Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d8a929030d22284…

MALICIOUS

PDF

34.1 KB Created: 2019-12-14 02:11:22 +03:00 Authoring application: Word (via Mac OS X 10.10.5 Quartz PDFContext)
MD5: 4820f4806d74f680acd3632e91faaa62 SHA-1: 34ad6291cfb78ee2d1cbc2bc573b8b9ea57d6f08 SHA-256: 9d8a929030d22284c83d1fe3f09f42b6df05064c9fd042dedce9c7c5a49b5cfc
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8313

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/anna-karenina-in-russian-russian-edition.pdf
    • http://www.gorillawalker.com/drinking-and-driving-now-what-teen-life-411.pdf
    • http://www.gorillawalker.com/reading-the-signs-a-sensible-approach-to-revelation-and-other.pdf
    • http://www.gorillawalker.com/the-ultimate-guide-to-madeleines-experience-delicious-french-pastries-through.pdf
    • http://www.gorillawalker.com/ghosts-of-the-uss-yorktown-the-phantoms-of-patriots-point.pdf
    • http://www.gorillawalker.com/teaching-intelligence-in-the-mid-1980s-a-survey-of-college.pdf
    • http://www.gorillawalker.com/the-speciation-of-modern-homo-sapiens-proceedings-of-the-british.pdf
    • http://www.gorillawalker.com/dearly-nearly-insincerely-what-is-an-adverb-words-are-categorical.pdf
    • http://www.gorillawalker.com/mcdougal-littell-literature-grammar-for-writing-grade-11-american-literature.pdf
    • http://www.gorillawalker.com/beat-it-program-your-own-drum-and-percussion-patterns.pdf
    • http://www.gorillawalker.com/pornography-the-production-and-consumption-of-inequality.pdf
    • http://www.gorillawalker.com/outlaws-gunslingers-and-thieves-shock-zone-villains.pdf
    • http://www.gorillawalker.com/the-ultimate-r-b-song-development-guide-for-keyboards-vol.pdf
    • http://www.gorillawalker.com/programming-the-intel-edison-getting-started-with-processing-and-python.pdf
    • http://www.gorillawalker.com/el-gran-libro-del-kefir-the-big-kefir-book-salud.pdf
    • http://www.gorillawalker.com/philip-johnson-texas.pdf
    • http://www.gorillawalker.com/ethics-computing-and-genomics.pdf
    • http://www.gorillawalker.com/welcome-to-the-rat-race-mega-mini-kits.pdf
    • http://www.gorillawalker.com/plant-tissue-culture-engineering-focus-on-biotechnology.pdf
    • http://www.gorillawalker.com/the-road-to-goonong.pdf
    • http://www.gorillawalker.com/what-every-pregnant-woman-should-know.pdf
    • http://www.gorillawalker.com/alceste-vo-sc-paper-it-only-ricordi-opera-vocal-score.pdf
    • http://www.gorillawalker.com/a-step-at-the-time-the-autobiography-of-the-world.pdf
    • http://www.gorillawalker.com/the-lost-secret-of-death-our-divided-souls-and-the.pdf
    • http://www.gorillawalker.com/command-decision-vatta-s-war-book-4.pdf
    • http://www.gorillawalker.com/fostergirls-kindle-edition.pdf
    • http://www.gorillawalker.com/flexible-circuit-technology.pdf
    • http://www.gorillawalker.com/dynamic-gwinnett-legacy-life-and-vision.pdf
    • http://www.gorillawalker.com/lasciami-non-t-ascolto-no-27-from-tancredi-act-2.pdf
    • http://www.gorillawalker.com/john-wesley-s-sermons-an-introduction.pdf
    • http://www.gorillawalker.com/strategic-planning-made-easy-for-nonprofit-organizations.pdf
    • http://www.gorillawalker.com/code-of-canon-law-annotated-prepared-under-the-responsibility-of.pdf
    • http://www.gorillawalker.com/seagirl.pdf
    • http://www.gorillawalker.com/kaplan-mcat-verbal-reasoning-strategy.pdf
    • http://www.gorillawalker.com/material-beings.pdf
    • http://www.gorillawalker.com/the-lion-storyteller-bedtime-book.pdf
    • http://www.gorillawalker.com/en-finir-avec-les-allergies-et-intolerances-aux-sulfites-french.pdf
    • http://www.gorillawalker.com/relentless-lord.pdf
    • http://www.gorillawalker.com/jephtha-1752-kalmus-edition.pdf
    • http://www.gorillawalker.com/masturbation-kindle-edition.pdf
    • http://www.gorillawalke
    • 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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