Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ecb21e9a5ab0757…

MALICIOUS

PDF

34.8 KB Created: 2019-12-13 19:42:31 +03:00 Authoring application: - (via htmldoc 1.8.23 Copyright 1997-2002 Easy Software Products, All Rights Reserved.) First seen: 2021-06-28
MD5: b4029ba8dae76552c284fd031643f46d SHA-1: 5c5c6ddf155adb7634b475763146b2fe26c3db5d SHA-256: 8ecb21e9a5ab075736f8a147d402408b2d24c0751086ac690ff3cf5bccbd4e2d
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. These links all point to the same domain, suggesting a coordinated effort to manipulate search engine results or distribute potentially malicious content. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific intent beyond link farming.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8531

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/band-jam-trumpet-instrumental-folio.pdf In PDF document text
    • http://www.gorillawalker.com/camera-a-history-of-photography-from-daguerreotype-to-digital-of.pdfIn PDF document text
    • http://www.gorillawalker.com/deception-trilogy-three-surrender-kindle-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/handbook-of-forensic-anthropology-and-archaeology-world-archaeological-congress-research.pdfIn PDF document text
    • http://www.gorillawalker.com/semi-truck-color-history.pdfIn PDF document text
    • http://www.gorillawalker.com/holocaust-in-the-ukraine.pdfIn PDF document text
    • http://www.gorillawalker.com/contemporary-sociological-theory-expanding-the-classical-tradition-5th-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/practical-methods-in-electron-microscopy-1.pdfIn PDF document text
    • http://www.gorillawalker.com/the-day-trader-s-guide-to-technical-analysis.pdfIn PDF document text
    • http://www.gorillawalker.com/european-air-law-association-seventh-annual-conference-3-november-1995.pdfIn PDF document text
    • http://www.gorillawalker.com/kiss-the-dead-una-storia-di-anita-blake-italian-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/eft-psicologia-energetica-spanish-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/objetivo-aprobar-objective-approve-lengua-5-primaria-language-5-level.pdfIn PDF document text
    • http://www.gorillawalker.com/marigolds-in-august-the-guest-two-screenplays.pdfIn PDF document text
    • http://www.gorillawalker.com/bred-at-my-own-bridal-shower-a-black-stripper-s.pdfIn PDF document text
    • http://www.gorillawalker.com/the-history-of-rock-n-roll-in-ten-songs.pdfIn PDF document text
    • http://www.gorillawalker.com/guru-english-south-asian-religion-in-a-cosmopolitan-language.pdfIn PDF document text
    • http://www.gorillawalker.com/muhammad-iqbal-essays-on-the-reconstruction-of-modern-muslim-thought.pdfIn PDF document text
    • http://www.gorillawalker.com/dead-matter-the-meaning-of-iconic-corpses.pdfIn PDF document text
    • http://www.gorillawalker.com/ecocritical-explorations-in-literary-and-cultural-studies-fences-boundaries-and.pdfIn PDF document text
    • http://www.gorillawalker.com/violin-concerto-op-64-kalmus-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/cathedrals-and-castles-building-in-the-middle-ages.pdfIn PDF document text
    • http://www.gorillawalker.com/flash-flood-code-red-kindle-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/those-incredible-christians.pdfIn PDF document text
    • http://www.gorillawalker.com/the-garmin-nuvi-pocket-guide.pdfIn PDF document text
    • http://www.gorillawalker.com/the-driving-instructor-s-guide-to-effective-selling-skills.pdfIn PDF document text
    • http://www.gorillawalker.com/oracular-law-and-priestly-historiography-in-the-torah-forschungen-zum.pdfIn PDF document text
    • http://www.gorillawalker.com/jamaica-the-summer-land.pdfIn PDF document text
    • http://www.gorillawalker.com/romantic-image-routledge-classics.pdfIn PDF document text
    • http://www.gorillawalker.com/strategies-in-academic-discourse-studies-in-corpus-linguistics.pdfIn PDF document text
    • http://www.gorillawalker.com/yiddish-for-dogs-chutzpah-feh-kibbitz-and-more-every-word.pdfIn PDF document text
    • http://www.gorillawalker.com/gregory-s-compact-sydney-street-directory.pdfIn PDF document text
    • http://www.gorillawalker.com/sleazy-magazines-and-book-covers-of-the-past-sleazy-magazine.pdfIn PDF document text
    • http://www.gorillawalker.com/interpreting-art-reflecting-wondering-and-responding.pdfIn PDF document text
    • http://www.gorillawalker.com/social-learning-theory.pdfIn PDF document text
    • http://www.gorillawalker.com/fodor-s-southern-california-2010-with-central-coast-yosemite-los.pdfIn PDF document text
    • http://www.gorillawalker.com/accidentally-in-love.pdfIn PDF document text
    • http://www.gorillawalker.com/managing-the-unknowable-strategic-boundaries-between-order-and-chaos-in.pdfIn PDF document text
    • http://www.gorillawalker.com/the-vampire-of-croglin.pdfIn PDF document text
    • http://www.gorillawalker.com/rose-of-dutcher-s-coolly.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://www.aiim.org/pdfa/ns/extension/In PDF document text
    • http://www.aiim.org/pdfa/ns/schema#In PDF document text
    • http://www.aiim.org/pdfa/ns/property#In PDF document text
    • http://www.aiim.org/pdfa/ns/id/In PDF document text

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