-D-T-Dyllin.pdf
    • http://cefasfese.4pu.com/6739730739737733/Hidden-Gates-The-P-J-Stone-Gates-Trilogy-1-by-D-T-Dyllin.pdf
    • http://cefasfese.4pu.com/2735735734736738/The-Battle-of-New-Market-by-William-C-Davis.pdf
    • http://cefasfese.4pu.com/2735733739732739/The-History-of-Pendennis-His-Fortunes-and-Misfortunes-His-Friends-and-His-Greatest-Enemy-by-William-Makepeace-Thackeray.pdf
    • http://cefasfese.4pu.com/4732739739735738/The-Final-Battle-Legion-2-by-William-C-Dietz.pdf
    • http://cefasfese.4pu.com/5731738736738734/From-Ally-to-Enemy-The-Enigma-of-Fascist-Italy-in-French-Diplomacy-1920-1940-by-William-I-Shorrock.pdf
    • http://cefasfese.4pu.com/3737733735733732/Tom-Gates-A-tiny-bit-Lucky-Tom-Gates-7-by-Liz-Pichon.pdf
    • http://cefasfese.4pu.com/4735730734731731/Hard-Questions-Real-Answers-by-William-Lane-Craig.pdf
    • http://cefasfese.4pu.com/1731732736732735/Return-of-a-King-The-Battle-for-Afghanistan-by-William-Dalrymple.pdf
    • http://cefasfese.4pu.com/4736731733730/Nicholas-St-North-and-the-Battle-of-the-Nightmare-King-The-Guardians-1-by-William-Joyce.pdf
    • http://cefasfese.4pu.com/2735735732733730/Battle-at-Bull-Run-A-History-of-the-First-Major-Campaign-of-the-Civil-War-by-William-C-Davis.pdf

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