Malicious PDF — malware analysis report

Static analysis result for SHA-256 f670871a95b63525…

MALICIOUS

PDF

41.0 KB Created: 2018-12-15 20:11:17 +03:00 Authoring application: GPL Ghostscript 8.64 (via Adobe PDF Library 8.0)
MD5: 90ee033d14ce511562bc42966112795f SHA-1: 5b92424386b598fe382649eb6a5954bd964b18b9 SHA-256: f670871a95b63525ca28b6b8e670435d5ae98725169e3f4adeca1ac60a622245
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious. The primary purpose appears to be link farming or redirecting users to potentially harmful content hosted on the gorillawalker.com domain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8872

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/robert-johnson-lost-and-found-music-in-american-life.pdf
    • http://www.gorillawalker.com/geography-in-focus.pdf
    • http://www.gorillawalker.com/electric-bicycle-conversions-kindle-edition.pdf
    • http://www.gorillawalker.com/the-little-hucow-filling-two-hucow-mffm-group-erotica-kindle.pdf
    • http://www.gorillawalker.com/schechter-and-thomas-principles-of-copyright-law-concise-hornbook-series.pdf
    • http://www.gorillawalker.com/adventure-of-zenas-leonard-fur-trader-and-trapper-1831-1836.pdf
    • http://www.gorillawalker.com/10-sports-scandals-that-rocked-the-game.pdf
    • http://www.gorillawalker.com/the-ghosts-of-merida-thrilling-accounts-of-souls-spirits-and.pdf
    • http://www.gorillawalker.com/the-ceo-of-self-an-executive-functioning-workbook.pdf
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    • http://www.gorillawalker.com/final-protocol.pdf
    • http://www.gorillawalker.com/las-vegas-gamble-a-mankind-thriller-kindle-edition.pdf
    • http://www.gorillawalker.com/the-kindergarden-chef-cooking-with-kindess-never-tasted-so-good.pdf
    • http://www.gorillawalker.com/arcana-vi-musicians-on-music.pdf
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    • http://www.gorillawalker.com/after-hours-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/a-history-of-american-literature-1950-to-the-present-wiley.pdf
    • http://www.gorillawalker.com/jesus-the-messiah-an-abridged-edition-of-the-life-and.pdf
    • http://www.gorillawalker.com/the-85-solution-how-personal-accountability-guarantees-success-no-nonsense.pdf
    • http://www.gorillawalker.com/quick-thrifty-cooking.pdf
    • http://www.gorillawalker.com/george-orwell.pdf
    • http://www.gorillawalker.com/research-in-georgia-with-a-special-emphasis-upon-the-georgia.pdf
    • http://www.gorillawalker.com/boilers-and-burners-design-and-theory-mechanical-engineering-series-2000.pdf
    • http://www.gorillawalker.com/mysteries-in-small-towns-small-town-series-number-4-volume.pdf
    • http://www.gorillawalker.com/golan-skyline.pdf
    • http://www.gorillawalker.com/spiritual-profiling-how-jesus-interacted-with-8-different-types-of.pdf
    • http://www.gorillawalker.com/succeeding-at-the-piano-theory-and-activity-book-level-2a.pdf
    • http://www.gorillawalker.com/superpower-the-amazing-race-between-china-s-hare-and-india.pdf
    • http://www.gorillawalker.com/sophia-regent-of-russia-1657-1704.pdf
    • http://www.gorillawalker.com/e-learning-fundamentals.pdf
    • http://www.gorillawalker.com/spoken-and-written-language-exploring-orality-and-literacy-advances-in.pdf
    • http://www.gorillawalker.com/australian-bushcraft-periwinkle-colour-series.pdf
    • http://www.gorillawalker.com/exceptional-fossil-preservation.pdf
    • http://www.gorillawalker.com/superman-shazam-first-thunder.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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