Malicious PDF — malware analysis report

Static analysis result for SHA-256 0266d956d0a60029…

MALICIOUS

PDF

43.7 KB Created: 2018-11-26 20:06:41 +03:00 Authoring application: Writer (via OpenOffice.org 2.0.3)
MD5: f3ced4c5a2e2e8dd6343b1768d1a9ad1 SHA-1: 12efc013aa53670c70a54e4f27931e858c818ed8 SHA-256: 0266d956d0a60029d2990edf267b6e4330c9c1cd60c42b421a92d8d67fa39697
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by a machine learning classifier and contains a significant number of embedded URLs, indicating a potential link farm or content hosting strategy. The heuristic 'PDF_SEO_LINK_FARM' specifically points to a mass of external PDF links, suggesting an attempt to manipulate search engine results or distribute further malicious content. While no scripts were extracted, the sheer volume of URLs and the ML classification strongly suggest malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8439

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/victor-the-rakehells-of-rochester.pdf
    • http://www.gorillawalker.com/focus-on-mexico-world-in-focus-world-almanac-library-paperback.pdf
    • http://www.gorillawalker.com/ugly-duckling-collection-1.pdf
    • http://www.gorillawalker.com/2008-country-profile-and-guide-to-mauritania-national-travel-guidebook.pdf
    • http://www.gorillawalker.com/les-motions-argument-es-dans-les-m-dias-ouvrage-de.pdf
    • http://www.gorillawalker.com/the-american-cranberry.pdf
    • http://www.gorillawalker.com/indonesia-insight-guides.pdf
    • http://www.gorillawalker.com/agent-jane-and-her-daddy.pdf
    • http://www.gorillawalker.com/democratisation-in-the-age-of-hiv-aids.pdf
    • http://www.gorillawalker.com/el-arte-de-negociar-y-persuadir.pdf
    • http://www.gorillawalker.com/haggadah-for-the-vegetarian-family.pdf
    • http://www.gorillawalker.com/history-is-wrong.pdf
    • http://www.gorillawalker.com/slaves-of-the-empire-the-aaron-travis-erotic-library-book.pdf
    • http://www.gorillawalker.com/harrod-s-librarians-glossary-and-reference-book-a-directory-of.pdf
    • http://www.gorillawalker.com/between-two-silences-talking-with-peter-brook.pdf
    • http://www.gorillawalker.com/the-barbie-doll-years-a-comprehensive-listing-value-guide-of.pdf
    • http://www.gorillawalker.com/by-seton-lloyd-ancient-turkey-a-traveller-s-history-3.pdf
    • http://www.gorillawalker.com/southwest-treasure-hunter-s-gem-mineral-guide-where-how-to.pdf
    • http://www.gorillawalker.com/patterns-and-designs-from-the-twenties-in-full-color-dover.pdf
    • http://www.gorillawalker.com/hurt-feelings-among-new-aquaintances-moderating-effects-of-interpersonal-familiarity.pdf
    • http://www.gorillawalker.com/seo-like-i-m-5-the-ultimate-beginner-s-guide.pdf
    • http://www.gorillawalker.com/remo-venturi-and-the-golden-age-of-motorcycle-racing-winner.pdf
    • http://www.gorillawalker.com/before-we-were-free.pdf
    • http://www.gorillawalker.com/holding-wonder.pdf
    • http://www.gorillawalker.com/epic-lessons-an-introduction-to-ancient-didactic-poetry.pdf
    • http://www.gorillawalker.com/minerals-yearbook-2009-v-3-area-reports-international-asia-and.pdf
    • http://www.gorillawalker.com/the-playboy-and-the-rat-the-story-of-james-hunt.pdf
    • http://www.gorillawalker.com/post-socialism-is-not-dead-re-reading-the-global-in.pdf
    • http://www.gorillawalker.com/los-alemanes-en-venezuela-desde-colon-hasta-guzman-blanco-spanish.pdf
    • http://www.gorillawalker.com/miracle-juices-energize-juices-to-invigorate.pdf
    • http://www.gorillawalker.com/ios-8-programming-fundamentals-with-swift-xcode-and-cocoa-basics.pdf
    • http://www.gorillawalker.com/too-many-tables.pdf
    • http://www.gorillawalker.com/the-great-snake-stories-from-the-amazon.pdf
    • http://www.gorillawalker.com/cape-town.pdf
    • http://www.gorillawalker.com/sport-in-america-builder-of-character-or-characters.pdf
    • http://www.gorillawalker.com/principles-of-critical-care.pdf
    • http://www.gorillawalker.com/mudras.pdf
    • http://www.gorillawalker.com/asking-the-right-questions-11th-edition.pdf
    • http://www.gorillawalker.com/the-christian-atheist-participant-s-guide-with-dvd-believing-in.pdf
    • http://www.gorillawalker.com/lehrbuch-der-entomologie-german-edition.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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