Malicious PDF — malware analysis report

Static analysis result for SHA-256 d37acc7eef4c3a20…

MALICIOUS

PDF

34.3 KB Created: 2020-02-08 18:24:25 +03:00 Authoring application: GPL Ghostscript 8.64 (via Adobe PDF Library 8.0)
MD5: e39163146b31958b5c2fa3e372321212 SHA-1: df2a0df910ad4f1c1b6664bc5ed62c3435eee06d SHA-256: d37acc7eef4c3a2024fdd03d8afb34cf43c56f7e70a506d08cd31fea73d20a85
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded URLs pointing to other PDF documents on the same domain, indicating a link farm or redirection strategy. This is likely intended to direct users to potentially malicious content or to manipulate search engine rankings. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8015

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/optical-formulas-tutorial-1e.pdf
    • http://www.gorillawalker.com/jeffrey-gitomer-s-little-red-book-of-sales-answers-99.pdf
    • http://www.gorillawalker.com/abdul-hamid-s-palestine.pdf
    • http://www.gorillawalker.com/specialty-crops-for-pacific-islands.pdf
    • http://www.gorillawalker.com/customer-loyalty-guaranteed-create-lead-and-sustain-remarkable-customer-service.pdf
    • http://www.gorillawalker.com/building-physics-and-applied-building-physics-package.pdf
    • http://www.gorillawalker.com/burial-terminology-a-guide-for-researchers.pdf
    • http://www.gorillawalker.com/webster-s-new-explorer-thesaurus.pdf
    • http://www.gorillawalker.com/gigabit-capable-passive-optical-networks-kindle-edition.pdf
    • http://www.gorillawalker.com/transfusion-medicine-self-assessment-and-review.pdf
    • http://www.gorillawalker.com/what-we-need-to-survive.pdf
    • http://www.gorillawalker.com/by-judicial-decree-6-indentured-servant.pdf
    • http://www.gorillawalker.com/texas-mental-health-law-a-sourcebook-for-mental-health-professionals.pdf
    • http://www.gorillawalker.com/conquering-heart-attacks-strokes-a-simple-10-step-plan-for.pdf
    • http://www.gorillawalker.com/talking-mma-what-a-teen-reporter-learned-from-the-world.pdf
    • http://www.gorillawalker.com/storm-of-steel.pdf
    • http://www.gorillawalker.com/the-lady-of-the-wheel.pdf
    • http://www.gorillawalker.com/ghost-bat-in-a-gum-tree.pdf
    • http://www.gorillawalker.com/crisp-network-marketing-the-business-of-the-90s-crisp-fifty.pdf
    • http://www.gorillawalker.com/merchant-of-prato.pdf
    • http://www.gorillawalker.com/city-kids-and-city-critters.pdf
    • http://www.gorillawalker.com/from-victim-to-survivor-the-emergence-and-development-of-the.pdf
    • http://www.gorillawalker.com/murder-with-ganache-a-key-west-food-critic-mystery.pdf
    • http://www.gorillawalker.com/cosmogirl-the-ultimate-quiz-book-discover-the-real-you-cosmogirl.pdf
    • http://www.gorillawalker.com/revolve-study-guide-mark.pdf
    • http://www.gorillawalker.com/soviet-secret-projects-fighters-since-1945-vol-2.pdf
    • http://www.gorillawalker.com/statistical-physics-student-physics-series.pdf
    • http://www.gorillawalker.com/music-solutions-dyspraxia-and-learning-to-play-a-musical-instrument.pdf
    • http://www.gorillawalker.com/politics-of-the-dispossessed-superpowers-and-developments-in-the-middle.pdf
    • http://www.gorillawalker.com/the-christmas-choir.pdf
    • http://www.gorillawalker.com/campbell-s-1-2-3-dinner.pdf
    • http://www.gorillawalker.com/how-to-read-a-paper.pdf
    • http://www.gorillawalker.com/essential-oils-for-allergies-a-complete-practical-guide-of-natural.pdf
    • http://www.gorillawalker.com/the-fantastic-menagerie-tarot-kit-based-on-the-incredible-animal.pdf
    • http://www.gorillawalker.com/applied-research-on-polymer-composites-aap-research-notes-on-polymer.pdf
    • http://www.gorillawalker.com/swindon-speedway-definitive-history.pdf
    • http://www.gorillawalker.com/word-division-spelling-manual-25-000-words.pdf
    • http://www.gorillawalker.com/new-practical-chinese-reader-textbook-6-chinese-edition.pdf
    • http://www.gorillawalker.com/matt-hatter-chronicles-hatter-tastic-activities-with-covermount.pdf
    • http://www.gorillawalker.com/dahl-s-law-dictionary-dictionnaire-juridique-dahl-french-to-english.pdf
    • http://www.gorillawalker.c
    • 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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