Malicious PDF — malware analysis report

Static analysis result for SHA-256 a16f25455c6b85fc…

MALICIOUS

PDF

21.5 KB Created: 2019-04-30 01:59:51 +01:00 Authoring application: mPDF 5.7
MD5: ab910f1e4605bd0b87b8ff81afaef5da SHA-1: 728f987f11650f74d863dfef45bda757bdb5aa45 SHA-256: a16f25455c6b85fccd06b96a3fff55990b76ec847a48faf851a0764441827d60
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded links to external PDF documents, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier strongly indicated maliciousness. While no scripts were extracted, the PDF structure and embedded URLs suggest a content-driven attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/2a05a05a00a00a09/The-Farther-Reaches-of-Human-Nature-Esalen-Book-by-Abraham-H-Maslow.pdf
    • http://muicuiu.dumb1.com/3a07a08a07a00a00/Hierarchy-of-Needs-A-Theory-of-Human-Motivation-by-Abraham-H-Maslow.pdf
    • http://muicuiu.dumb1.com/7a03a08a09a01a04/Dominance-Self-esteem-Self-actualization-Germinal-Papers-of-A-H-Maslow-by-Abraham-H-Maslow.pdf
    • http://muicuiu.dumb1.com/3a07a07a05a05a05/Motivation-and-Personality-by-Abraham-H-Maslow.pdf
    • http://muicuiu.dumb1.com/2a00a00a04a00a00/Picturing-the-Book-of-Nature-Image-Text-and-Argument-in-Sixteenth-Century-Human-Anatomy-and-Medical-Botany-by-Sachiko-Kusukawa.pdf
    • http://muicuiu.dumb1.com/7a03a01a06a01a07/Varieties-of-Religious-Experience-A-Study-of-Human-Nature-Human-Immortality-Two-Supposed-Objections-to-the-Doctrine-by-William-James.pdf
    • http://muicuiu.dumb1.com/1a01a08a01a08a09a07/The-Book-of-the-Sacred-Magic-of-Abra-Melin-the-Mage-As-Delivered-by-Abraham-the-Jew-Unto-His-Son-Lamech--A-D-458-by-Abraham-von-Worms.pdf
    • http://muicuiu.dumb1.com/8a01a02a09a04a04/An-Enquiry-Concerning-Human-Understanding-With-Hume-s-Abstract-of-a-Treatise-of-Human-Nature-and-a-Letter-from-a-Gentleman-to-His-Friend-in-Edinburgh-by-David-Hume.pdf
    • http://muicuiu.dumb1.com/9a00a07a04a06/Misborn-of-the-Snowy-Reaches-Sirenhawk-Book-1-by-L-E-Parr.pdf
    • http://muicuiu.dumb1.com/8a08a07a05a07a02/The-Kingdoms-and-the-Elves-of-the-Reaches-II-Keeper-Martin-s-Tales-Book-2-by-Robert-Stanek.pdf
    • http://muicuiu.dumb1.com/1a01a00a08a07a09a00/On-Human-Nature-by-Arthur-Schopenhauer.pdf
    • http://muicuiu.dumb1.com/1a01a08a01a08a01a06/Human-Nature-and-Conduct-by-John-Dewey.pdf
    • http://muicuiu.dumb1.com/8a08a08a00a05/Understanding-Human-Nature-by-Alfred-Adler.pdf
    • http://muicuiu.dumb1.com/1a00a02a00a07a04a02/The-Future-of-Human-Nature-by-J-rgen-Habermas.pdf
    • http://muicuiu.dumb1.com/1a06a07a08a03a09/Human-Nature-Pax-Britannia-3-by-Jonathan-Green.pdf
    • http://muicuiu.dumb1.com/4a09a09a08a06a02/Human-All-Too-Human-A-Book-for-Free-Spirits-by-Friedrich-Nietzsche.pdf
    • http://muicuiu.dumb1.com/8a03a08a04a04a02/Human-Nature-in-Utopia-Zamyatin-s-We-by-Brett-Cooke.pdf
    • http://muicuiu.dumb1.com/5a01a03a04a09a02/The-Cultural-Nature-of-Human-Development-by-Barbara-Rogoff.pdf
    • http://muicuiu.dumb1.com/2a05a06a07a07a03/Feminist-Politics-And-Human-Nature-by-Alison-M-Jaggar.pdf
    • http://muicuiu.dumb1.com/4a03a05a05a08/The-Red-Queen-Sex-and-the-Evolution-of-Human-Nature-by-Matt-Ridley.pdf
    • http://muicuiu.dumb1.com/7a03a01a06a01a07/Varieties-of-Religio

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