Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c57760c2ed4e8b1…

MALICIOUS

PDF

34.3 KB Created: 2019-09-19 05:47:08 +03:00 Authoring application: - (via Acrobat Distiller 7.0.5 (Windows))
MD5: fe89acb6a99edef77352b14c5924f4f1 SHA-1: 42961d9e59979f10ee38158c0e295c62dc6d303c SHA-256: 7c57760c2ed4e8b1031b3f10affaf4f883c29f3dabbc70c847406451caa2beef
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF contains a large number of embedded URLs pointing to external PDF files on the same domain, as indicated by the PDF_SEO_LINK_FARM heuristic. This suggests a link farm or a method to distribute a large volume of content, potentially for SEO manipulation or to host malicious payloads. No scripts were extracted from this sample, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8018

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/sickness-and-wealth-the-corporate-assault-on-global-health.pdf
    • http://www.gorillawalker.com/the-strategy-and-tactics-of-pricing-a-guide-to-profitable.pdf
    • http://www.gorillawalker.com/the-st-gregory-hymnal-and-catholic-choir-book-singers-edition.pdf
    • http://www.gorillawalker.com/smoothies-for-weight-loss-39-delicious-smoothies-recipes-for-weight.pdf
    • http://www.gorillawalker.com/living-the-blessed-life.pdf
    • http://www.gorillawalker.com/the-gospel-music-from-the-motion-picture-soundtrack.pdf
    • http://www.gorillawalker.com/fasting-study-guide.pdf
    • http://www.gorillawalker.com/sedimentology-and-stratigraphy-kindle-edition.pdf
    • http://www.gorillawalker.com/one-dark-night-berkley-sensation.pdf
    • http://www.gorillawalker.com/come-thirsty-church-kit-level-1.pdf
    • http://www.gorillawalker.com/routledge-library-editions-epistemology-truth-knowledge-and-causation.pdf
    • http://www.gorillawalker.com/power-meaning-and-identity-essays-in-critical-educational-studies-counterpoints.pdf
    • http://www.gorillawalker.com/mastering-homebrew-the-complete-guide-to-brewing-delicious-beer-kindle.pdf
    • http://www.gorillawalker.com/goh-keng-swee-and-southeast-asian-governance.pdf
    • http://www.gorillawalker.com/lost-in-time-ii-an-unexpected-love-story-volume-2.pdf
    • http://www.gorillawalker.com/embroidering-the-scarlet-a-unwed-mothers-and-illegitimate-children-in.pdf
    • http://www.gorillawalker.com/bold-seduction-the-hornsby-brothers-book-1.pdf
    • http://www.gorillawalker.com/dubrovnik-croatia.pdf
    • http://www.gorillawalker.com/the-capra-touch-a-study-of-the-director-s-hollywood.pdf
    • http://www.gorillawalker.com/stay-illusion-the-hamlet-doctrine.pdf
    • http://www.gorillawalker.com/risk-challenge-and-adventure-in-the-early-years-a-practical.pdf
    • http://www.gorillawalker.com/auriculas-their-care-and-cultivation.pdf
    • http://www.gorillawalker.com/applying-the-principles-of-highly-resilient-organizations-and-sensemaking-to.pdf
    • http://www.gorillawalker.com/lesbian-gas-mask-perverts-must-be-stopped.pdf
    • http://www.gorillawalker.com/animate-earth-science-intuition-and-gaia.pdf
    • http://www.gorillawalker.com/encounter-with-evil.pdf
    • http://www.gorillawalker.com/the-bible-made-easy-a-book-by-book-introduction.pdf
    • http://www.gorillawalker.com/vector-calculus-books-a-la-carte-edition-4th-edition.pdf
    • http://www.gorillawalker.com/das-ebook-und-69-andere-erfindungen-die-unser-leben-ver.pdf
    • http://www.gorillawalker.com/how-to-prepare-for-the-mechanical-aptitude-and-spatial-relations.pdf
    • http://www.gorillawalker.com/my-heart-is-like-a-zoo.pdf
    • http://www.gorillawalker.com/the-remarkable-prayers-of-the-bible-transforming-power-for-your.pdf
    • http://www.gorillawalker.com/multicultural-family-art-therapy-family-therapy-and-counseling.pdf
    • http://www.gorillawalker.com/autobiography-of-mark-twain-vol-2.pdf
    • http://www.gorillawalker.com/perfect-phrases-for-documenting-employee-performance-problems-perfect-phrases-series.pdf
    • http://www.gorillawalker.com/star-trek-the-art-of-juan-ortiz-hardback-common.pdf
    • http://www.gorillawalker.com/how-to-get-a-dream-job-in-pharmaceutical-sales-direct.pdf
    • http://www.gorillawalker.com/the-american-legal-system-for-foreign-lawyers-aspen-coursebook-series.pdf
    • http://www.gorillawalker.com/a-discerning-eye-the-walter-c-koerner-collection-of-european.pdf
    • http://www.gorillawalker.com/industrial-pharmaceutical-biotechnology.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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