Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec39f4ba58ca4da6…

MALICIOUS

PDF

40.9 KB Created: 2018-12-15 20:04:06 +03:00 Authoring application: - (via Acrobat Distiller 5.0.5 (Windows))
MD5: 4d38bdf941cc0b9b6a3adc476d06ce62 SHA-1: e31eb877530ae934362b30780e4fdc5e8eea6fe3 SHA-256: ec39f4ba58ca4da6c156916cc4c832ac4ef8444228925c946b7297af91e1d95a
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file exhibits a critical heuristic firing for a link farm, containing 32 external links, predominantly hosted on www.gorillawalker.com. While no scripts were extracted, the sheer volume of embedded URLs suggests an attempt to manipulate search engine results or distribute further malicious content. The document body was unreadable, limiting further analysis of its specific lure.

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/2013-premier-golf-deluxe-wall-calendar.pdf
    • http://www.gorillawalker.com/hide-and-seek-sisterhood-book-8-kindle-edition.pdf
    • http://www.gorillawalker.com/entre-dos-mundos-spanish-edition.pdf
    • http://www.gorillawalker.com/the-epidemiology-of-multiple-sclerosis.pdf
    • http://www.gorillawalker.com/ubu-drama-classics.pdf
    • http://www.gorillawalker.com/oxidation-and-reduction-in-organic-synthesis-oxford-chemistry-primers-6.pdf
    • http://www.gorillawalker.com/task-force-three-and-the-irish-jewel-the-men-of.pdf
    • http://www.gorillawalker.com/ein-herz-und-ein-sinn-op-323-keyboard-conductor-score.pdf
    • http://www.gorillawalker.com/the-complete-peanuts-1963-1966-box-set.pdf
    • http://www.gorillawalker.com/the-poisoner-s-handbook-murder-and-the-birth-of-forensic.pdf
    • http://www.gorillawalker.com/polymer-matrix-composites-types-applications-and-performance-polymer-science-and.pdf
    • http://www.gorillawalker.com/earth-is-my-mother-sky-is-my-father-space-time.pdf
    • http://www.gorillawalker.com/chrysalis-kindle-edition.pdf
    • http://www.gorillawalker.com/piano-trio.pdf
    • http://www.gorillawalker.com/republicanism.pdf
    • http://www.gorillawalker.com/pillar-of-fire-moroni-traveler-series-book-8.pdf
    • http://www.gorillawalker.com/edly-s-music-theory-for-practical-people-2nd-edition.pdf
    • http://www.gorillawalker.com/ponle-oreja-a-tu-pareja-como-triunfar-en-pareja-sin.pdf
    • http://www.gorillawalker.com/glass-fiber-auto-body-construction-simplified.pdf
    • http://www.gorillawalker.com/farewell-to-dreams-a-novel-of-fatal-insomnia.pdf
    • http://www.gorillawalker.com/a-leading-role-for-midwives-evaluation-of-midwifery-group-practice.pdf
    • http://www.gorillawalker.com/distance-regular-graphs-ergebnisse-der-mathematik-und-ihrer-grenzgebiete-3.pdf
    • http://www.gorillawalker.com/a-treehouse-of-your-own-a-step-by-step-guide.pdf
    • http://www.gorillawalker.com/austrian-seven-years-war-infantry-and-engineers-uniforms-organisation-and.pdf
    • http://www.gorillawalker.com/right-wing-women.pdf
    • http://www.gorillawalker.com/diy-dentistry.pdf
    • http://www.gorillawalker.com/management-of-chemical-and-biological-samples-for-screening-applications.pdf
    • http://www.gorillawalker.com/soul-love-awakening-your-heart-centers-sanaya-roman.pdf
    • http://www.gorillawalker.com/biostatistics-for-the-health-sciences.pdf
    • http://www.gorillawalker.com/servicing-mr-insatiable-interracial-bdsm-erotica-dirty-divas-book-3.pdf
    • http://www.gorillawalker.com/dark-and-tangled-threads-of-crime-san-francisco-s-famous.pdf
    • http://www.gorillawalker.com/libre-de-estr-s-en-10-minutos-spanish-edition.pdf
    • http://www.gorillawalker.com/star-trek-captain-s-blood.pdf
    • http://www.gorillawalker.com/a-primary-source-history-of-the-colony-of-massachusetts-primary.pdf
    • http://www.gorillawalker.com/taken-by-a-demon-malleus-malificarum-book-1.pdf
    • http://www.gorillawalker.com/diagnosis-of-osteoporosis-prevention-treatment-2-chinese-edition.pdf
    • http://www.gorillawalker.com/the-complete-guide-to-growing-your-own-hops-malts-and.pdf
    • http://www.gorillawalker.com/quality-improvement-in-long-term-care-how-quality-improvement-can.pdf
    • http://www.gorillawalker.com/elliott-smith-essential-guitar-lyrics-tab-kindle-edition.pdf
    • http://www.gorillawalker.com/raymond-douillet-chevoleau.pdf
    • http://www.gorillawalker.com/ein-herz-und-ein-sinn-op-323-key
    • 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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