Malicious PDF — malware analysis report

Static analysis result for SHA-256 081de300ca9a9549…

MALICIOUS

PDF

32.8 KB Created: 2019-11-10 05:17:12 +03:00 Authoring application: ZonBook XSL Stylesheets with Apache FOP (via Apache FOP Version 2.1)
MD5: ae093f822f4e9d836b1511dcb8310fa9 SHA-1: 86645a6ce911f9c15ebd29dd294f9467ba33c5ab SHA-256: 081de300ca9a9549d781fc3d19e8194f80c6b21b1b7418f1eea43ac06054a209
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, as indicated by the 'PDF_SEO_LINK_FARM' heuristic. The ML classifier also flagged the document as malicious. While no scripts were extracted, the sheer volume of links suggests an attempt to manipulate search engine rankings or distribute potentially malicious content hosted on the 'gorillawalker.com' domain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8529

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/authority-in-three-worlds.pdf
    • http://www.gorillawalker.com/handbook-of-textile-and-industrial-dyeing-volume-2-applications-of.pdf
    • http://www.gorillawalker.com/boho-fashion-what-s-your-style.pdf
    • http://www.gorillawalker.com/the-analects-oxford-world-s-classics.pdf
    • http://www.gorillawalker.com/practical-pharmaceutical-laboratory-automation.pdf
    • http://www.gorillawalker.com/betrayed-house-of-night-book-2.pdf
    • http://www.gorillawalker.com/antoine-arnauld-and-pierre-nicole-logic-or-the-art-of.pdf
    • http://www.gorillawalker.com/archaea-a-laboratory-manual-halophiles.pdf
    • http://www.gorillawalker.com/straight-flush.pdf
    • http://www.gorillawalker.com/conceptual-physical-science-practice-book-and-new-masteringphysics-with-pearson.pdf
    • http://www.gorillawalker.com/epidemiology-of-electromagnetic-fields-biological-effects-of-electromagnetics.pdf
    • http://www.gorillawalker.com/mistress-against-her-will-harlequin-comics.pdf
    • http://www.gorillawalker.com/scourge-of-the-howling-horde-dungeons-dragons-d20-3-5.pdf
    • http://www.gorillawalker.com/project-scheduling-and-management-for-construction.pdf
    • http://www.gorillawalker.com/sweet-kids-how-to-balance-diabetes-control-and-good-nutrition.pdf
    • http://www.gorillawalker.com/tough-trip-through-paradise-1878-1879.pdf
    • http://www.gorillawalker.com/faune-du-cameroun-le-genre-aphyosemion-myers-v-2-fauna.pdf
    • http://www.gorillawalker.com/o-menino-e-a-liberdade-portuguese-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/the-true-story-of-ah-q-bilingual-series-on-modern.pdf
    • http://www.gorillawalker.com/yellow-rose-greatest-hits-time-tested-and-well-loved-recipes.pdf
    • http://www.gorillawalker.com/marked-race-crime-and-finding-work-in-an-era-of.pdf
    • http://www.gorillawalker.com/ingl-s-b-sico-una-introducci-n-pr-ctica-en.pdf
    • http://www.gorillawalker.com/schaum-s-outline-of-basic-mathematics-with-applications-to-science.pdf
    • http://www.gorillawalker.com/forbidden-steps-taboo-teen-woman-older-man-short-story-kindle.pdf
    • http://www.gorillawalker.com/main-course-sandwiches.pdf
    • http://www.gorillawalker.com/mechanics-of-non-newtonian-fluids.pdf
    • http://www.gorillawalker.com/doing-research-methods-of-inquiry-for-conflict-analysis.pdf
    • http://www.gorillawalker.com/erika-a-member-of-the-forgotten-people.pdf
    • http://www.gorillawalker.com/concerto-bwv1044-a-minor-violin-flute-harpsichord-study-score-edition.pdf
    • http://www.gorillawalker.com/macarthur-competence-assessment-tool-for-treatment-maccat-t.pdf
    • http://www.gorillawalker.com/washington-in-maps.pdf
    • http://www.gorillawalker.com/hoops.pdf
    • http://www.gorillawalker.com/chain-of-fire.pdf
    • http://www.gorillawalker.com/from-freud-to-jung-a-comparative-study-of-the-psychology.pdf
    • http://www.gorillawalker.com/double-take-unequal-taxation-of-equals-vandeplas-publishing-tax-law.pdf
    • http://www.gorillawalker.com/movies-on-tv-and-videocassette-1993-1994.pdf
    • http://www.gorillawalker.com/algerbra-and-trigonometry-with-analytic-geometry-13th-edition-swokowski-and.pdf
    • http://www.gorillawalker.com/i-want-a-teaching-job-guide-to-getting-the-teaching.pdf
    • http://www.gorillawalker.com/aunt-barb-s-bread-book.pdf
    • http://www.gorillawalker.com/amazon-rainforest-includes-press-out-rainforest-wildlife-world-series.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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