Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd45fea19342342d…

MALICIOUS

PDF

33.0 KB Created: 2020-02-19 09:53:14 +03:00 Authoring application: Acrobat PDFMaker 7.0 для Word (via Acrobat Distiller 7.0.5 (Windows))
MD5: 3eb7f132a3211ec98074055c6fd87915 SHA-1: 29e4ff44295fa0b7cea4be01f3bbf90941231c39 SHA-256: fd45fea19342342d0e6b0ed337bd8757d920e5294a01531cbb1deed695023360
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier and contains a significant number of embedded external links, indicating a potential SEO manipulation or content distribution scheme. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior, with numerous URLs pointing to the 'gorillawalker.com' domain. No scripts were extracted from this sample, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

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/nicaragua-the-sandinista-people-s-revolution.pdf
    • http://www.gorillawalker.com/fundamentals-of-european-civil-law.pdf
    • http://www.gorillawalker.com/songs-of-praise.pdf
    • http://www.gorillawalker.com/rising-sun-the-decline-fall-of-the-jap.pdf
    • http://www.gorillawalker.com/union-castle-liners-southampton-to-the-south-african-cape-1946.pdf
    • http://www.gorillawalker.com/introduction-to-conformal-field-theory-with-applications-to-string-theory.pdf
    • http://www.gorillawalker.com/john-sinclair-folge-0841-erst-lieb-ich-dich-dann-bei.pdf
    • http://www.gorillawalker.com/the-cuerdale-hoard-and-related-viking-age-silver-and-gold.pdf
    • http://www.gorillawalker.com/sing-your-heart-out.pdf
    • http://www.gorillawalker.com/cadillac-desert-the-american-west-and-its-disappearing-water-revised.pdf
    • http://www.gorillawalker.com/the-mammoth-hunters-earth-s-children-series.pdf
    • http://www.gorillawalker.com/willie-wyld-his-wonderful-voyage-to-the-island-of-zanzibar.pdf
    • http://www.gorillawalker.com/la-inversion-en-productos-inmobiliarios-colecci-n-manuales-de-asesoramiento.pdf
    • http://www.gorillawalker.com/search-inside-yourself-the-unexpected-path-to-achieving-success-happiness.pdf
    • http://www.gorillawalker.com/outworld-invaders-agents-of-isis-book-9.pdf
    • http://www.gorillawalker.com/a-birthday-for-bear-bear-and-mouse.pdf
    • http://www.gorillawalker.com/hanon-for-students-bk-1-6-varied-exercises-from-the.pdf
    • http://www.gorillawalker.com/southern-peril-a-jersey-barnes-mystery-jersey-barnes-mysteries.pdf
    • http://www.gorillawalker.com/entice-eagle-elite-book-3-kindle-edition.pdf
    • http://www.gorillawalker.com/gandhi-churchill-the-epic-rivalry-that-destroyed-an-empire-and.pdf
    • http://www.gorillawalker.com/some-basics-about-skateboards-gemini-series.pdf
    • http://www.gorillawalker.com/the-clinch-no-holds-barred-fighting.pdf
    • http://www.gorillawalker.com/the-2002-official-patient-s-sourcebook-on-heroin-dependence-a.pdf
    • http://www.gorillawalker.com/neutron-fluctuations-a-treatise-on-the-physics-of-branching-processes.pdf
    • http://www.gorillawalker.com/radio-communication.pdf
    • http://www.gorillawalker.com/milan-and-turin-a-complete-guide-to-italy-s-capitals.pdf
    • http://www.gorillawalker.com/learning-autodesk-alias-design-2016-5th-edition.pdf
    • http://www.gorillawalker.com/introductory-quantum-chemistry-1st-ed-1st-pr.pdf
    • http://www.gorillawalker.com/a-practical-guide-to-software-localization-language-international-world-directory.pdf
    • http://www.gorillawalker.com/the-thief-hope-chest-time-travel-series-book-4-hope.pdf
    • http://www.gorillawalker.com/japan-visit-to.pdf
    • http://www.gorillawalker.com/la-guarida-del-leon-spanish-edition.pdf
    • http://www.gorillawalker.com/using-images-in-late-antiquity.pdf
    • http://www.gorillawalker.com/robyn-hood-fight-for-freedom-kindle-edition.pdf
    • http://www.gorillawalker.com/aluminum-design-manual-2010-set-book-cd.pdf
    • http://www.gorillawalker.com/performing-environments-site-specificity-in-medieval-and-early-modern-english.pdf
    • http://www.gorillawalker.com/mongolia-road-map-by-gizi-map-published-by-gizimap-2005.pdf
    • http://www.gorillawalker.com/practical-guide-to-business-forecasting.pdf
    • http://www.gorillawalker.com/clovelly-and-hartland-explorer-maps-126-os-explorer-map.pdf
    • http://www.gorillawalker.com/book-of-nonsense-containing-edward-lear-s-complete-nonsense-rhymes.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/

Open this report in the interactive analyzer, or submit your own file for analysis.