Malicious PDF — malware analysis report

Static analysis result for SHA-256 186b794cf16c60be…

MALICIOUS

PDF

45.6 KB Created: 2019-03-17 11:32:13 +03:00 Authoring application: DVIPSONE 2.2.4 http://www.YandY.com (via Acrobat Distiller 7.0.5 (Windows))
MD5: 5939860838d3d9727590e4d23db2a195 SHA-1: e06facbee20980a3ca7aad409270d7c12c4cda53 SHA-256: 186b794cf16c60be2c149d3a5c5b6a29d82a92f8e7ebb2d5460b312ca0d9ced7
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a heuristic firing for a large external link farm, pointing to numerous PDF files on the domain 'gorillawalker.com'. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to manipulate search engine results or distribute potentially malicious content through these links. The ML classifier also flagged the PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8640

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/slut-girl-collection.pdf
    • http://www.gorillawalker.com/reservoir-dogs-the-screenplay.pdf
    • http://www.gorillawalker.com/seismic-reflection-interpretation.pdf
    • http://www.gorillawalker.com/leadership-development-how-to-think-and-communicate-as-a-leader.pdf
    • http://www.gorillawalker.com/ei-wa-wa-ei-horitsu-yogo-jiten-english-japanese-japanese.pdf
    • http://www.gorillawalker.com/the-death-of-socrates-profiles-in-history.pdf
    • http://www.gorillawalker.com/the-mysterious-stranger-and-other-strories-unabridged-classics-in-audio.pdf
    • http://www.gorillawalker.com/illustrated-contributions-to-the-invertebrate-paleontology-of-america.pdf
    • http://www.gorillawalker.com/necessary-lies.pdf
    • http://www.gorillawalker.com/chronic-myeloid-leukemia-blood-science-series-2000-isbn-4890130535-japanese.pdf
    • http://www.gorillawalker.com/models-of-disorder-the-theoretical-physics-of-homogeneously-disordered-systems.pdf
    • http://www.gorillawalker.com/from-the-west-coast-to-the-western-front-british-columbians.pdf
    • http://www.gorillawalker.com/lipstick-on-both-sides-of-my-sheets-my-transformation-from.pdf
    • http://www.gorillawalker.com/alone-on-the-edge-the-chronicles-of-anna-foster-volume.pdf
    • http://www.gorillawalker.com/blackstone-s-guide-to-the-domestic-violence-crime-and-victims.pdf
    • http://www.gorillawalker.com/literature-nature-and-other-ecofeminist-critiques.pdf
    • http://www.gorillawalker.com/gcse-french-flash-revise-pocketbook-french-edition.pdf
    • http://www.gorillawalker.com/children-of-the-night-audiobook-cd-unabridged-audio-cd.pdf
    • http://www.gorillawalker.com/black-economics-solutions-for-economic-and-community-empowerment.pdf
    • http://www.gorillawalker.com/sport-psychology-for-youth-coaches-developing-champions-in-sports-and.pdf
    • http://www.gorillawalker.com/nick-stellino-s-mediterranean-flavors.pdf
    • http://www.gorillawalker.com/the-rough-guide-to-prague-6-rough-guide-travel-guides.pdf
    • http://www.gorillawalker.com/textile-perspectives-in-mixed-media-sculpture.pdf
    • http://www.gorillawalker.com/haydn-franz-joseph-duet-in-d-major-hob-vi-d1.pdf
    • http://www.gorillawalker.com/wet-wall-tattoos-ben-long-and-the-art-of-fresco.pdf
    • http://www.gorillawalker.com/kiro-s-emily-a-rosemary-beach-novella-unabridged-audible-audio.pdf
    • http://www.gorillawalker.com/an-actor-s-work-a-student-s-diary.pdf
    • http://www.gorillawalker.com/ten-lectures-on-the-use-of-medicinals-from-the-personal.pdf
    • http://www.gorillawalker.com/the-stef-nsson-anderson-arctic-expedition-of-the-american-museum.pdf
    • http://www.gorillawalker.com/british-imperialism-1688-2000.pdf
    • http://www.gorillawalker.com/verita.pdf
    • http://www.gorillawalker.com/happy-birthday-feliz-cumplea-os-i-can-read-spanish.pdf
    • http://www.gorillawalker.com/how-to-draw-zentangles-basic-designs-pencil-drawing-step-by.pdf
    • http://www.gorillawalker.com/directory-of-financial-aids-for-minorities-1995-1997-minority-funding.pdf
    • http://www.gorillawalker.com/accessibility-pocketbook-2009-ibc-icc-ansi-a117-1-2003-accessibility.pdf
    • http://www.gorillawalker.com/laytime-and-demurrage-fifth-edition-lloyd-s-shipping-law-library.pdf
    • http://www.gorillawalker.com/w33f-complete-instrument-reference-guide-for-band-directors-conductor-s.pdf
    • http://www.gorillawalker.com/hoyle-s-modern-encyclopedia-of-card-games-rules-of-all.pdf
    • http://www.gorillawalker.com/the-russian-revolution-1917-1945.pdf
    • http://www.gorillawalker.com/made-in-china-women-factory-workers-in-a-global-marketplace.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://www.YandY.com
    • 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/