Malicious PDF — malware analysis report

Static analysis result for SHA-256 241746efdeadd82a…

MALICIOUS

PDF

15.7 KB Created: 2019-05-03 06:27:00 +01:00 Authoring application: mPDF 5.7
MD5: ce8a0eb35afb18800c6c315df8b32b38 SHA-1: d89470ec8e1f8af5b54a3345fd1898eefd7d3dce SHA-256: 241746efdeadd82ac9ffb5c8b22119ed7bbb83ffd67dfc81c3ce7be8c53e3bbf
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, identified as a PDF SEO link farm. While the ML classifier flagged it as malicious, the specific URLs extracted were marked as confirmed benign. The primary attack pattern appears to be the creation of a link farm, potentially for SEO manipulation or to serve as a distribution point for other malicious content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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
    • http://muicuiu.dumb1.com/8a05a07a06a04a08/Les-assassins-sont-parmi-nous-Editions-1---Collection-Pierre-Bellemare-by-Pierre-Bellemare.pdf
    • http://muicuiu.dumb1.com/2a05a09a01a00a08/Deeper-The-Deeper-Chronicles-1-by-Allyn-Lesley.pdf
    • http://muicuiu.dumb1.com/2a08a00a02a02a08/Voice-Over-Seiyu-Academy-Vol-1-Voice-Over-1-by-Maki-Minami.pdf
    • http://muicuiu.dumb1.com/4a04a09a09a01a08/Her-Other-Voice-Her-Sister-s-Voice-2-by-Lesley-Cheetham.pdf
    • http://muicuiu.dumb1.com/1a00a03a00a07a04a06/Maxime-will-ein-Geschwister-by-Ka-Schmitz.pdf
    • http://muicuiu.dumb1.com/3a09a07a08a05a03/Muhammad-by-Maxime-Rodinson.pdf
    • http://muicuiu.dumb1.com/6a05a09a09a01a00/Une-rencontre-peu-ordinaire-by-Maxime-Desrochers.pdf
    • http://muicuiu.dumb1.com/6a03a03a03a06a07/Parce-que-c-est-ma-vie-Roman-Gay-by-Maxime-Desrochers.pdf
    • http://muicuiu.dumb1.com/6a02a05a04a05a08/Infortune-des-bien-nantis-by-Maxime-Houde.pdf
    • http://muicuiu.dumb1.com/5a06a07a08a07a04/Theophile-Gautier-1890-by-Maxime-Du-Camp.pdf
    • http://muicuiu.dumb1.com/5a02a04a08a08a04/Enlightenment-Les-lucioles-du-lointain-by-Maxime-Fulbert.pdf
    • http://muicuiu.dumb1.com/8a03a05a09a08a03/Confins-de-La-Memoire-Recit-by-Maxime-Cohen.pdf
    • http://muicuiu.dumb1.com/7a04a02a06a06a00/Errance-Nouvelle-courte-Gay-by-Maxime-Desrochers.pdf
    • http://muicuiu.dumb1.com/5a00a08a04a01a02/Marxism-and-the-Muslim-World-by-Maxime-Rodinson.pdf
    • http://muicuiu.dumb1.com/5a06a04a06a00a05/Une-belle-R-sistante--------------B-n-dicte-Nouvelles-by-Maxime-Lich.pdf
    • http://muicuiu.dumb1.com/6a04a02a04a00a07/80-Tips-to-Develop-Self-esteem-by-Anne-Guibert.pdf
    • http://muicuiu.dumb1.com/6a07a00a09a05a09/T-pffer-No-2-L-adulte-illustr-Cr-ateur-de-la-BD-by-Pierre-Maxime-Relave.pdf
    • http://muicuiu.dumb1.com/3a00a08a08a04a02/Controlled-by-His-Voice-5-Controlled-by-His-Voice-5-by-Skylar-Cross.pdf
    • http://muicuiu.dumb1.com/1a07a01a00a01a05/Her-Master-s-Voice-Her-Master-s-Voice-1-2-by-Vivien-Sparx.pdf
    • http://muicuiu.dumb1.com/1a09a07a05a00a07/You-Were-Born-Rich-Now-You-Can-Discover-and-Develop-Those-Riches-by-Bob-Proctor.pdf

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