Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6dafee6e4aec9d9…

MALICIOUS

PDF

43.6 KB Created: 2018-11-30 20:34:33 +03:00 Authoring application: FrameMaker 9.0 (via Acrobat Distiller 9.4.5 (Windows))
MD5: aabafb4207776fddbab2581df67037ac SHA-1: 1cad1b005f5f946717e609e097f2bfb98d06c0b1 SHA-256: c6dafee6e4aec9d9209aeff54d8d0eb7c6e21b3aad1cd6fd5c46ebb763899ba8
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9171

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/automotive-ergonomics-driver-vehicle-interaction.pdf
    • http://www.gorillawalker.com/nixon-and-mao-the-week-that-changed-the-world.pdf
    • http://www.gorillawalker.com/escalofr-os-horrorlandia-9-bienvenido-al-campamento-de-las-serpientes.pdf
    • http://www.gorillawalker.com/dementia-contemporary-neurology-series.pdf
    • http://www.gorillawalker.com/risk-management-an-accountability-guide-for-university-and-college-boards.pdf
    • http://www.gorillawalker.com/screening-mammography-breast-cancer-diagnosis-in-asymptomatic-women.pdf
    • http://www.gorillawalker.com/research-methods-in-information.pdf
    • http://www.gorillawalker.com/fischer-tropsch-refining.pdf
    • http://www.gorillawalker.com/psallite-accompaniment-vocal-edition-year-a.pdf
    • http://www.gorillawalker.com/lessons-from-the-black-neighbor-collection-interracial-black-m-white.pdf
    • http://www.gorillawalker.com/the-ferret-handbook.pdf
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    • http://www.gorillawalker.com/the-money-lords-the-great-finance-capitalists-1925-1950-historical.pdf
    • http://www.gorillawalker.com/menopause-hormone-replacement-therapy-and-its-natural-alternatives.pdf
    • http://www.gorillawalker.com/simple-life-time-relationships-money-god.pdf
    • http://www.gorillawalker.com/women-s-soccer-using-science-to-improve-speed.pdf
    • http://www.gorillawalker.com/das-maya-orakel-buch-und-44-farbkarten-das-kodierte-wissen.pdf
    • http://www.gorillawalker.com/natural-saints-how-people-of-faith-are-working-to-save.pdf
    • http://www.gorillawalker.com/managing-price-risk-in-agricultural-commodity-markets-farm-business-management.pdf
    • http://www.gorillawalker.com/bob-marley-soccer-2010-wall-calendar.pdf
    • http://www.gorillawalker.com/logic-and-society-contradictions-and-possible-worlds.pdf
    • http://www.gorillawalker.com/dancing-move-your-body-a-kid-s-guide-to-fitness.pdf
    • http://www.gorillawalker.com/the-curse-of-lovely-how-to-break-free-from-the.pdf
    • http://www.gorillawalker.com/color-atlas-of-dental-implant-surgery-2e.pdf
    • http://www.gorillawalker.com/introducing-machiavelli-a-graphic-guide-digital.pdf
    • http://www.gorillawalker.com/s-m-a-r-t-s-and-the-missing-ufo.pdf
    • http://www.gorillawalker.com/andersonville.pdf
    • http://www.gorillawalker.com/advances-in-organometallic-chemistry-vol-28.pdf
    • http://www.gorillawalker.com/mastering-fashion-marketing-palgrave-master-series.pdf
    • http://www.gorillawalker.com/przewalski-s-horse-the-history-and-biology-of-an-endangered.pdf
    • http://www.gorillawalker.com/seducing-the-centipede-insect-bug-erotica.pdf
    • http://www.gorillawalker.com/kindle-publishing-empire-a-proven-formula-for-publishing-on-amazon.pdf
    • http://www.gorillawalker.com/nihilist-girl-texts-translations.pdf
    • http://www.gorillawalker.com/improvements-in-lenses-for-aerial-photography.pdf
    • http://www.gorillawalker.com/screen-printing-layering-textiles-with-colour-texture-and-imagery.pdf
    • http://www.gorillawalker.com/animate-creation-popular-edition-of-our-living-world-a-natural.pdf
    • http://www.gorillawalker.com/by-melissa-shales-barbados-travel-pack-globetrotter-travel-packs-1st.pdf
    • http://www.gorillawalker.com/severin-s-veterinary-ophthalmology-notes.pdf
    • http://www.gorillawalker.com/masteringgeography-with-pearson-etext-standalone-access-card-for-elemental-geosystems.pdf
    • http://www.gorillawalker.com/the-roadster-project-a-novel.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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