Malicious PDF — malware analysis report

Static analysis result for SHA-256 2eac69e90fa6d0f9…

MALICIOUS

PDF

44.8 KB Created: 2018-12-15 08:32:04 +03:00 Authoring application: Writer (via OpenOffice.org 1.1.2)
MD5: becda6da4de708b05bf7842b72f61495 SHA-1: 55f49f1f1c7a2c74e111267149d28fa7d1cb1ace SHA-256: 2eac69e90fa6d0f90d5664a42a1dc73cebd184219dd139787a5e5353d5878045
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged the document as malicious. While no scripts were extracted, the sheer volume of links suggests an attempt to manipulate search engine results or distribute potentially malicious content through these linked PDFs. The document body was unreadable, preventing a more specific assessment of the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7914

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/the-terrible-10-a-century-of-economic-folly.pdf
    • http://www.gorillawalker.com/tractates-on-the-gospel-of-john-55-111-foc-patristic.pdf
    • http://www.gorillawalker.com/perfect-enough-carly-fiorina-and-the-reinvention-of-hewlett-packard.pdf
    • http://www.gorillawalker.com/the-tao-te-ching-of-lao-tzu-a-new-translation.pdf
    • http://www.gorillawalker.com/stories-of-the-golden-west-book-3-unabridged-audible-audio.pdf
    • http://www.gorillawalker.com/how-to-land-a-top-paying-mental-health-technician-job.pdf
    • http://www.gorillawalker.com/cal-97-favorite-recipes-from-vegetarian-times.pdf
    • http://www.gorillawalker.com/the-viking-blitzkrieg-ad-789-1098.pdf
    • http://www.gorillawalker.com/moving-to-maui.pdf
    • http://www.gorillawalker.com/tableaux-de-provence-english-and-french-edition.pdf
    • http://www.gorillawalker.com/constitution.pdf
    • http://www.gorillawalker.com/richard-iii-from-contemporary-chronicles-letters-and-records.pdf
    • http://www.gorillawalker.com/futurama-2016-mask-a-month-calendar.pdf
    • http://www.gorillawalker.com/the-land-and-resources-of-texas-shaping-the-growth-of.pdf
    • http://www.gorillawalker.com/meeting-god-at-the-boundaries-a-manual-for-church-leaders.pdf
    • http://www.gorillawalker.com/stochastic-processes-in-polymeric-fluids-tools-and-examples-for-developing.pdf
    • http://www.gorillawalker.com/book-of-the-lambretta-all-125cc-150cc-models-1947-1957.pdf
    • http://www.gorillawalker.com/meditations-for-lent-kindle-edition.pdf
    • http://www.gorillawalker.com/evolving-transcendentalism-in-literature-and-architecture-frank-furness-louis-sullivan.pdf
    • http://www.gorillawalker.com/barr-s-the-human-nervous-system-an-anatomical-viewpoint-ninth.pdf
    • http://www.gorillawalker.com/the-ix-kindle-edition.pdf
    • http://www.gorillawalker.com/sports-psyching-playing-your-best-game-all-of-the-time.pdf
    • http://www.gorillawalker.com/the-firm-as-a-collaborative-community-the-reconstruction-of-trust.pdf
    • http://www.gorillawalker.com/the-ancient-gods-phoenix-giants.pdf
    • http://www.gorillawalker.com/empire-how-spain-became-a-world-power-1492-1763.pdf
    • http://www.gorillawalker.com/the-complete-idiot-s-guide-to-kabbalah-kindle-edition.pdf
    • http://www.gorillawalker.com/der-perfekte-bauch-so-bekommt-man-eine-sch.pdf
    • http://www.gorillawalker.com/goldmine-s-price-guide-to-alternative-records.pdf
    • http://www.gorillawalker.com/the-presentations-kit-10-steps-for-selling-your-ideas.pdf
    • http://www.gorillawalker.com/dinosaurs-undercover-triassic-dinosaurs.pdf
    • http://www.gorillawalker.com/outboard-engines-troubleshooting-maintenance-and-repair-hardcover.pdf
    • http://www.gorillawalker.com/takashi-s-noodles.pdf
    • http://www.gorillawalker.com/teen-student-book-vacation-bible-school-2015-bible-blast-to.pdf
    • http://www.gorillawalker.com/timeless-youth-ministry-a-handbook-for-successfully-reaching-today-s.pdf
    • http://www.gorillawalker.com/ten-tronck-s-2002-03-star-guide.pdf
    • http://www.gorillawalker.com/the-disobedience-of-the-daughter-of-the-sun-a-mayan.pdf
    • http://www.gorillawalker.com/stroke-part-ii-clinical-manifestations-and-pathogenesis-volume-93-handbook.pdf
    • http://www.gorillawalker.com/appalachian-trail-guide-to-tennessee-north-carolina-13th-edition.pdf
    • http://www.gorillawalker.com/manufacturing-technology-today-and-tomorrow.pdf
    • http://www.gorillawalker.com/ukulele-the-most-requested-songs-songbook-strum-sing-series-strum.pdf
    • http://www.gorillawalker.com/stories-of-the-golden-wes
    • 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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