Malicious PDF — malware analysis report

Static analysis result for SHA-256 67e011c610cbe7c9…

MALICIOUS

PDF

43.8 KB Created: 2019-03-18 05:47:25 +03:00 Authoring application: CorelDRAW X5 (via Corel PDF Engine Version 15.0.0.486)
MD5: 9e1bac4fbc2acfc72a78b81b7578da8c SHA-1: 044e9d66aefffb51afcee76f7c8534f5184c966e SHA-256: 67e011c610cbe7c9d9e645d7d4446f2963b70dea98f80eb16b96cf2437c712dc
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files hosted on 'gorillawalker.com'. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute potentially malicious content. The ML classifier also flagged this PDF as malicious, supporting the suspicious nature of the link farm.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8452

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/gibbon-and-the-watchmen-of-the-holy-city-the-historian.pdf
    • http://www.gorillawalker.com/literature-propaganda-new-accents.pdf
    • http://www.gorillawalker.com/international-banking-laws-ii.pdf
    • http://www.gorillawalker.com/lengthen-your-stride-the-presidency-of-spencer-w-kimball.pdf
    • http://www.gorillawalker.com/transformative-choices-a-review-of-70-years-of-fcc-decisions.pdf
    • http://www.gorillawalker.com/the-clock-watch-pronunciary-a-compleat-guide-to-present-day.pdf
    • http://www.gorillawalker.com/the-man-who-mistook-his-wife-for-a-hat-and.pdf
    • http://www.gorillawalker.com/optimization-models.pdf
    • http://www.gorillawalker.com/catch-and-release.pdf
    • http://www.gorillawalker.com/kotourismus-zwei-unterschiedliche-ans-tze-im-vergleich-nachhaltige-regionalentwicklung-mit.pdf
    • http://www.gorillawalker.com/robotic-micro-assembly.pdf
    • http://www.gorillawalker.com/reflections-of-a-grieving-spouse-the-unexpected-journey-from-loss.pdf
    • http://www.gorillawalker.com/alternative-energy-sources-and-systems-go-green-with-renewable-energy.pdf
    • http://www.gorillawalker.com/willing-victim-auk-adult-book-3.pdf
    • http://www.gorillawalker.com/the-wild-vine-a-forgotten-grape-and-the-untold-story.pdf
    • http://www.gorillawalker.com/blood-deep-blackthorn-volume-4.pdf
    • http://www.gorillawalker.com/the-social-psychology-of-intractable-conflicts-celebrating-the-legacy-of.pdf
    • http://www.gorillawalker.com/rick-steves-spanish-phrase-book-and-dictionary.pdf
    • http://www.gorillawalker.com/baby-faces-babies-everywhere.pdf
    • http://www.gorillawalker.com/cuentos-de-andersen-cuentos-maravillosos-para-antes-de-dormir-spanish.pdf
    • http://www.gorillawalker.com/curse-of-berlin-africa-after-the-cold-war.pdf
    • http://www.gorillawalker.com/buddha-s-psalms-of-enlightenment-philosophy-of-a-new-world.pdf
    • http://www.gorillawalker.com/a-computational-theory-of-writing-systems-studies-in-natural-language.pdf
    • http://www.gorillawalker.com/contemporary-s-number-power-1-addition-subtraction-multiplication-and-division.pdf
    • http://www.gorillawalker.com/outsourcing-growth-mexican-bpo-market-takes-off-led-by-u.pdf
    • http://www.gorillawalker.com/by-nbdhe-team-nbdhe-study-guide-test-prep-for-the.pdf
    • http://www.gorillawalker.com/children-and-television-fifty-years-of-research-routledge-communication-series.pdf
    • http://www.gorillawalker.com/multiliteracies-in-world-languages-education-language-culture-and-teaching-series.pdf
    • http://www.gorillawalker.com/ask-doctor-cory-allergy-hearing-loss-baby-powder-an-article.pdf
    • http://www.gorillawalker.com/mosquito-bite.pdf
    • http://www.gorillawalker.com/legal-writing-and-analysis-interactive-casebook-series.pdf
    • http://www.gorillawalker.com/gnosis-and-gnosticism-papers-read-at-the-eighth-international-conference.pdf
    • http://www.gorillawalker.com/absorption-and-drug-development-solubility-permeability-and-charge-state.pdf
    • http://www.gorillawalker.com/guitar-anthology-series-doobie-brothers-authentic-guitar-tab-edition.pdf
    • http://www.gorillawalker.com/el-diario-de-ana-frank-para-ni-os-spanish-edition.pdf
    • http://www.gorillawalker.com/voices-from-the-sky-kindle-edition.pdf
    • http://www.gorillawalker.com/the-korean-war-and-the-vietnam-war-part-i-united.pdf
    • http://www.gorillawalker.com/windows-10-the-ultimate-beginners-guide-to-the-new-windows.pdf
    • http://www.gorillawalker.com/introduction-to-wildland-fire.pdf
    • http://www.gorillawalker.com/bergen-belsen-1945-a-medical-student-s-journal.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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