Malicious PDF — malware analysis report

Static analysis result for SHA-256 34b00617229f9290…

MALICIOUS

PDF

41.4 KB Created: 2019-04-28 04:12:15 +03:00 Authoring application: BookVirtual Digital Works (via BookVirtual Corp. Patents Pending.)
MD5: a08a7c640d96aa73a4d7b6fb08ed970a SHA-1: 78f69ea4bd3987e1074df9692f27d7f58a9ea504 SHA-256: 34b00617229f92906cb9f129e2bfdf7304de00c0ef12542eb1c702ba43973af3
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF was flagged by a machine learning classifier and a critical heuristic for containing a large number of external links to PDF files. The embedded URLs point to a single domain, 'gorillawalker.com', suggesting a coordinated effort to distribute content or manipulate search engine results. No scripts were extracted, and the document body was heavily obfuscated, making it difficult to determine the exact malicious intent beyond the link farm.

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/cello-concerto-study-score-william-walton-edition.pdf
    • http://www.gorillawalker.com/materia-medica-homeopatica-spanish-edition.pdf
    • http://www.gorillawalker.com/endgame-the-training-diaries-volume-3-existence-kindle-edition.pdf
    • http://www.gorillawalker.com/panic-disorder-compact-research-series.pdf
    • http://www.gorillawalker.com/spring-word-search.pdf
    • http://www.gorillawalker.com/online-riches-create-a-full-time-income-using-these-strategies.pdf
    • http://www.gorillawalker.com/ieee-std-1100-1999-ieee-recommended-practice-for-powering-and.pdf
    • http://www.gorillawalker.com/mayflower.pdf
    • http://www.gorillawalker.com/la-mort-et-l-archev-que.pdf
    • http://www.gorillawalker.com/diccionario-de-refranes-populares-cubanos-coleccion-diccionarios-spanish-edition-coleccion.pdf
    • http://www.gorillawalker.com/getting-auto-rates-online-is-more-difficult-than-ever-an.pdf
    • http://www.gorillawalker.com/colour-map-of-turkey-in-asia-persia-arabia-egypt-nile.pdf
    • http://www.gorillawalker.com/die-katze-auf-der-flucht-die-katze-roman-2-german.pdf
    • http://www.gorillawalker.com/die-verfasserfrage-des-eneas-und-des-roman-de-thebes-1892.pdf
    • http://www.gorillawalker.com/invincible-the-ultimate-collection-volume-6-invincible-ultimate-collection.pdf
    • http://www.gorillawalker.com/fashionable-selby-kindle-edition.pdf
    • http://www.gorillawalker.com/marriage-covenant-renewal-8-1-2-x-11-inch-certificate.pdf
    • http://www.gorillawalker.com/classical-interiors-historical-and-contemporary.pdf
    • http://www.gorillawalker.com/first-nations-first-thoughts-the-impact-of-indigenous-thought-in.pdf
    • http://www.gorillawalker.com/how-to-become-a-crime-scene-investigator-crime-scene-investigation.pdf
    • http://www.gorillawalker.com/cultural-anthropology-a-perspective-on-the-human-condition.pdf
    • http://www.gorillawalker.com/abba-gold-violin-play-along.pdf
    • http://www.gorillawalker.com/attack-on-titan-12.pdf
    • http://www.gorillawalker.com/davis-woodland-west-sacramento-street-map-map.pdf
    • http://www.gorillawalker.com/plato-s-symposium.pdf
    • http://www.gorillawalker.com/a-history-of-monmouth-and-ocean-counties-embracing-a-genealogical.pdf
    • http://www.gorillawalker.com/my-old-man-up-in-michigan-out-of-season-hemingway.pdf
    • http://www.gorillawalker.com/east-jordan-remembers-a-collection-of-stories-about-east-jordan.pdf
    • http://www.gorillawalker.com/ryoji-ikeda-datamatics.pdf
    • http://www.gorillawalker.com/theme-walks-in-gloucestershire.pdf
    • http://www.gorillawalker.com/the-sun-creation-theory-presents-the-creation-of-the-universe.pdf
    • http://www.gorillawalker.com/cancer-research-secrets-therapies-which-work-and-those-which-don.pdf
    • http://www.gorillawalker.com/the-voyage-of-the-dawn-treader-radio-theatre-chronicles-of.pdf
    • http://www.gorillawalker.com/on-the-river-with-lewis-and-clark-environmental-history-series.pdf
    • http://www.gorillawalker.com/wildlife-of-la-selva-biological-station-costa-rica-where-when.pdf
    • http://www.gorillawalker.com/cherokee-masks.pdf
    • http://www.gorillawalker.com/hollywood-pinups.pdf
    • http://www.gorillawalker.com/the-dragon-s-pearl.pdf
    • http://www.gorillawalker.com/bill-pickett-bulldogger.pdf
    • http://www.gorillawalker.com/al-murshid-a-guide-to-modern-standard-arabic-grammar-for.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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