Malicious PDF — malware analysis report

Static analysis result for SHA-256 bfd2f2fbf907555c…

MALICIOUS

PDF

35.7 KB Created: 2019-05-26 11:49:04 +03:00 Authoring application: Adobe Acrobat 8.0 (via Adobe Acrobat 8.0 Image Conversion Plug-in)
MD5: ee0356854a9483ebdff20dfeeb83ca6a SHA-1: b232adefc393c0c26404e2b7a029cd3a07ad8421 SHA-256: bfd2f2fbf907555ce6ef455f8d7a4673852c716e29668560871f426f09a5d1e7
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links pointing to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this document as malicious. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8258

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/spartanburg-bar-and-beverage-4th-edition-remarkable-service-and-food.pdf
    • http://www.gorillawalker.com/pdn-photo-district-news-the-international-publication-for-the-professional.pdf
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    • http://www.gorillawalker.com/air-men-o-war.pdf
    • http://www.gorillawalker.com/che-fidel-images-from-history-che-guevara-publishing-project.pdf
    • http://www.gorillawalker.com/a-disturbance-of-fate.pdf
    • http://www.gorillawalker.com/arabs-israel-mar-11-olmert-abbas-talks-yield-no-accords.pdf
    • http://www.gorillawalker.com/two-winters-in-norway-being-an-account-of-two-holidays.pdf
    • http://www.gorillawalker.com/insects-and-thistles-naturalists-handbooks.pdf
    • http://www.gorillawalker.com/the-illustrated-grandparent-s-memories-book-tell-the-story-of.pdf
    • http://www.gorillawalker.com/spirit-and-reason-the-vine-deloria-jr-reader.pdf
    • http://www.gorillawalker.com/keys-to-success-teamwork-and-leadership-keys-franchise.pdf
    • http://www.gorillawalker.com/the-2009-2014-world-outlook-for-aviation-metal-job-stampings.pdf
    • http://www.gorillawalker.com/history-of-orthodontics-a-glance-at-an-exciting-path-the.pdf
    • http://www.gorillawalker.com/crossing-an-ocean-under-power-10th-anniversary-edition.pdf
    • http://www.gorillawalker.com/final-cut-pro-5-apple-pro-senior-editor-of-nonlinear.pdf
    • http://www.gorillawalker.com/grand-theft-auto-san-andreas-ultimate-edition-guide-kindle-edition.pdf
    • http://www.gorillawalker.com/el-t-o-clementino-spanish-edition.pdf
    • http://www.gorillawalker.com/police-interrogation-and-american-justice.pdf
    • http://www.gorillawalker.com/george-gordon-an-annotated-catalogue-of-his-scientific-correspondence.pdf
    • http://www.gorillawalker.com/a-mathematical-introduction-to-fluid-mechanics-universitext.pdf
    • http://www.gorillawalker.com/psychotherapy-and-the-highly-sensitive-person-improving-outcomes-for-that.pdf
    • http://www.gorillawalker.com/postwar-vietnam-dynamics-of-a-transforming-society-asia-pacific-perspectives.pdf
    • http://www.gorillawalker.com/the-trial-of-galileo-famous-trials.pdf
    • http://www.gorillawalker.com/making-hard-decisions-with-decision-tools-suite-update-edition.pdf
    • http://www.gorillawalker.com/romania-under-the-tyranny-of-small-figures-east-european-monograph.pdf
    • http://www.gorillawalker.com/mass-in-g-major-gloria-in-excelsis-deo-full-score.pdf
    • http://www.gorillawalker.com/the-ancient-city-life-in-classical-athens-and-rome.pdf
    • http://www.gorillawalker.com/zur-morphologie-biologie-und-systematik-der-kahmpilze-der-monilia-candida.pdf
    • http://www.gorillawalker.com/in-service-historical-erotica-in-service-book-1.pdf
    • http://www.gorillawalker.com/therapeutic-peptides-methods-and-protocols-methods-in-molecular-biology.pdf
    • http://www.gorillawalker.com/automorphic-forms-on-adele-groups-am-83-annals-of-mathematics.pdf
    • http://www.gorillawalker.com/national-geographic-kids-almanac-2013-national-geographic-kids-almanac-quality.pdf
    • http://www.gorillawalker.com/classical-solos-for-bassoon-vol-2-w-cd-rom-hal.pdf
    • http://www.gorillawalker.com/worked-problems-in-ophthalmic-lenses.pdf
    • http://www.gorillawalker.com/precious-metal-age-of-the-censor-book-1.pdf
    • http://www.gorillawalker.com/cathy-2002-day-to-day-calendar.pdf
    • http://www.gorillawalker.com/voltaire-10-romane-u-a-candide-die-prinzessin-von-babylon.pdf
    • http://www.gorillawalker.com/basis-and-practice-of-traumatology.pdf
    • http://www.gorillawalker.com/john-thompson-s-easiest-piano-course-music-staff-paper-wide.pdf
    • http://www.gorillawalker.com/insects-and-thistles-naturali
    • 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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