Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ae074fdacfc4601…

MALICIOUS

PDF

43.3 KB Created: 2019-04-30 16:29:00 +03:00 Authoring application: TeX (via pdfTeX-1.40.16)
MD5: 16fb0be0afe0fc7f22781dc9aa0f146f SHA-1: ce4af11c73fcfc4e6dc72994c02cdf5c64dc0760 SHA-256: 2ae074fdacfc4601f25a0f4592c1d00edca7487299ea43c40918009a86858a9c
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF contains a large number of embedded URLs pointing to PDF files on the domain www.gorillawalker.com. The heuristic 'PDF_SEO_LINK_FARM' indicates this is a link farm, suggesting a malicious intent to manipulate search engine results or distribute content. The ML classifier also flagged the PDF as malicious. No scripts were extracted, and the document body was unreadable, but the sheer volume of links strongly suggests a malicious purpose.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9171

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/public-utilities-and-the-law.pdf
    • http://www.gorillawalker.com/daneshvar-s-playhouse-a-collection-of-stories.pdf
    • http://www.gorillawalker.com/improve-your-iq-over-500-mind-bending-puzzles.pdf
    • http://www.gorillawalker.com/sci-rotica-1.pdf
    • http://www.gorillawalker.com/study-and-master-mathematics-grade-11-teacher-s-guide.pdf
    • http://www.gorillawalker.com/princess-kiara-s-interracial-adventures-collection-medieval-group-bdsm-erotica.pdf
    • http://www.gorillawalker.com/the-history-of-the-kings-of-britain.pdf
    • http://www.gorillawalker.com/elsie-at-nantucket-elsie-dinsmore-collection-hardcover-10-elsie-at.pdf
    • http://www.gorillawalker.com/heavenly-love.pdf
    • http://www.gorillawalker.com/duty-and-desire.pdf
    • http://www.gorillawalker.com/neckties-a-practical-guide-to-buying-tying-wearing-and-caring.pdf
    • http://www.gorillawalker.com/wrongs-and-remedies-in-the-twenty-first-century.pdf
    • http://www.gorillawalker.com/la-historia-del-hockey-historia-de-los-deportes-spanish-edition.pdf
    • http://www.gorillawalker.com/roadside-mba-back-road-lessons-for-entrepreneurs-executives-and-small.pdf
    • http://www.gorillawalker.com/geography-on-file-153-2004-update-geography-on-file-updates.pdf
    • http://www.gorillawalker.com/jon-secada-heart-soul-and-a-voice-songbook.pdf
    • http://www.gorillawalker.com/prelude-to-blitzkrieg-the-1916-austro-german-campaign-in-romania.pdf
    • http://www.gorillawalker.com/greek-prose-usage.pdf
    • http://www.gorillawalker.com/stories-from-judaism-stories-from-faiths.pdf
    • http://www.gorillawalker.com/maribor-city-guide.pdf
    • http://www.gorillawalker.com/bound-by-blood-part-7.pdf
    • http://www.gorillawalker.com/primer-nivel-aprende-armonia-facilmente-spanish-edition-of-step-one.pdf
    • http://www.gorillawalker.com/3dtv-processing-and-transmission-of-3d-video-signals.pdf
    • http://www.gorillawalker.com/best-practices-for-a-healthy-heart-how-to-stop-heart.pdf
    • http://www.gorillawalker.com/latch-up-detection-and-cancellation-in-cmos-vlsi-circuits.pdf
    • http://www.gorillawalker.com/wisconsin-poets-calendar-2008.pdf
    • http://www.gorillawalker.com/geochemical-exploration-methods-for-mineral-deposits.pdf
    • http://www.gorillawalker.com/global-motivations-honda-toyota-and-the-drive-toward-american-manufacturing.pdf
    • http://www.gorillawalker.com/springtime-weather-wonders-pack-a-nonfiction-picture-books-springtime-weather.pdf
    • http://www.gorillawalker.com/the-learned-collector-mythological-statuettes-and-classical-taste-in-late.pdf
    • http://www.gorillawalker.com/back-to-salem.pdf
    • http://www.gorillawalker.com/welcome-new-orleans-shopping-dining-entertainment-sports-sightseeing-cultural-scene.pdf
    • http://www.gorillawalker.com/understanding-american-government-with-coursereader-0-30-american-government-printed.pdf
    • http://www.gorillawalker.com/chasing-the-dragon-into-the-heart-of-the-golden-triangle.pdf
    • http://www.gorillawalker.com/intended-for-mature-audiences.pdf
    • http://www.gorillawalker.com/in-memory-of-my-cruise-to-honolulu-the-philippines-the.pdf
    • http://www.gorillawalker.com/leadership-and-self-deception-getting-out-of-the-box-unabridged.pdf
    • http://www.gorillawalker.com/shooter-s-bible-guide-to-home-defense-a-comprehensive-handbook.pdf
    • http://www.gorillawalker.com/man-made-kindle-edition.pdf
    • http://www.gorillawalker.com/three-languages-conversation-travel-guide-japanese-myanmar-english-thu-kha.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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