Malicious PDF — malware analysis report

Static analysis result for SHA-256 b584879a5b067bfc…

MALICIOUS

PDF

41.2 KB Created: 2018-12-02 20:10:47 +03:00 Authoring application: dvips(k) 5.95a Copyright 2005 Radical Eye Software (via AFPL Ghostscript 8.51)
MD5: 3df091ab62fc96bdb57e702bcdd09151 SHA-1: ee4bc9ae19b729b8a4e1d1c210e33d1a01f360ce SHA-256: b584879a5b067bfc560f422040b0ef5c92d0550ab05db36dab41a5bf8e78c210
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted, and the document body was unreadable, but the sheer volume of links suggests a malicious intent to direct users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8469

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/from-movement-to-government-the-congress-in-the-united-provinces.pdf
    • http://www.gorillawalker.com/fundamentals-of-methodism.pdf
    • http://www.gorillawalker.com/harrap-s-german-school-dictionary.pdf
    • http://www.gorillawalker.com/abdala-el-cruel-abdala-the-cruel-spanish-edition.pdf
    • http://www.gorillawalker.com/diderot-s-part.pdf
    • http://www.gorillawalker.com/going-going.pdf
    • http://www.gorillawalker.com/alerta-a-multicultural-bilingual-approach-to-teaching-young-children.pdf
    • http://www.gorillawalker.com/kingfisher-readers-ladybirds-level-1-beginning-to-read.pdf
    • http://www.gorillawalker.com/ap-biology-2016-review-book-for-ap-biology-exam-with.pdf
    • http://www.gorillawalker.com/real-analysis-for-graduate-students-second-edition.pdf
    • http://www.gorillawalker.com/cold-war-reference-library-cumulative-index-u-x-l-cold.pdf
    • http://www.gorillawalker.com/best-friends-littlest-pet-shop.pdf
    • http://www.gorillawalker.com/materialism-and-the-mind-body-problem-2nd-ed.pdf
    • http://www.gorillawalker.com/african-artisanal-mining-from-the-inside-out-access-norms-and.pdf
    • http://www.gorillawalker.com/the-pardoner-s-tale-in-its-original-form-and-with.pdf
    • http://www.gorillawalker.com/jephtha-kalmus-edition.pdf
    • http://www.gorillawalker.com/the-jennifer-project.pdf
    • http://www.gorillawalker.com/aat-technician-unit-19-option-personal-taxation-fa-2004-2004.pdf
    • http://www.gorillawalker.com/the-morganza-1967-life-in-a-legendary-reform-school.pdf
    • http://www.gorillawalker.com/totally-carrot-cookbook.pdf
    • http://www.gorillawalker.com/the-natural-laws-of-the-universe-understanding-fundamental-constants-springer.pdf
    • http://www.gorillawalker.com/annie-vocal-selections-from-the-motion-picture-with-music.pdf
    • http://www.gorillawalker.com/real-women-real-faith-volume-2-participant-s-guide-life.pdf
    • http://www.gorillawalker.com/plastics-manufacturing-systems-engineering-a-systems-approach.pdf
    • http://www.gorillawalker.com/miyasaka-reia-watasino-karadano-iitokodori-vol1-japanese-edition.pdf
    • http://www.gorillawalker.com/build-amazing-animals-from-bricks-you-have-at-home-lego.pdf
    • http://www.gorillawalker.com/the-ore-bin-contains-articles-on-occurrence-of-vermiculitized-biotite.pdf
    • http://www.gorillawalker.com/powerful-waves-nature-in-action.pdf
    • http://www.gorillawalker.com/colours-in-blackness-reprieve-volume-2.pdf
    • http://www.gorillawalker.com/essential-sermons-the-works-of-saint-augustine-works-of-saint.pdf
    • http://www.gorillawalker.com/how-to-fly-a-horse-the-secret-history-of-creation.pdf
    • http://www.gorillawalker.com/eastern-hemisphere-new-york-students-edition-part-a-grades-6.pdf
    • http://www.gorillawalker.com/philosophy-is-for-everyman-a-short-course-in-philosophical-thinking.pdf
    • http://www.gorillawalker.com/sketch-still-life-painting-the-latest-u-s-version-zhejiang.pdf
    • http://www.gorillawalker.com/photoshop-and-digital-photo-processing-2-with-cd.pdf
    • http://www.gorillawalker.com/in-the-coral-reefs-of-the-caribbean-bahamas-florida-bermuda.pdf
    • http://www.gorillawalker.com/the-rock-pro-wrestling-superstars.pdf
    • http://www.gorillawalker.com/surf-beat-rock-n-roll-s-forgotten-revolution.pdf
    • http://www.gorillawalker.com/sweet-dress-book-23-dresses-of-pattern-arrangement.pdf
    • http://www.gorillawalker.com/guide-de-conversation-fran-ais-finnois-et-vocabulaire-th-matique.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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