Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2c84c4246805c53…

MALICIOUS

PDF

44.5 KB Created: 2018-12-15 20:01:52 +03:00 Authoring application: Adobe InDesign CS5 (7.0) (via Acrobat Distiller 9.5.3 (Macintosh))
MD5: fc101d08003f2af238339f4a1fc5adc0 SHA-1: 5073750a31ab5404178b9fe8748f03f8f510b10b SHA-256: f2c84c4246805c53be67877a8ee2224e81b45a37db9601a8b66e5a90a20950a6
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a significant number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links likely lead to malicious sites. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious nature of the document. No scripts were extracted, and the document body was unreadable, so the primary attack vector appears to be the link farm.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8683

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/financial-report-and-audited-financial-statements-for-the-biennium-ended.pdf
    • http://www.gorillawalker.com/c-mo-ser-padres-buenos-en-un-mundo-malo-principios.pdf
    • http://www.gorillawalker.com/gevallen-vazallen-de-integratie-van-oranje-egmont-en-horn-in.pdf
    • http://www.gorillawalker.com/church-dramas-volume-1-comedies-and-dramas-for-the-sunday.pdf
    • http://www.gorillawalker.com/island-skagit-whatcom-counties-street-guide-including-the-san-jaun.pdf
    • http://www.gorillawalker.com/the-napoleonic-wars-a-very-short-introduction-very-short-introductions.pdf
    • http://www.gorillawalker.com/kenya-tourist-guide-kindle-edition.pdf
    • http://www.gorillawalker.com/collecting-costume-jewelry-303-the-flip-side-exploring-costume-jewelry.pdf
    • http://www.gorillawalker.com/everything-beautiful-in-the-world.pdf
    • http://www.gorillawalker.com/fondue-nichts-f.pdf
    • http://www.gorillawalker.com/lte-signaling-troubleshooting-and-optimization.pdf
    • http://www.gorillawalker.com/100-years-of-erotica-an-international-portfolio-of-erotic-photography.pdf
    • http://www.gorillawalker.com/europe-executive-enlarged-and-tubed-national-geographic-reference-map.pdf
    • http://www.gorillawalker.com/music-minus-one-soprano-mezzo-soprano-tenor-or-bass-baritone.pdf
    • http://www.gorillawalker.com/curatorial-cooking-the-design-practice-of-platform21.pdf
    • http://www.gorillawalker.com/albert-camus-and-the-philosophy-of-the-absurd-value-inquiry.pdf
    • http://www.gorillawalker.com/here-s-the-naughtiest-girl.pdf
    • http://www.gorillawalker.com/calculus-for-business-economics-life-sciences-and-social-sciences-plus.pdf
    • http://www.gorillawalker.com/keep-australia-on-your-left.pdf
    • http://www.gorillawalker.com/blood-rites-executioner-kindle-edition.pdf
    • http://www.gorillawalker.com/shoot-annual-2000.pdf
    • http://www.gorillawalker.com/delta-force-a-memoir-by-the-founder-of-the-u.pdf
    • http://www.gorillawalker.com/augustine-and-social-justice-augustine-in-conversation-tradition-and-innovation.pdf
    • http://www.gorillawalker.com/a-mbe-standard-and-ensaio-preparacao-livro-1-no-more.pdf
    • http://www.gorillawalker.com/fortescue-s-history-of-the-british-army-volume-xii.pdf
    • http://www.gorillawalker.com/precedent-in-english-law-clarendon-law-series.pdf
    • http://www.gorillawalker.com/vico-s-science-of-imagination.pdf
    • http://www.gorillawalker.com/gendering-poetry-contemporary-women-and-men-poets.pdf
    • http://www.gorillawalker.com/find-your-path-a-short-guide-for-living-with-purpose.pdf
    • http://www.gorillawalker.com/friday-never-leaving-kindle-edition.pdf
    • http://www.gorillawalker.com/a-gift-from-valentine.pdf
    • http://www.gorillawalker.com/the-new-rich-in-china-future-rulers-present-lives.pdf
    • http://www.gorillawalker.com/project-management-for-engineering-design-synthesis-lectures-on-engineering.pdf
    • http://www.gorillawalker.com/the-worship-drama-library-volume-5.pdf
    • http://www.gorillawalker.com/please-talk-to-me-selected-stories-the-margellos-world-republic.pdf
    • http://www.gorillawalker.com/the-accompanist.pdf
    • http://www.gorillawalker.com/stealth-new-directions-paperbook.pdf
    • http://www.gorillawalker.com/florence-and-tuscany-travel-pack-2nd-globetrotter-travel-packs.pdf
    • http://www.gorillawalker.com/health-aspects-of-plumbing.pdf
    • http://www.gorillawalker.com/the-sherlock-holmes-adventure.pdf
    • http://www.gorillawalker.com/c-mo-ser-padres-buenos-en-un-
    • 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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