Malicious PDF — malware analysis report

Static analysis result for SHA-256 de4e61b41e59c11a…

MALICIOUS

PDF

45.6 KB Created: 2018-12-02 10:56:39 +03:00 Authoring application: Adobe InDesign CS3 (5.0.2) (via Adobe PDF Library 8.0)
MD5: 367eb46f61c8112ffe021834febd9ee1 SHA-1: 11662aba97a81354d77d769f43d95228f89ef759 SHA-256: de4e61b41e59c11aef20aa4c922a3321415253757768841c0d2f30edb2aafead
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier and contains a significant number of embedded external links. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, suggesting the document's primary purpose is to distribute or link to other content, potentially malicious. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8600

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/iec-60068-2-20-ed-4-0-b-1979-environmental.pdf
    • http://www.gorillawalker.com/superfluous-women-a-daisy-dalrymple-mystery.pdf
    • http://www.gorillawalker.com/james-baldwin-escape-from-america-exile-in-provence.pdf
    • http://www.gorillawalker.com/the-art-of-war-36-stratagems-for-texas-hold-em.pdf
    • http://www.gorillawalker.com/weight-watchers-2012-july-august-move-it-lose-it-flaunt.pdf
    • http://www.gorillawalker.com/rapture-of-the-deep-being-an-account-of-the-further.pdf
    • http://www.gorillawalker.com/a-caregiver-s-guide-to-throat-cancer-honesty-hope-and.pdf
    • http://www.gorillawalker.com/love-eternal-books-1-2-kindle-edition.pdf
    • http://www.gorillawalker.com/las-hermanas-chicana-latina-religious-political-activism-in-the-u.pdf
    • http://www.gorillawalker.com/phil-hellmuth-presents-read-em-and-reap-a-career-fbi.pdf
    • http://www.gorillawalker.com/caves-take-off-what-are.pdf
    • http://www.gorillawalker.com/a-guidance-approach-for-the-encouraging-classroom.pdf
    • http://www.gorillawalker.com/astronomy-with-your-personal-computer.pdf
    • http://www.gorillawalker.com/a-voice-of-her-own-becoming-emily-dickinson.pdf
    • http://www.gorillawalker.com/delete-the-virtue-of-forgetting-in-the-digital-age-kindle.pdf
    • http://www.gorillawalker.com/buried-child-acting-edition.pdf
    • http://www.gorillawalker.com/inevitable-la-llave-de-su-destino-spanish-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/interact-psychotropic-drug-interactions-user-s-guide.pdf
    • http://www.gorillawalker.com/american-popular-songs-part-3-trombone-part.pdf
    • http://www.gorillawalker.com/the-philosophy-of-science-fiction-henri-bergson-and-the-fabulations.pdf
    • http://www.gorillawalker.com/bordeaux-royan-ign-green-top-100.pdf
    • http://www.gorillawalker.com/one-million-tattoos-designs-to-create-and-color-jian-yi.pdf
    • http://www.gorillawalker.com/darwinism-and-determinism.pdf
    • http://www.gorillawalker.com/mail-order-bride-the-bride-bounty-sweet-clean-romance-western.pdf
    • http://www.gorillawalker.com/advances-in-disease-vector-research-v-10.pdf
    • http://www.gorillawalker.com/photochemistry-volume-28-specialist-periodical-reports.pdf
    • http://www.gorillawalker.com/law-in-asia.pdf
    • http://www.gorillawalker.com/pure-romance-between-the-sheets-find-your-best-sexual-self.pdf
    • http://www.gorillawalker.com/bible-doctrine-for-older-children-book-b.pdf
    • http://www.gorillawalker.com/catholic-dictionary-an-abridged-and-updated-edition-of-modern-catholic.pdf
    • http://www.gorillawalker.com/going-under-quantum-gravity-kindle-edition.pdf
    • http://www.gorillawalker.com/the-end-of-sorrow-the-bhagavad-gita-for-daily-living.pdf
    • http://www.gorillawalker.com/photolysis-report.pdf
    • http://www.gorillawalker.com/strategic-contracting-for-health-systems-and-services.pdf
    • http://www.gorillawalker.com/student-testing-kit-bible-grades-7-through-12-lifepac.pdf
    • http://www.gorillawalker.com/japanese-sentence-pattern-dictionary-representation-to-use-at-any-time.pdf
    • http://www.gorillawalker.com/building-a-medical-vocabulary-with-spanish-translations-leonard-building-a.pdf
    • http://www.gorillawalker.com/nature-close-up-tadpoles.pdf
    • http://www.gorillawalker.com/mad-dogs-and-the-englishman.pdf
    • http://www.gorillawalker.com/respiratory-care-the-official-journal-of-the-american-association-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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