Malicious PDF — malware analysis report

Static analysis result for SHA-256 88420d1178a1b5e3…

MALICIOUS

PDF

24.5 KB Created: 2019-05-07 04:25:16 +01:00 Authoring application: mPDF 5.7
MD5: 51ff094ee9a41f738fe564a24346fd43 SHA-1: f75234337c369f926d4daacce67327b726a7d6ca SHA-256: 88420d1178a1b5e31ba5edbc771871c2f623e918e88d1fc3dcc47396d6bb249e
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF was flagged by a critical heuristic for containing a mass external link farm, with 29 links identified. The ML classifier also strongly indicated maliciousness. While the document body is heavily obfuscated, the presence of numerous external links, including the primary one listed, suggests a deceptive or manipulative purpose, potentially related to SEO abuse or hosting further malicious content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9901

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/7a05a01a01a09a00/Voltaire-10-Romane-u-a-Candide-Die-Prinzessin-von-Babylon-Mikromegas-Skarmentados-Reisen-Der-Wei-e-und-der-Schwarze-Wie-s-in-der-Welt-geht-Jeannot-Colin-Der-Hurone-Zadig-by-Voltaire.pdf
    • http://muicuiu.dumb1.com/6a08a02a07a08a08/Voltaire-s-Candide-and-the-Critics-by-Voltaire.pdf
    • http://muicuiu.dumb1.com/7a05a01a01a09a03/Works-of-Voltaire-20-works-Candide-Zadig-Philosophical-Dictionary-selected-poetry-amp-more-by-Voltaire.pdf
    • http://muicuiu.dumb1.com/6a08a02a06a03a07/Candide-and-Other-Works-by-Voltaire.pdf
    • http://muicuiu.dumb1.com/1a00a04a01a08a09a02/Candide-with-eBook-by-Voltaire.pdf
    • http://muicuiu.dumb1.com/8a03a04a07a01a05/Candide-The-best-of-all-possible-worlds-by-Voltaire.pdf
    • http://muicuiu.dumb1.com/3a01a04a06a06a05/Candide-and-Zadig-by-Voltaire.pdf
    • http://muicuiu.dumb1.com/9a01a02a03a05/Candide-or-Optimism-by-Voltaire.pdf
    • http://muicuiu.dumb1.com/6a08a02a08a03a03/Candide-Or-the-Optimist-And-Other-Romances-by-Voltaire.pdf
    • http://muicuiu.dumb1.com/1a00a04a06a01a06a00/Candide-oder-der-Optimismus-by---Voltaire.pdf
    • http://muicuiu.dumb1.com/6a01a09a04a02a09/Candide-and-Philosophical-Letters-by-Voltaire.pdf
    • http://muicuiu.dumb1.com/6a08a02a06a03a03/Voltaire-s-Adventures-Before-Candide-by-Martin-D-Gibbs.pdf
    • http://muicuiu.dumb1.com/7a05a01a01a08a07/Romances-Tales-and-Smaller-Pieces-of-M-de-Voltaire-Vol-1-of-2-Zadig-The-World-as-It-Goes-Micromegas-The-White-Bull-Travels-of-Scaramentado-How-Far-We-Ought-to-Impose-Upon-the-People-by-Voltaire.pdf
    • http://muicuiu.dumb1.com/7a05a01a01a03a08/Fiche-de-lecture-Zadig-de-Voltaire-by-Voltaire.pdf
    • http://muicuiu.dumb1.com/6a01a09a05a08a07/Memoirs-of-the-Life-of-Monsieur-de-Voltaire-by-Voltaire.pdf
    • http://muicuiu.dumb1.com/7a00a02a06a01a09/VOLTAIRE-S-TRAGEDIES-20-Plays-in-One-Volume-Merope-Caesar-Olympia-The-Orphan-of-China-Brutus-Amelia-Oedipus-Mariamne-Socrates-Zaire-Orestes-Nanine-The-Prude-The-Tatler-and-more-by-Voltaire.pdf
    • http://muicuiu.dumb1.com/7a07a09a08a05a06/A-Treatise-on-Toleration-The-Ignorant-Philosopher-And-a-Commentary-on-the-Marquis-of-Becaria-s-Treatise-on-Crimes-and-Punishments-Translated-from-the-Last-Geneva-Edition-of-Mr-de-Voltaire-by-the-REV-David-Williams-by-Voltaire.pdf
    • http://muicuiu.dumb1.com/6a01a09a04a08a01/Works-of-Voltaire-by-Voltaire.pdf
    • http://muicuiu.dumb1.com/6a08a02a06a03a04/Candide-by-CliffsNotes.pdf
    • http://muicuiu.dumb1.com/1a01a08a03a05a02a04/Candide-by-Michael-York.pdf
    • http://muicuiu.dumb1.com/6a08a02a06a03a07/Candide