Malicious PDF — malware analysis report

Static analysis result for SHA-256 426c3450f0e195c7…

MALICIOUS

PDF

43.0 KB Created: 2018-12-15 20:03:04 +03:00 Authoring application: - (via htmldoc 1.8.27 Copyright 1997-2006 Easy Software Products, All Rights Reserved.)
MD5: c81193a3f38d6cece9c6260706c6df39 SHA-1: e01e772c394728b893a0fa6eb64051c83b338ba8 SHA-256: 426c3450f0e195c7a5a79f1b6525e5401914d3148e67507a06615ded9f522df9
90 Risk Score

Malware Insights

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

The PDF was flagged by a machine learning classifier and contains a large number of external links, indicating a potential SEO spam or content distribution attack. The heuristic 'PDF_SEO_LINK_FARM' specifically calls out a mass external PDF link farm. While no scripts were extracted, the sheer volume of links suggests a malicious intent to direct users to potentially harmful content or manipulate search engine rankings. The document body was heavily truncated and unreadable, preventing further analysis of its specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8242

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/the-grand-experiment-law-and-legal-culture-in-british-settler.pdf
    • http://www.gorillawalker.com/color-my-needlepoint-predictable-results-volume-1.pdf
    • http://www.gorillawalker.com/longfellow-selected-poems-penguin-classics.pdf
    • http://www.gorillawalker.com/one-life-how-the-u-s-supreme-court-deliberately-distorted.pdf
    • http://www.gorillawalker.com/mind-control-mastery-successful-guide-to-human-psychology-and-manipulation.pdf
    • http://www.gorillawalker.com/warsaw-miniguide-exp-mg595.pdf
    • http://www.gorillawalker.com/hockey-champions-1994-year-in-sports-1994-new-york-rangers.pdf
    • http://www.gorillawalker.com/w-a-mozart-horn-concerto-no-4.pdf
    • http://www.gorillawalker.com/family-work-a-nosology-and-approach-to-family-tasks-and.pdf
    • http://www.gorillawalker.com/birds-of-sri-lanka-helm-field-guides.pdf
    • http://www.gorillawalker.com/zone-selected-poems.pdf
    • http://www.gorillawalker.com/rights-deportation-and-detention-in-the-age-of-immigration-control.pdf
    • http://www.gorillawalker.com/fallujah-iraq-2004-force-on-force.pdf
    • http://www.gorillawalker.com/opened-secrets-nine-great-bible-mysteries.pdf
    • http://www.gorillawalker.com/international-perspectives-on-social-security-reform.pdf
    • http://www.gorillawalker.com/club-centerfolds-bridgette-skies-book-3.pdf
    • http://www.gorillawalker.com/aufforderung-zum-tanze-op-65-arrangement-for-orchestra-bassoon-3.pdf
    • http://www.gorillawalker.com/soft-tissue-and-esthetic-considerations-in-implant-therapy.pdf
    • http://www.gorillawalker.com/interdisciplinary-approaches-to-nonlinear-complex-systems-springer-series-in-synergetics.pdf
    • http://www.gorillawalker.com/bach-six-sonatas-for-violin-and-piano-harpsichord.pdf
    • http://www.gorillawalker.com/changing-business-from-the-inside-out-a-tree-hugger-s.pdf
    • http://www.gorillawalker.com/the-war-of-1812-kindle-edition.pdf
    • http://www.gorillawalker.com/new-year-s-resolution.pdf
    • http://www.gorillawalker.com/stafford-county-va-atlas.pdf
    • http://www.gorillawalker.com/the-icon-handbook-a-guide-to-understanding-icons-and-the.pdf
    • http://www.gorillawalker.com/we-re-not-monsters-teens-speak-out-about-teens-in.pdf
    • http://www.gorillawalker.com/christmas-carols-tenor-sax-hal-leonard-instrumental-play-along.pdf
    • http://www.gorillawalker.com/code-of-federal-regulations-title-9-animals-and-animal-products.pdf
    • http://www.gorillawalker.com/stilwell-and-the-american-experience-in-china-1911-1945.pdf
    • http://www.gorillawalker.com/ruba-iyat-of-rumi.pdf
    • http://www.gorillawalker.com/killed-in-action-the-life-and-times-of-sp4-stephen.pdf
    • http://www.gorillawalker.com/prostate-cancer-a-non-surgical-perspective.pdf
    • http://www.gorillawalker.com/chemometrics-in-excel.pdf
    • http://www.gorillawalker.com/nebraska-millionaire.pdf
    • http://www.gorillawalker.com/the-2nd-rhodesia-regiment-in-east-africa.pdf
    • http://www.gorillawalker.com/iron-soldiers-how-america-s-1st-armored-division-crushed-iraq.pdf
    • http://www.gorillawalker.com/german-homoeopathic-pharmacopoeia-second-supplement-2006.pdf
    • http://www.gorillawalker.com/russell-james.pdf
    • http://www.gorillawalker.com/overwhelmed-second-edition.pdf
    • http://www.gorillawalker.com/dangerous-weapons-1e4e5-dazzle-your-opponents-in-the-open-games.pdf
    • http://www.gorillawalker.com/mind-control-mastery-successful-g
    • 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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