Malicious PDF — malware analysis report

Static analysis result for SHA-256 5db92f3a48f927c8…

MALICIOUS

PDF

32.9 KB Created: 2019-11-23 20:10:15 +03:00 Authoring application: FrameMaker 9.0 (via Acrobat Distiller 9.4.5 (Windows))
MD5: b8261f47f9d568ef7772d19a2d1fac17 SHA-1: d7e4234e37de46a4bb1bed10335141a4307e8e37 SHA-256: 5db92f3a48f927c89e411006d8bc84ba241fd646dffc37e7adfcf33ac0c708b1
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a significant number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML_NYX_PDF_MALICIOUS classifier also flagged the document with high confidence. The primary purpose appears to be the distribution of these links, potentially for SEO manipulation or to lead users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8313

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://www.gorillawalker.com/impostor-a-variants-novel.pdf
    • http://www.gorillawalker.com/waking-the-buddha-how-the-most-dynamic-and-empowering-buddhist.pdf
    • http://www.gorillawalker.com/gandhi-kindle-edition.pdf
    • http://www.gorillawalker.com/races-of-faerun-dungeons-dragons-d20-3-0-fantasy-roleplaying.pdf
    • http://www.gorillawalker.com/aviation-firsts-336-questions-and-answers-dover-transportation.pdf
    • http://www.gorillawalker.com/coffee-cherry-cocoa-pod-the-coffee-addicts-and-chocoholics-handbook.pdf
    • http://www.gorillawalker.com/larousse-picture-dictionary-english-spanish-spanish-english-w-audio-cd.pdf
    • http://www.gorillawalker.com/adventuring-to-manhood.pdf
    • http://www.gorillawalker.com/flying-for-france-with-the-american-escadrille-at-verdun-dawn.pdf
    • http://www.gorillawalker.com/the-art-of-case-taking.pdf
    • http://www.gorillawalker.com/humboldt-s-gift.pdf
    • http://www.gorillawalker.com/george-washington-a-biography-southern-biography.pdf
    • http://www.gorillawalker.com/electroncs-and-phonons-the-theory-of-transport-phenomena-in-solids.pdf
    • http://www.gorillawalker.com/the-helmsleys-the-rise-and-fall-of-harry-and-leona.pdf
    • http://www.gorillawalker.com/acting-for-animators.pdf
    • http://www.gorillawalker.com/differential-geometry-from-singularity-theory-viewpoint.pdf
    • http://www.gorillawalker.com/biology-for-christian-schools-volumes-a-b.pdf
    • http://www.gorillawalker.com/music-for-two-volume-2-for-flute-or-oboe-or.pdf
    • http://www.gorillawalker.com/radio-programming-tactics-and-strategy-broadcasting-cable-series.pdf
    • http://www.gorillawalker.com/it-s-time-to-learn-about-time-book-with-online.pdf
    • http://www.gorillawalker.com/adolf-loos-architecture-1903-1932-splendor-series.pdf
    • http://www.gorillawalker.com/romeo-and-juliet-shogakukan-manga-learning-world-masterpiece-building-2013.pdf
    • http://www.gorillawalker.com/drawing-inspiration-visual-artists-at-work.pdf
    • http://www.gorillawalker.com/weatherby-the-man-the-gun-the-legend.pdf
    • http://www.gorillawalker.com/simulation-using-promodel-with-cd-rom.pdf
    • http://www.gorillawalker.com/surviving-infidelity-making-decisions-recovering-from-the-pain-3rd-edition.pdf
    • http://www.gorillawalker.com/prayers-of-life.pdf
    • http://www.gorillawalker.com/before-they-read-teaching-language-and-literacy-development-through-conversations.pdf
    • http://www.gorillawalker.com/exploring-splunk-spl-korean-edition.pdf
    • http://www.gorillawalker.com/story-grammar-for-elementary-school-a-sentence-composing-approach-a.pdf
    • http://www.gorillawalker.com/the-love-wife.pdf
    • http://www.gorillawalker.com/strange-music.pdf
    • http://www.gorillawalker.com/introduction-to-tantra-the-transformation-of-desire.pdf
    • http://www.gorillawalker.com/north-true-south-bright.pdf
    • http://www.gorillawalker.com/sonya-s-chickens.pdf
    • http://www.gorillawalker.com/the-count-of-monte-cristo-volume-i-of-v.pdf
    • http://www.gorillawalker.com/paleo-diet-made-easy-basic-paleo-diet-facts-for-beginners.pdf
    • http://www.gorillawalker.com/without-bounds-a-scientific-canvas-of-nonlinearity-and-complex-dynamics.pdf
    • http://www.gorillawalker.com/escritores-delincuentes-hispanica-spanish-edition.pdf
    • http://www.gorillawalker.com/an-impatient-life-a-memoir-kindle-edition.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://www.aiim.org/pdfa/ns/extension/
    • http://www.aiim.org/pdfa/ns/schema#
    • http://www.aiim.org/pdfa/ns/property#
    • http://www.aiim.org/pdfa/ns/id/

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