Malicious PDF — malware analysis report

Static analysis result for SHA-256 57edaba80d1cd59a…

MALICIOUS

PDF

16.1 KB Created: 2019-04-30 05:07:59 +01:00 Authoring application: mPDF 5.7
MD5: bb382bc3faa5c18781964c77ecab2642 SHA-1: fa21827ddab60681c057d3dc1ee72c449e22e16f SHA-256: 57edaba80d1cd59a63eca773abcd00af501d939c134ac95ec96b2b8a269644a4
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged by a machine learning classifier as malicious. Static analysis revealed a large number of external links embedded within the document, pointing to a domain that appears to be hosting a link farm of PDF documents. This suggests a social engineering tactic to direct users to potentially malicious content or phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

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/9a03a07a04a06a04/Kant-s-Critique-of-Pure-Reason-by-Otfried-Hoffe.pdf
    • http://muicuiu.dumb1.com/9a03a07a02a09a08/Kant-s-Critique-of-Pure-Reason-The-Foundation-of-Modern-Philosophy-by-Otfried-H-ffe.pdf
    • http://muicuiu.dumb1.com/6a04a00a05a01a01/Religion-within-the-Limits-of-Reason-Alone-by-Immanuel-Kant.pdf
    • http://muicuiu.dumb1.com/6a04a00a06a07a08/The-Immanuel-Kant-Collection-8-Classic-Works-by-Immanuel-Kant.pdf
    • http://muicuiu.dumb1.com/6a04a00a07a07a08/Selections-by-Immanuel-Kant.pdf
    • http://muicuiu.dumb1.com/6a04a00a06a08a01/On-History-by-Immanuel-Kant.pdf
    • http://muicuiu.dumb1.com/6a04a00a05a09a05/Immanuel-Kant-by-A-J-Mandt.pdf
    • http://muicuiu.dumb1.com/6a04a00a07a00a05/Opus-Postumum-by-Immanuel-Kant.pdf
    • http://muicuiu.dumb1.com/4a04a05a01a08/Groundwork-of-the-Metaphysics-of-Morals-by-Immanuel-Kant.pdf
    • http://muicuiu.dumb1.com/4a01a01a09a08a00/Groundwork-of-the-Metaphysics-of-Morals-by-Immanuel-Kant.pdf
    • http://muicuiu.dumb1.com/6a04a00a05a01a02/Perpetual-Peace-and-Other-Essays-by-Immanuel-Kant.pdf
    • http://muicuiu.dumb1.com/2a09a02a06a07a07/The-Metaphysical-Elements-of-Ethics-by-Immanuel-Kant.pdf
    • http://muicuiu.dumb1.com/1a01a00a06a05a00/Prolegomena-to-Any-Future-Metaphysics-by-Immanuel-Kant.pdf
    • http://muicuiu.dumb1.com/5a07a01a00a03a03/Groundwork-for-the-Metaphysics-of-Morals-by-Immanuel-Kant.pdf
    • http://muicuiu.dumb1.com/6a04a00a05a09a06/Anthropology-from-a-Pragmatic-Point-of-View-by-Immanuel-Kant.pdf
    • http://muicuiu.dumb1.com/6a04a00a07a00a09/Feminist-Interpretations-of-Immanuel-Kant-by-Robin-May-Schott.pdf
    • http://muicuiu.dumb1.com/4a04a08a05a07a03/Universal-Natural-History-and-Theory-of-the-Heavens-by-Immanuel-Kant.pdf
    • http://muicuiu.dumb1.com/6a04a00a07a07a07/Grounding-for-the-Metaphysics-of-Morals-Metaphysical-Principles-of-Virtue-by-Immanuel-Kant.pdf
    • http://muicuiu.dumb1.com/1a00a06a01a02a02a04/Erste-Einleitung-in-die-Kritik-der-Urteilskraft-Philosophische-Bibliothek-39b-by-Immanuel-Kant.pdf
    • http://muicuiu.dumb1.com/4a01a01a08a03a07/Critique-of-Dialectical-Reason-Vols-1-and-2-by-Jean-Paul-Sartre.pdf
    • http://muicuiu.dumb1.com/6a04a00a05a01a02/Perpetual-Peace-and-

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