Malicious PDF — malware analysis report

Static analysis result for SHA-256 80b3a9b9247b4486…

MALICIOUS

PDF

46.0 KB Created: 2018-11-26 08:36:59 +03:00 Authoring application: FrameMaker 7.2 (via Acrobat Distiller 7.0.5 (Windows))
MD5: ed98dbe84c92494671d3fae25f319da9 SHA-1: aa1921310196098b9aba4734d3bc10f990a3b987 SHA-256: 80b3a9b9247b448644a6ae2acc435dbd61c9d9c57d35469943b4e32376895ac0
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, as indicated by the 'PDF_SEO_LINK_FARM' heuristic. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the heuristic suggest an attempt to manipulate search engine results or redirect users to potentially malicious content. The ML classifier also flagged the PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8223

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/ramona-and-her-father.pdf
    • http://www.gorillawalker.com/building-a-new-boston-politics-and-urban-renewal-1950-1970.pdf
    • http://www.gorillawalker.com/environments-and-counter-environments-experimental-media-in-italy-the-new.pdf
    • http://www.gorillawalker.com/rethinking-expertise.pdf
    • http://www.gorillawalker.com/the-ultimate-bondage-device-laste-chance-bondage-inc-book-2.pdf
    • http://www.gorillawalker.com/finding-hope-kindle-edition.pdf
    • http://www.gorillawalker.com/raspberry-pi-server-essentials.pdf
    • http://www.gorillawalker.com/revisioning-critical-methods-of-seeing-christianity-in-the-history-of.pdf
    • http://www.gorillawalker.com/evaluating-hiv-prevention-interventions-aids-prevention-and-mental-health.pdf
    • http://www.gorillawalker.com/el-otro-pared-n-asesinatos-de-la-reputaci-n-en.pdf
    • http://www.gorillawalker.com/the-ecology-of-commerce-a-declaration-of-sustainability.pdf
    • http://www.gorillawalker.com/rational-design-of-stable-protein-formulations-theory-and-practice-pharmaceutical.pdf
    • http://www.gorillawalker.com/modern-radar-systems-artech-house-radar-library.pdf
    • http://www.gorillawalker.com/summertree.pdf
    • http://www.gorillawalker.com/practical-magic-a-translation-of-basic-neuro-linguistic-programming-into.pdf
    • http://www.gorillawalker.com/36-arguments-for-the-existence-of-god-a-work-of.pdf
    • http://www.gorillawalker.com/i-am-deaf-everyone-is-different.pdf
    • http://www.gorillawalker.com/better-basketball-a-guide-for-the-serious-coach-and-player.pdf
    • http://www.gorillawalker.com/lost-sheep-a-spot-the-difference-jigsaw-book-bible-stories.pdf
    • http://www.gorillawalker.com/houdini-on-the-spot-time-saving-tips-and-shortcuts-from.pdf
    • http://www.gorillawalker.com/know-that-quotes-from-deaf-women-for-a-positive-life.pdf
    • http://www.gorillawalker.com/by-tom-hegna-paychecks-and-playchecks-audio-book-6-disc.pdf
    • http://www.gorillawalker.com/efforts-to-prevent-pandemics-by-air-travel.pdf
    • http://www.gorillawalker.com/ak47-assault-rifle-manual.pdf
    • http://www.gorillawalker.com/properties-and-applications-of-thermoelectric-materials-the-search-for-new.pdf
    • http://www.gorillawalker.com/masted-structures-in-architecture-butterworth-architecture-new-technology-series.pdf
    • http://www.gorillawalker.com/junior-jetsetters-guide-to-vancouver.pdf
    • http://www.gorillawalker.com/the-divine-comedy-the-carlyle-okey-wicksteed-unabridged-translation.pdf
    • http://www.gorillawalker.com/housing-and-economic-adjustment-st-esa-204.pdf
    • http://www.gorillawalker.com/governments-of-indiana-2011-annual-financial-and-employee-review.pdf
    • http://www.gorillawalker.com/hudson-river-fishes-and-their-environment.pdf
    • http://www.gorillawalker.com/architekten-und-ingenieurrecht-praxisnah-vertragsrecht-haftungsrecht-verg-tungsrecht-german-edition.pdf
    • http://www.gorillawalker.com/the-x-rated-videotape-guide-1990-1992.pdf
    • http://www.gorillawalker.com/billy-liddell-the-legend-who-carried-the-kop.pdf
    • http://www.gorillawalker.com/the-baby-sitters-club-101-claudia-kishi-middle-school-drop.pdf
    • http://www.gorillawalker.com/business-performance-excellence-middle-e.pdf
    • http://www.gorillawalker.com/settlements-galore-winning-or-settling-your-personal-injury-claim.pdf
    • http://www.gorillawalker.com/evidence-concentrate.pdf
    • http://www.gorillawalker.com/the-butterfly-hunter.pdf
    • http://www.gorillawalker.com/colin-cowie-s-wedding-planner-keepsake-organizer-the-exclusive-edition.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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