Malicious PDF — malware analysis report

Static analysis result for SHA-256 43e15a43dc430aca…

MALICIOUS

PDF

44.5 KB Created: 2018-12-02 10:55:38 +03:00 Authoring application: God (via Robotic Despoiler 1.0 for Windoze)
MD5: c4a0aa2cd3db3635e2fa6c1588375fd1 SHA-1: e6ae4621c1caeffb8b3cc7d0ba11f2191e5a9e7e SHA-256: 43e15a43dc430aca1a8d8b41720688e00a7c184902e02bbf2a0e4ee5e59beb17
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

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

Machine Learning

  • Nyx PDF Classifier malicious score 0.8224

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/el-yo-y-los-mecanismos-de-defensa-spanish-edition.pdf
    • http://www.gorillawalker.com/dream-journal-for-reflection-and-lucid-dreaming-7-x10-notebook.pdf
    • http://www.gorillawalker.com/the-uniforms-insignia-and-ephemera-of-the-home-front-in.pdf
    • http://www.gorillawalker.com/nhl-official-guide-and-record-book-1992-1993-nhl-official.pdf
    • http://www.gorillawalker.com/design-of-concrete-structures-with-stress-fields.pdf
    • http://www.gorillawalker.com/a-handbook-for-travellers-in-turkey-describing-constantinople-european-turkey.pdf
    • http://www.gorillawalker.com/diffusion-of-innovations-fourth-edition.pdf
    • http://www.gorillawalker.com/medicare-may-cover-more-colorectal-cancer-tests-rule-opens-the.pdf
    • http://www.gorillawalker.com/let-them-eat-cake-marketing-luxury-to-the-masses-as.pdf
    • http://www.gorillawalker.com/lean-auditing-driving-added-value-and-efficiency-in-internal-audit.pdf
    • http://www.gorillawalker.com/the-mystery-of-numbers.pdf
    • http://www.gorillawalker.com/in-a-pale-blue-light.pdf
    • http://www.gorillawalker.com/living-in-the-seventh-day-kindle-edition.pdf
    • http://www.gorillawalker.com/esa-pekka-salonen-insomnia-for-orchestra-score.pdf
    • http://www.gorillawalker.com/earth-the-world-atlas-concise.pdf
    • http://www.gorillawalker.com/aviation-meteorolgy-unscrambled-for-vfr-ifr-operations-certifications-ratings.pdf
    • http://www.gorillawalker.com/cpt-2013-express-reference-coding-card-urology-nephrology.pdf
    • http://www.gorillawalker.com/dougy-library-edition.pdf
    • http://www.gorillawalker.com/raising-curious-kids-over-100-simple-activities-to-develop-your.pdf
    • http://www.gorillawalker.com/animal-models-disorders-of-eating-behaviour-and-body-composition.pdf
    • http://www.gorillawalker.com/maths-for-practice-and-revision-bk-4.pdf
    • http://www.gorillawalker.com/zigarren-herstellung-geschichte-geheimnisse-german-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/bible-crafts-for-christian-kids.pdf
    • http://www.gorillawalker.com/color-atlas-and-synopsis-of-electrophysiology.pdf
    • http://www.gorillawalker.com/lost-in-transition-suny-series-in-global-modernity.pdf
    • http://www.gorillawalker.com/biomechanics-of-spine-stabilization.pdf
    • http://www.gorillawalker.com/out-of-the-woods-a-true-story.pdf
    • http://www.gorillawalker.com/neurotically-yours-the-complete-collection.pdf
    • http://www.gorillawalker.com/franchise-law-firms-and-the-transformation-of-personal-legal-services.pdf
    • http://www.gorillawalker.com/the-arab-lobby-the-invisible-alliance-that-undermines-america-s.pdf
    • http://www.gorillawalker.com/healing-wounded-emotions-overcoming-life-s-hurts-inspirational-reading-for.pdf
    • http://www.gorillawalker.com/china-and-mongolia-world-travel-maps.pdf
    • http://www.gorillawalker.com/advances-on-biomathematics-v-1-proceedings-of-the-6th-conference.pdf
    • http://www.gorillawalker.com/the-bomb-nuclear-weapons-in-their-historical-strategic-and-ethical.pdf
    • http://www.gorillawalker.com/lafcadio-hearn-american-writings-library-of-america-no-190.pdf
    • http://www.gorillawalker.com/the-masks-of-god-complete-four-volume-set.pdf
    • http://www.gorillawalker.com/the-doctor-s-oath-an-essay-in-the-history-of.pdf
    • http://www.gorillawalker.com/in-charge.pdf
    • http://www.gorillawalker.com/billionaire-s-trust-billionaire-erotic-romance-never-never-man-series.pdf
    • http://www.gorillawalker.com/elvis-lives-and-other-anagrams.pdf
    • http://www.gorillawalker.com/diffusion-of-i
    • 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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