Malicious PDF — malware analysis report

Static analysis result for SHA-256 60f1ae0d4e1d1200…

MALICIOUS

PDF

33.7 KB Created: 2020-02-20 01:26:39 +03:00 Authoring application: FrameMaker 9.0 (via Acrobat Distiller 9.4.5 (Windows))
MD5: 1df84127a11130c6daeb306f04fd3450 SHA-1: fb2a8e9d3456302952c01e513ff902797505cea1 SHA-256: 60f1ae0d4e1d1200cbc87174acb7cd30a34e8e35e7d504c4f8a0958999dd176c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF documents on the domain 'gorillawalker.com'. The ML classifier also flagged the document as malicious. The primary purpose appears to be directing users to a large collection of external resources, potentially for SEO manipulation or to host further malicious content.

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/the-private-diary-of-an-o-j-juror-behind-the.pdf
    • http://www.gorillawalker.com/the-24th-wisconsin-infantry-in-the-civil-war-the-biography.pdf
    • http://www.gorillawalker.com/appletons-annual-cyclopaedia-and-register-of-important-events-embracing-political.pdf
    • http://www.gorillawalker.com/writing-for-science.pdf
    • http://www.gorillawalker.com/antipersonnel-mine-m18a1-and-m18-claymore.pdf
    • http://www.gorillawalker.com/banana-games-vol-4-once-upon-a-time-part-2.pdf
    • http://www.gorillawalker.com/cuentos-chicanos-a-short-story-anthology.pdf
    • http://www.gorillawalker.com/to-save-a-thousand-souls-a-guide-for-discerning-a.pdf
    • http://www.gorillawalker.com/the-lesotho-travel-journal.pdf
    • http://www.gorillawalker.com/the-ecology-of-finnegans-wake-florida-james-joyce.pdf
    • http://www.gorillawalker.com/ganzl-s-book-of-the-musical-theatre.pdf
    • http://www.gorillawalker.com/dirty-house-on-the-prairie-3-taboo-tales-book-7.pdf
    • http://www.gorillawalker.com/a-strange-and-bitter-fruit.pdf
    • http://www.gorillawalker.com/the-unknown-country-canada-and-her-people-wynford-project.pdf
    • http://www.gorillawalker.com/the-objectivist-newsletter-volumes-1-2-3-4-1962-1965.pdf
    • http://www.gorillawalker.com/the-discerning-traveler-s-guide-to-romantic-hideaways-of-the.pdf
    • http://www.gorillawalker.com/the-gvar-handbook-structure-and-applications-of-a-macro-model.pdf
    • http://www.gorillawalker.com/preaching-and-homiletical-theory-preaching-and-its-partners.pdf
    • http://www.gorillawalker.com/who-do-you-say-that-i-am-essays-on-christology.pdf
    • http://www.gorillawalker.com/classic-bulbs-hidden-treasures-for-the-modern-garden.pdf
    • http://www.gorillawalker.com/moving-rooms-the-trade-in-architectural-salvages-the-paul-mellon.pdf
    • http://www.gorillawalker.com/the-essence-a-pledge-novel-the-pledge-trilogy.pdf
    • http://www.gorillawalker.com/wind-turbine-maintenance-level-1-volume-2-trainee-guide-contren.pdf
    • http://www.gorillawalker.com/connecting-landlocked-developing-countries-to-markets-trade-corridors-in-the.pdf
    • http://www.gorillawalker.com/34-xxx-erotic-ebooks-an-erotic-satisfaction-box-set.pdf
    • http://www.gorillawalker.com/there-s-a-party-in-heaven.pdf
    • http://www.gorillawalker.com/all-hands-on-deck-lego-city-scholastic-reader-level-1.pdf
    • http://www.gorillawalker.com/tropical-depression-a-billy-knight-thriller-billy-knight-thrillers-book.pdf
    • http://www.gorillawalker.com/managing-change-across-corporate-cultures.pdf
    • http://www.gorillawalker.com/lonely-planet-rio-de-janeiro-city-guide.pdf
    • http://www.gorillawalker.com/weapons-of-mass-persuasion-strategic-communication-to-combat-violent-extremism.pdf
    • http://www.gorillawalker.com/korean-endgame-a-strategy-for-reunification-and-u-s-disengagement.pdf
    • http://www.gorillawalker.com/titanic-disaster-at-sea.pdf
    • http://www.gorillawalker.com/the-autobiographies-of-the-haymarket-martyrs.pdf
    • http://www.gorillawalker.com/rolls-royce-06251.pdf
    • http://www.gorillawalker.com/colorwheel-to-portrait-painting.pdf
    • http://www.gorillawalker.com/the-book-of-common-prayer-7402-white.pdf
    • http://www.gorillawalker.com/food-city.pdf
    • http://www.gorillawalker.com/brady-eprep-for-emt-html5-access-card.pdf
    • http://www.gorillawalker.com/pediatric-malignancies-pathology-and-imaging.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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