Malicious PDF — malware analysis report

Static analysis result for SHA-256 56e4d26909f42c11…

MALICIOUS

PDF

16.3 KB Created: 2020-03-18 21:37:44 +00:00 Authoring application: mPDF 5.7
MD5: ea223ad6d18da9d5ebf1d344b35ef3c9 SHA-1: 4e18dec490801f4d6310298c7c7b688d2f42518e SHA-256: 56e4d26909f42c116a5b10e9dd99e4c1e1a7cfc492ab8f103cf3133a9b28e23e
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to external websites, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample, and the document body was truncated, limiting further analysis of the specific lure.

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://calistazz.myhome.cx/3862865860865863/One-Wild-Night-by-Amelia-James.pdf
    • http://calistazz.myhome.cx/2860864862866860/To-the-Duke-with-Love-The-Rakes-of-St-James-2-by-Amelia-Grey.pdf
    • http://calistazz.myhome.cx/3867863861867864/Amelia-s-Most-Unforgettable-Embarrassing-Moments-Amelia-s-Notebooks-16-by-Marissa-Moss.pdf
    • http://calistazz.myhome.cx/9866869862866/Amelia-the-Venutons-and-the-Golden-Cage-Amelia-s-Amazing-Space-Adventures-2-by-Evonne-Blanchard.pdf
    • http://calistazz.myhome.cx/2864861868867866/Amelia-Writes-Again-Amelia-s-Notebooks-2-by-Marissa-Moss.pdf
    • http://calistazz.myhome.cx/3867863861865867/Luv-Amelia-Luv-Nadia-Amelia-s-Notebooks-6-by-Marissa-Moss.pdf
    • http://calistazz.myhome.cx/3864869864866860/Marriage-Made-in-Hope-by-Sophia-James.pdf
    • http://calistazz.myhome.cx/2862861866861862/That-Leviathan-Whom-Thou-Hast-Made-by-Eric-James-Stone.pdf
    • http://calistazz.myhome.cx/4866866867860860/Marriage-Made-in-Money-The-Penniless-Lords-1-by-Sophia-James.pdf
    • http://calistazz.myhome.cx/2867862869860/That-Leviathan-Whom-Thou-Hast-Made-by-Eric-James-Stone.pdf
    • http://calistazz.myhome.cx/2862867864865863/The-Witch-of-Hebron-World-Made-by-Hand-2-by-James-Howard-Kunstler.pdf
    • http://calistazz.myhome.cx/1861860869864869868/Devil-in-the-Detail-by-Ed-James.pdf
    • http://calistazz.myhome.cx/9862864864861/Her-Twisted-Pleasures-The-Twisted-Mosaic-1-by-Amelia-James.pdf
    • http://calistazz.myhome.cx/3860866865864867/The-Devil-s-Advocate-by-Vanessa-James.pdf
    • http://calistazz.myhome.cx/3868862865863864/The-Devil-Finds-Work-by-James-Baldwin.pdf
    • http://calistazz.myhome.cx/4868861867862/Ultimatum-The-Devil-s-Kiss-1-1-by-Gemma-James.pdf
    • http://calistazz.myhome.cx/4860864868860869/In-Bed-With-the-Devil-Scoundrels-of-St-James-1-by-Lorraine-Heath.pdf
    • http://calistazz.myhome.cx/3863865864868862/Devil-May-Care-James-Bond-36-by-Sebastian-Faulks.pdf
    • http://calistazz.myhome.cx/3862866866860866/The-Devil-Eats-Coleslaw-Diamonds-5-by-James-Eddy.pdf
    • http://calistazz.myhome.cx/3867864863862869/Devil-May-Care-Crag-Banyon-2-by-James-Mullaney.pdf
    • http://calistazz.myhome.cx/2867862869860/That-Leviathan-Whom-Thou-Hast-Mad

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