Malicious PDF — malware analysis report

Static analysis result for SHA-256 04b0c97bdd6af035…

MALICIOUS

PDF

42.8 KB Created: 2018-12-07 18:28:24 +03:00 Authoring application: Adobe InDesign CC 2015 (Windows) (via Adobe PDF Library 15.0)
MD5: 547052de93a9c2968ce78c793e4db067 SHA-1: c8cca3e37563ebccde69cdc2cd5fcb365f5f8e00 SHA-256: 04b0c97bdd6af035e54d81308f879ae0d0648fcbe51536cf95cdc003d99cf684
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or SEO manipulation tactic. ClamAV detection as Pdf.Dropper.Agent-7208478-0 and the ML classifier output further support its malicious nature. The embedded URLs are likely used to redirect users to malicious content or to improve search engine ranking for malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9181

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-7208478-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7208478-0
  • 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-thermodynamics-of-electrical-phenomena-in-metals-hardcover.pdf
    • http://www.gorillawalker.com/the-ultimate-wheat-belly-diet-for-beginners-lose-weight-quickly.pdf
    • http://www.gorillawalker.com/my-best-games-of-chess-1905-1954.pdf
    • http://www.gorillawalker.com/the-problem-of-sovereignty-in-the-later-middle-ages-the.pdf
    • http://www.gorillawalker.com/dali-jewels-the-collection-of-the-gala-salvador-dali.pdf
    • http://www.gorillawalker.com/art-and-science-of-dental-caries-research.pdf
    • http://www.gorillawalker.com/fair-food-stories-from-a-movement-changing-the-world.pdf
    • http://www.gorillawalker.com/the-runner-s-edge.pdf
    • http://www.gorillawalker.com/write-in-narcissist-habit-logbook-blank-books-you-can-write.pdf
    • http://www.gorillawalker.com/asia-new-true-books-geography.pdf
    • http://www.gorillawalker.com/optimized-asip-synthesis-from-architecture-description-language-models.pdf
    • http://www.gorillawalker.com/re-orienting-australia-china-relations-1972-to-the-present.pdf
    • http://www.gorillawalker.com/radical-prototypes-allan-kaprow-and-the-invention-of-happenings.pdf
    • http://www.gorillawalker.com/inspired-to-write-student-s-book-readings-and-tasks-to.pdf
    • http://www.gorillawalker.com/masteringnutrition-with-mydietanalysis-with-pearson-etext-standalone-access-card-for.pdf
    • http://www.gorillawalker.com/rough-and-raw-gay-slave-stories.pdf
    • http://www.gorillawalker.com/getting-paid-youth-crime-and-work-in-the-inner-city.pdf
    • http://www.gorillawalker.com/xml-pocket-consultant.pdf
    • http://www.gorillawalker.com/audio-cd-program-for-lovik-s-vorsprung-a-communicative-introduction.pdf
    • http://www.gorillawalker.com/goon-the-cartel-publications-presents.pdf
    • http://www.gorillawalker.com/zen-and-the-art-of-mixing.pdf
    • http://www.gorillawalker.com/ajuste-de-cuentas-c-mo-controlar-con-xito-tu-econom.pdf
    • http://www.gorillawalker.com/mosby-s-textbook-for-nursing-assistants-pageburst-e-book-on.pdf
    • http://www.gorillawalker.com/the-experienced-english-housekeeper-southover-press-historic-cookery-and-housekeeping.pdf
    • http://www.gorillawalker.com/cat-diseases-and-clinical-management-2-volume-set.pdf
    • http://www.gorillawalker.com/les-mille-et-un-fant-mes-la-femme-au-collier.pdf
    • http://www.gorillawalker.com/chaka-african-writers.pdf
    • http://www.gorillawalker.com/women-scientists-reflections-challenges-and-breaking-boundaries.pdf
    • http://www.gorillawalker.com/forex-al-alcance-de-todos-volumen-iii-desarrolla-tu-habilidad.pdf
    • http://www.gorillawalker.com/sweet-tooth-unabridged-audible-audio-edition.pdf
    • http://www.gorillawalker.com/photography-lighting-home-studio-setting-up-your-own-home-studio.pdf
    • http://www.gorillawalker.com/coherence-in-high-temperature-superconductors-tel-aviv-israel-1-3.pdf
    • http://www.gorillawalker.com/inglenook-cook-book.pdf
    • http://www.gorillawalker.com/right-to-the-top-port-hope-simpson-mysteries-book-7.pdf
    • http://www.gorillawalker.com/understanding-the-sacraments-holy-orders-understanding-the-sacraments-series.pdf
    • http://www.gorillawalker.com/simon-and-garfunkel-the-chord-songbook-paul-simon-simon-garfunkel.pdf
    • http://www.gorillawalker.com/determining-project-requirements-second-edition-mastering-the-babok-and-the.pdf
    • http://www.gorillawalker.com/el-laberinto-del-minotauro-labyrinth-of-the-minotaur-leyendas-negras.pdf
    • http://www.gorillawalker.com/the-timely-rain-travels-in-new-tibet.pdf
    • http://www.gorillawalker.com/la-favorite-act-iv-duetto-e-finale-soprano-tenor-pietoso.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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