Malicious PDF — malware analysis report

Static analysis result for SHA-256 3243ff355b5b3ed0…

MALICIOUS

PDF

21.2 KB Created: 2019-05-07 04:21:36 +01:00 Authoring application: mPDF 5.7
MD5: 6e5fb36cce82004dd587a5167bcddd14 SHA-1: 884eb2ef2870b27687ea11193927739b7bddcc06 SHA-256: 3243ff355b5b3ed09ee27ab0925c8db05785f10b52ede2f80f7f307900d023a7
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded links to external PDFs hosted on the domain 'muicuiu.dumb1.com'. This domain and the structure of the links suggest a link farm or SEO poisoning attempt, likely intended to direct users to malicious content or phishing pages. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9919

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://muicuiu.dumb1.com/2a09a02a07a00a09/Mary-amp-The-Wrongs-of-Woman-2-in-1-by-Mary-Wollstonecraft.pdf
    • http://muicuiu.dumb1.com/4a04a09a09a00a01/Maria-or-The-Wrongs-of-Woman-by-Mary-Wollstonecraft.pdf
    • http://muicuiu.dumb1.com/1a07a05a08a02a06/Maria-Or-The-Wrongs-Of-Woman-by-Mary-Wollstonecraft.pdf
    • http://muicuiu.dumb1.com/6a01a04a07a05a09/A-Vindication-of-the-Rights-of-Woman-amp-The-Wrongs-of-Woman-or-Maria-2-in-1-by-Mary-Wollstonecraft.pdf
    • http://muicuiu.dumb1.com/4a05a00a04a05a07/Mary-and-Maria-by-Mary-Wollstonecraft-amp-Matilda-by-Mary-Shelley-by-Mary-Wollstonecraft.pdf
    • http://muicuiu.dumb1.com/1a08a09a04a00a09/A-Vindication-of-the-Rights-of-Woman-by-Mary-Wollstonecraft.pdf
    • http://muicuiu.dumb1.com/6a00a07a07a08a03/A-Vindication-of-the-Rights-of-Woman-by-Mary-Wollstonecraft.pdf
    • http://muicuiu.dumb1.com/6a01a04a08a08/A-Vindication-of-the-Rights-of-Woman-by-Mary-Wollstonecraft.pdf
    • http://muicuiu.dumb1.com/1a01a00a02a07a07a03/A-Vindication-of-the-Rights-of-Woman-by-Mary-Wollstonecraft.pdf
    • http://muicuiu.dumb1.com/6a01a04a09a05a08/Vindication-of-the-Rights-of-Woman---Mary-Wollstonecraft-by-Wendy-McElroy.pdf
    • http://muicuiu.dumb1.com/6a01a04a06a09a01/A-Vindication-of-the-Rights-of-Woman-with-Strictures-on-Political-and-Moral-Subjects-by-Mary-Wollstonecraft.pdf
    • http://muicuiu.dumb1.com/8a02a05a09a07a01/A-Vindication-of-the-Rights-of-Woman-Declaration-of-Female-Independence-in-1792-by-Mary-Wollstonecraft.pdf
    • http://muicuiu.dumb1.com/5a04a00a00a02a01/Frankenstein-By-Mary-Wollstonecraft-Shelley-Illustrated-by-Mary-Wollstonecraft-Shelley.pdf
    • http://muicuiu.dumb1.com/6a01a04a06a05a02/Mathilda-By-Mary-Wollstonecraft-Shelley---Illustrated-by-Mary-Wollstonecraft-Shelley.pdf
    • http://muicuiu.dumb1.com/4a05a01a02a06a00/The-Mortal-Immortal-The-Complete-Supernatural-Short-Fiction-of-Mary-Shelley-by-Mary-Wollstonecraft-Shelley.pdf
    • http://muicuiu.dumb1.com/6a01a04a06a08a02/The-Mortal-Immortal-The-Complete-Supernatural-Short-Fiction-of-Mary-Shelley-by-Mary-Wollstonecraft-Shelley.pdf
    • http://muicuiu.dumb1.com/6a01a04a09a05a07/The-Letters-Of-Mary-Wollstonecraft-Shelley-by-Mary-Wollstonecraft-Shelley.pdf
    • http://muicuiu.dumb1.com/9a07a04a01a09a02/A-Valiant-Woman-The-Life-of-Mother-Mary-Bruno-Thoma-by-Mary-Mechtilde-Wuest.pdf
    • http://muicuiu.dumb1.com/6a01a04a08a08a06/The-Complete-Works-of-Mary-Shelley-by-Mary-Wollstonecraft-Shelley.pdf
    • http://muicuiu.dumb1.com/8a04a09a00a09a00/Frankenstein-Mary-Shelley-The-Modern-Prometheus-Frankenstein-s-Monster-by-Mary-Wollstonecraft-Shelley.pdf
    • http://muicuiu.dumb1.com/6a01a04a08a08/A-Vindication-of-the-Rights-of-Woman-by-Mary

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