Malicious PDF — malware analysis report

Static analysis result for SHA-256 62e08519fba72d2a…

MALICIOUS

PDF

37.7 KB Created: 2018-11-30 20:34:23 +03:00 Authoring application: PSCRIPT.DRV Version 4.0 (via Acrobat Distiller 3.01 for Windows)
MD5: f76441257d82b5f40b63da132c843060 SHA-1: 1d372b79eef4bf55b4e44654cb3c9580e611e6dc SHA-256: 62e08519fba72d2a968101f8e2b6f73e21ed1bf9fda61bf6d0cc06d073630004
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, suggesting a link farm or SEO spamming technique. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the sheer volume of external links points to a malicious intent, likely to drive traffic or potentially host malicious content on linked sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8357

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/burmese-lives-ordinary-life-stories-under-the-burmese-regime.pdf
    • http://www.gorillawalker.com/erotica-the-billionaire-chasing-the-billionaire-chasing-book-1.pdf
    • http://www.gorillawalker.com/yu-gi-oh-rule-book-prima-s-official-strategy-guide.pdf
    • http://www.gorillawalker.com/shemale-lesbian-gangbang-orgy-shemale-lesbian-gangbang-book-2.pdf
    • http://www.gorillawalker.com/billionaire-series-box-set.pdf
    • http://www.gorillawalker.com/transient-induced-latchup-in-cmos-integrated-circuits.pdf
    • http://www.gorillawalker.com/cindy-s-honor-thoroughbred-series-23.pdf
    • http://www.gorillawalker.com/central-tuscany-le-crete-and-the-val-d-orcia-inside.pdf
    • http://www.gorillawalker.com/the-cloud-of-unknowing-teams-middle-english-texts-kalamazoo.pdf
    • http://www.gorillawalker.com/volcano-leap-through-time.pdf
    • http://www.gorillawalker.com/individualized-dementia-care-creative-compassionate-approaches.pdf
    • http://www.gorillawalker.com/the-rise-of-the-fourth-reich.pdf
    • http://www.gorillawalker.com/redes-de-pasi.pdf
    • http://www.gorillawalker.com/secret-maneuvers-ex-ops-volume-1.pdf
    • http://www.gorillawalker.com/modos-de-ver-comunicacion-visual-spanish-edition.pdf
    • http://www.gorillawalker.com/citizen-lobbyists-local-efforts-to-influence-public-policy.pdf
    • http://www.gorillawalker.com/dust-jacket.pdf
    • http://www.gorillawalker.com/therapeutic-touch.pdf
    • http://www.gorillawalker.com/hardwood-floors.pdf
    • http://www.gorillawalker.com/eros-revived-erotica-of-the-enlightenment-in-england-and-america.pdf
    • http://www.gorillawalker.com/maintenance-night.pdf
    • http://www.gorillawalker.com/the-round-house-kindle-edition.pdf
    • http://www.gorillawalker.com/juvenile-crime-opposing-viewpoints.pdf
    • http://www.gorillawalker.com/nephrology-clinical-cases-uncovered.pdf
    • http://www.gorillawalker.com/new-modes-of-governance-in-europe-governing-in-the-shadow.pdf
    • http://www.gorillawalker.com/abraham-lincoln-the-american-presidents-series-the-16th-president-1861.pdf
    • http://www.gorillawalker.com/focus-on-writing-3.pdf
    • http://www.gorillawalker.com/depression-overcome-depression-naturally-and-reclaim-your-life-depression-depression.pdf
    • http://www.gorillawalker.com/batfishing-in-the-rainforest-strange-tales-of-travel-and-fishing.pdf
    • http://www.gorillawalker.com/dream-cruising-destinations-24-classic-cruises-mapped-and-explored.pdf
    • http://www.gorillawalker.com/creative-and-performing-artists-for-teens-4-volume-set.pdf
    • http://www.gorillawalker.com/nutshell-tort-nutshells.pdf
    • http://www.gorillawalker.com/media-remix-cool-ideas-for-students.pdf
    • http://www.gorillawalker.com/the-dawn-of-courage-princesses-uncovered-book-2-kindle-edition.pdf
    • http://www.gorillawalker.com/patagonia-handbook-footprint-handbooks.pdf
    • http://www.gorillawalker.com/bees-wasps-and-ants-the-indispensable-role-of-hymenoptera-in.pdf
    • http://www.gorillawalker.com/chinese-student-migration-and-selective-citizenship-mobility-community-and-identity.pdf
    • http://www.gorillawalker.com/the-mexican-medical-tradition-the-clash-of-nahuatl-and-spanish.pdf
    • http://www.gorillawalker.com/finding-money-for-college-1998-1999.pdf
    • http://www.gorillawalker.com/designing-electrical-systems-based-on-the-1987-national-electrical-code.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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