Malicious PDF — malware analysis report

Static analysis result for SHA-256 5a191fe6acb6e843…

MALICIOUS

PDF

43.1 KB Created: 2018-11-15 19:33:34 +03:00 Authoring application: Microsoft® Word 2016
MD5: 88c22d04aafbfa02e9f8041db89dd8a9 SHA-1: 2f4227826711a2a95ccc07f1016b07ebd9a8666e SHA-256: 5a191fe6acb6e8435a3a54b9afbc5308826fbc639481e340d52c8f0873310d58
60 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF documents on the domain www.gorillawalker.com. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute further malicious content. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the immediate payload.

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/poor-cook.pdf
    • http://www.gorillawalker.com/human-error-prevention.pdf
    • http://www.gorillawalker.com/ven-conmigo-grammar-and-vocabulary-workbook-level-3.pdf
    • http://www.gorillawalker.com/fundamentals-of-futures-and-options-markets-7th-edition.pdf
    • http://www.gorillawalker.com/methodology-technology-and-innovation-in-translation-process-research-copenhagen-studies.pdf
    • http://www.gorillawalker.com/evolo-02-spring-2010-skyscrapers-of-the-future.pdf
    • http://www.gorillawalker.com/philip-pullman-who-wrote-that.pdf
    • http://www.gorillawalker.com/applied-mathematics-for-the-managerial-life-and-social-sciences.pdf
    • http://www.gorillawalker.com/irresistible-temptations.pdf
    • http://www.gorillawalker.com/axiom-a-jar-for-tog.pdf
    • http://www.gorillawalker.com/geotechnical-depth-practice-exams-for-the-civil-pe-exam.pdf
    • http://www.gorillawalker.com/death-of-a-dormouse.pdf
    • http://www.gorillawalker.com/bescherelle-french-edition.pdf
    • http://www.gorillawalker.com/the-year-of-the-new-barn.pdf
    • http://www.gorillawalker.com/by-francis-a-lord-civil-war-collector-s-encyclopedia-volumes.pdf
    • http://www.gorillawalker.com/amish-romance-short-story-boxed-set.pdf
    • http://www.gorillawalker.com/do-you-always-catch-a-cold-on-holiday-or-at.pdf
    • http://www.gorillawalker.com/aesthetics-fundamentals-of-philosophy.pdf
    • http://www.gorillawalker.com/betrayal-and-jill.pdf
    • http://www.gorillawalker.com/enough-discovering-joy-through-simplicity-and-generosity-stewardship-program-guide.pdf
    • http://www.gorillawalker.com/the-cheating-hucow.pdf
    • http://www.gorillawalker.com/the-berlitz-self-teacher-german.pdf
    • http://www.gorillawalker.com/an-introduction-to-human-computer-interaction-psychology-revivals.pdf
    • http://www.gorillawalker.com/once-upon-a-rock-star-backstage-passes-in-the-heavy.pdf
    • http://www.gorillawalker.com/just-a-cog-in-the-wheel.pdf
    • http://www.gorillawalker.com/the-heidegger-dictionary-bloomsbury-philosophy-dictionaries.pdf
    • http://www.gorillawalker.com/information-technology-law-in-ireland-second-edition.pdf
    • http://www.gorillawalker.com/incidental-findings-lessons-from-my-patients-in-the-art-of.pdf
    • http://www.gorillawalker.com/fire-on-her-tongue-an-anthology-of-contemporary-women-s.pdf
    • http://www.gorillawalker.com/after-hours-negotiation-can-t-get-enough-an-offer-she.pdf
    • http://www.gorillawalker.com/rik-smits-dunking-dutchman-dutch-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/the-man-from-shadow-ridge-saga-of-the-sierras.pdf
    • http://www.gorillawalker.com/food-lovers-guide-to-tucson-the-best-restaurants-markets-local.pdf
    • http://www.gorillawalker.com/mother-teresa-beyond-the-image.pdf
    • http://www.gorillawalker.com/portraits-in-cataloging-and-classification-theorists-educators-and-practitioners-of.pdf
    • http://www.gorillawalker.com/handbook-of-environmental-health-and-safety-principles-and-practices-third.pdf
    • http://www.gorillawalker.com/jericho-season-3-tp.pdf
    • http://www.gorillawalker.com/very-best-of-the-beach-boys-piano-vocal-guitar-artist.pdf
    • http://www.gorillawalker.com/animal-encyclopedia-series-lion-fairy-fairy-encyclopedia-prairie-overlord-lion.pdf
    • http://www.gorillawalker.com/keys-to-higher-consciousness-how-to-contact-your-inner-self.pdf
    • http://www.gori
    • 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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