Malicious PDF — malware analysis report

Static analysis result for SHA-256 42feecbd177f4400…

MALICIOUS

PDF

40.7 KB Created: 2018-11-26 20:06:56 +03:00 Authoring application: FrameMaker 9.0 (via Acrobat Distiller 9.0.0 (Windows))
MD5: 59a903e4988b8f864a8b5ab5a7923565 SHA-1: 392da92f1f2a3ffc5a9e2b233f51a106ce5e76bb SHA-256: 42feecbd177f4400644cde095c98771ec7c36990f268d19315bf1afd1370e2b1
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a large number of embedded external links, indicative of a link farm or SEO manipulation tactic. The primary heuristic identified a "PDF_SEO_LINK_FARM" with 32 external links, suggesting the document's purpose is to distribute traffic or potentially host malicious content via these links. No scripts were extracted, and the document body contained mostly obfuscated data and URLs.

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/mass-migration-to-the-united-states-classical-and-contemporary-periods.pdf
    • http://www.gorillawalker.com/come-holy-spirit-heal-and-reconcile-report-of-the-wcc.pdf
    • http://www.gorillawalker.com/c-mo-ganar-en-el-deporte-de-los-negocios-si.pdf
    • http://www.gorillawalker.com/paul-yandell-collection-craig-dobbins-accoustic-guitar-workshop.pdf
    • http://www.gorillawalker.com/the-art-of-off-camera-flash-photography-techniques-and-images.pdf
    • http://www.gorillawalker.com/too-many-traitors-hardy-boys-casefiles-case-14.pdf
    • http://www.gorillawalker.com/the-feral-child-the-feral-child-trilogy.pdf
    • http://www.gorillawalker.com/map-use-reading-and-analysis.pdf
    • http://www.gorillawalker.com/building-the-nutshell-pram.pdf
    • http://www.gorillawalker.com/rich-friends-kindle-edition.pdf
    • http://www.gorillawalker.com/religious-liberty-in-south-america-with-special-reference-to-recent.pdf
    • http://www.gorillawalker.com/how-jesus-transforms-the-ten-commandments.pdf
    • http://www.gorillawalker.com/a-pilgrimage-to-nejd-v1-the-cradle-of-the-arab.pdf
    • http://www.gorillawalker.com/current-medical-diagnosis-and-treatment-2015-kindle-edition.pdf
    • http://www.gorillawalker.com/rethinking-religion-in-india-the-colonial-construction-of-hinduism-routledge.pdf
    • http://www.gorillawalker.com/home-key-ideas-in-geography.pdf
    • http://www.gorillawalker.com/the-studio-sos-book-solutions-and-techniques-for-the-project.pdf
    • http://www.gorillawalker.com/praise-southern-style-satb.pdf
    • http://www.gorillawalker.com/abuse-in-the-jewish-community-religious-and-communal-factors-that.pdf
    • http://www.gorillawalker.com/introducing-electronic-archiving.pdf
    • http://www.gorillawalker.com/multicultural-theatre-scenes-and-monologs-from-new-hispanic-asian-and.pdf
    • http://www.gorillawalker.com/opening-the-bidding-official-better-bridge.pdf
    • http://www.gorillawalker.com/off-season-the-off-series-book-6.pdf
    • http://www.gorillawalker.com/descent-into-chaos-the-world-s-most-unstable-region-and.pdf
    • http://www.gorillawalker.com/the-vegetation-of-wisconsin-an-ordination-of-plant-communities.pdf
    • http://www.gorillawalker.com/charlie-the-ranch-dog-charlie-s-snow-day-i-can.pdf
    • http://www.gorillawalker.com/the-artist-s-studio-for-strings-bowing-development-series-violin.pdf
    • http://www.gorillawalker.com/the-grammar-of-graphics-statistics-and-computing.pdf
    • http://www.gorillawalker.com/fundamentals-and-applications-of-solar-energy-aiche-symposium-series-198.pdf
    • http://www.gorillawalker.com/ion-exchange-in-analytical-chemistry.pdf
    • http://www.gorillawalker.com/circle-nine.pdf
    • http://www.gorillawalker.com/the-life-of-buddha-history-of-civilization.pdf
    • http://www.gorillawalker.com/the-wisdom-of-yoga-a-seeker-s-guide-to-extraordinary.pdf
    • http://www.gorillawalker.com/kid-beowulf-and-the-song-of-roland.pdf
    • http://www.gorillawalker.com/unfinished-grave-judge-rosswell-carew-mystery-series-book-4.pdf
    • http://www.gorillawalker.com/industrial-conspiracies-a-lecture-delivered-in-heilig-theatre-portland-oregon.pdf
    • http://www.gorillawalker.com/learn-to-draw-3-d.pdf
    • http://www.gorillawalker.com/arizona-environmental-law-handbook-state-environmental-law-handbooks.pdf
    • http://www.gorillawalker.com/poker-face-the-masks-series-volume-4.pdf
    • http://www.gorillawalker.com/systematic-reviews.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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