Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fc9c62b93a470d2…

MALICIOUS

PDF

41.6 KB Created: 2019-03-17 10:58:48 +03:00 Authoring application: - (via Acrobat Distiller 7.0 (Windows))
MD5: 0dac2d46a75de6431de9285884943886 SHA-1: 784a05f0194429e0b2d9b6f84f00966bb7c0a1b1 SHA-256: 2fc9c62b93a470d2393718da7a6b7d68ae6ecf6b6ccfcf9687f660cbd4f6be08
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to external PDF files on the domain 'gorillawalker.com'. This is indicative of a link farm or a distribution mechanism for further malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9181

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/the-psychodynamics-of-social-networking-connected-up-instantaneous-culture-and.pdf
    • http://www.gorillawalker.com/the-handyman-an-education.pdf
    • http://www.gorillawalker.com/extravagant-abjection-blackness-power-and-sexuality-in-the-african-american.pdf
    • http://www.gorillawalker.com/minecraft-the-minecraft-spy-club-unofficial-minecraft-novel.pdf
    • http://www.gorillawalker.com/memoirs-of-a-proof-theorist-g-del-and-other-logicians.pdf
    • http://www.gorillawalker.com/nvq-level-3-diploma-gas-pathway-candidate-handbook-plumbing-nvq.pdf
    • http://www.gorillawalker.com/salads-to-go-focus-series.pdf
    • http://www.gorillawalker.com/sex-evolution-and-behavior.pdf
    • http://www.gorillawalker.com/restless-empire-china-and-the-world-since-1750.pdf
    • http://www.gorillawalker.com/look-up-glasgow.pdf
    • http://www.gorillawalker.com/the-most-common-mistakes-in-english-usage-schaum-s-paperbacks.pdf
    • http://www.gorillawalker.com/the-commuter-nation-perspectives-on-puerto-rican-migration.pdf
    • http://www.gorillawalker.com/the-third-voyage-journals-writing-and-performance-in-the-london.pdf
    • http://www.gorillawalker.com/going-to-the-source-volume-i-to-1877-the-bedford.pdf
    • http://www.gorillawalker.com/the-complete-chicken-a-special-cookbook-for-cooking-chicken.pdf
    • http://www.gorillawalker.com/the-power-to-tax-analytic-foundations-of-a-fiscal-constitution.pdf
    • http://www.gorillawalker.com/migration-and-security-in-the-global-age-diaspora-communities-and.pdf
    • http://www.gorillawalker.com/the-horla-revisited.pdf
    • http://www.gorillawalker.com/pathways-into-sexual-exploitation-and-sex-work-the-experience-of.pdf
    • http://www.gorillawalker.com/the-sacred-city-of-the-ethiopians-being-a-record-of.pdf
    • http://www.gorillawalker.com/family-communication-cohesion-and-change-9th-edition.pdf
    • http://www.gorillawalker.com/runs-deep.pdf
    • http://www.gorillawalker.com/ballentine-s-thesaurus-for-legal-research-writing-delmar-paralegal.pdf
    • http://www.gorillawalker.com/jazz-an-american-journey.pdf
    • http://www.gorillawalker.com/phage-display-in-biotechnology-and-drug-discovery-second-edition-drug.pdf
    • http://www.gorillawalker.com/simple-pvc-pipe-bows-a-do-it-yourself-guide-to.pdf
    • http://www.gorillawalker.com/making-a-s-in-college-what-smart-students-know-the.pdf
    • http://www.gorillawalker.com/jungle-ultimate-sticker-books.pdf
    • http://www.gorillawalker.com/standards-and-standardization-basic-principles-and-applications.pdf
    • http://www.gorillawalker.com/mapas-mentales-claridad-de-ideas-al-alcance-de-la-mano.pdf
    • http://www.gorillawalker.com/crude-oils-production-environmental-impacts-and-global-market-challenges-environmental.pdf
    • http://www.gorillawalker.com/on-entering-the-sea-the-erotic-and-other-poetry-of.pdf
    • http://www.gorillawalker.com/prague-soundscapes.pdf
    • http://www.gorillawalker.com/mel-bay-carcassi-in-tablature.pdf
    • http://www.gorillawalker.com/darkness-in-the-flames.pdf
    • http://www.gorillawalker.com/science-and-the-media-delgado-s-brave-bulls-and-the.pdf
    • http://www.gorillawalker.com/the-clue-in-the-embers-hardy-boys-book-35.pdf
    • http://www.gorillawalker.com/cancionero-flamenco-del-gitano-cantaor-obra-musical-de-cante-hondo.pdf
    • http://www.gorillawalker.com/a-pickle-for-the-knowing-ones-or-plain-truths-in.pdf
    • http://www.gorillawalker.com/national-human-rights-institutions-in-europe-comparative-european-and-international.pdf
    • http://www.gorillawalker.com/the-most-com
    • 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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