Malicious PDF — malware analysis report

Static analysis result for SHA-256 c70a7096a2d2d30d…

MALICIOUS

PDF

46.0 KB Created: 2018-12-07 18:27:39 +03:00 Authoring application: calibre 0.9.8 [http://calibre-ebook.com] (via PoDoFo - http://podofo.sf.net)
MD5: 0828abdd62e1cb8248ffcb159d20893a SHA-1: 7c0426125aeac8eab93c5c0dbdd0b689ac216049 SHA-256: c70a7096a2d2d30dc5a20cd42e88ba9da560ba14a9b9a874404c8b2db22b4c91
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded links to external PDF documents, 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 from this sample, and the document body was heavily truncated, limiting further analysis of the specific intent beyond link distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8173

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/because-he-loves-me-how-christ-transforms-our-daily-life.pdf
    • http://www.gorillawalker.com/absoft-unveils-pro-fortran-v10-1-for-windows-an-article.pdf
    • http://www.gorillawalker.com/where-are-the-customers-yachts-or-a-good-hard-look.pdf
    • http://www.gorillawalker.com/soviet-bus-stops.pdf
    • http://www.gorillawalker.com/austin-healey-the-bulldog-breed-haynes-classic-makes.pdf
    • http://www.gorillawalker.com/the-battle-of-the-little-bighorn-in-united-states-history.pdf
    • http://www.gorillawalker.com/movement-disorders-a-video-atlas-current-clinical-neurology.pdf
    • http://www.gorillawalker.com/an-insider-s-guide-to-the-general-hospital-fan-club.pdf
    • http://www.gorillawalker.com/destination-work.pdf
    • http://www.gorillawalker.com/spinning-and-dyeing-yarn-the-home-spinners-guide-to-creating.pdf
    • http://www.gorillawalker.com/switzerland-marco-polo-guide-marco-polo-guides.pdf
    • http://www.gorillawalker.com/fire-games-pyforial-mage-trilogy-book-1-unabridged-audible-audio.pdf
    • http://www.gorillawalker.com/the-association-of-q.pdf
    • http://www.gorillawalker.com/modeling-of-magnetoelectric-effects-in-composites-springer-series-in-materials.pdf
    • http://www.gorillawalker.com/multicriteria-optimization.pdf
    • http://www.gorillawalker.com/meaning-and-being-in-myth.pdf
    • http://www.gorillawalker.com/space-slave-collection.pdf
    • http://www.gorillawalker.com/the-administrative-behavior-of-federal-bureau-chiefs.pdf
    • http://www.gorillawalker.com/keep-it-shut-what-to-say-how-to-say-it.pdf
    • http://www.gorillawalker.com/colloquial-cambodian-the-complete-course-for-beginners-audio-cd.pdf
    • http://www.gorillawalker.com/envision-math-common-core-grade-5.pdf
    • http://www.gorillawalker.com/scout-s-honor-kindle-edition.pdf
    • http://www.gorillawalker.com/by-francie-wolgin-advanced-skills-for-nursing-assistants-1st-first.pdf
    • http://www.gorillawalker.com/matrix-theory-and-linear-algebra.pdf
    • http://www.gorillawalker.com/schoolspeak-common-phrases-and-what-they-really-mean-from-the.pdf
    • http://www.gorillawalker.com/chinese-cooking-outstanding-peking-szechwan-cantonese-and-shantung-dishes-an.pdf
    • http://www.gorillawalker.com/harmonic-trading-volume-two-advanced-strategies-for-profiting-from-the.pdf
    • http://www.gorillawalker.com/the-language-of-pain-finding-words-compassion-and-relief.pdf
    • http://www.gorillawalker.com/one-year-to-an-organized-financial-life-from-your-bills.pdf
    • http://www.gorillawalker.com/handbook-for-hosts-a-practical-guide-to-party-planning-and.pdf
    • http://www.gorillawalker.com/the-silk-industry-in-america-prepared-for-the-centennial-exposition.pdf
    • http://www.gorillawalker.com/pediatric-decision-making-strategies-pageburst-e-book-on-vitalsource-retail.pdf
    • http://www.gorillawalker.com/foundations-for-faith-design-for-discipleship-book-5-design-for.pdf
    • http://www.gorillawalker.com/trio-for-oboe-clarinet-and-bassoon-score.pdf
    • http://www.gorillawalker.com/the-complete-it-recruitment-survival-guide.pdf
    • http://www.gorillawalker.com/climate-changes-in.pdf
    • http://www.gorillawalker.com/action-making-movies-library-bound-time-for-kids-nonfiction-readers.pdf
    • http://www.gorillawalker.com/wake-up-sleepy-head-early-morning-poems-poems-for-the.pdf
    • http://www.gorillawalker.com/a-showcase-of-icelandic-national-treasures-survey-of-icelandic-art.pdf
    • http://www.gorillawalker.com/when-life-gives-you-lemons-remarkable-stories-of-people-overcoming.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://calibre-ebook.com
    • http://ns.adobe.com/pdf/1.3/
    • http://podofo.sf.net
    • 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#
    +1 more URL(s)

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