Malicious PDF — malware analysis report

Static analysis result for SHA-256 bddddd4a22da0d0a…

MALICIOUS

PDF

44.0 KB Created: 2018-11-14 08:37:08 +03:00 Authoring application: Adobe Acrobat 6.0 (via Adobe Acrobat 6.0 Paper Capture Plug-in)
MD5: f877dbc4b3b402ec6018b4a972b26184 SHA-1: a12679b3c15d9622a5ead72f7877ea1a540f4f5d SHA-256: bddddd4a22da0d0a4e6edf40dc2bc57e956db4cf5a7dc8f6feec1893c6890c02
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded links to external PDF documents, primarily hosted on www.gorillawalker.com. This technique is often used for SEO poisoning or to distribute malicious content indirectly. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9171

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/asia-s-unknown-uprisings-volume-1-south-korean-social-movements.pdf
    • http://www.gorillawalker.com/quitting-previously-published-as-mastering-the-art-of-quitting-why.pdf
    • http://www.gorillawalker.com/manual-of-soft-tissue-management-in-orthopaedic-trauma-ao-trauma.pdf
    • http://www.gorillawalker.com/the-arrl-handbook-for-radio-amateurs-2001-arrl-handbook-for.pdf
    • http://www.gorillawalker.com/line-of-sight.pdf
    • http://www.gorillawalker.com/el-d-a-de-los-santos-equipando-a-los-creyentes.pdf
    • http://www.gorillawalker.com/embryology-united-states-medical-licensing-exam-review-series-high-chinese.pdf
    • http://www.gorillawalker.com/heydrich-historia-siglo-xx-spanish-edition.pdf
    • http://www.gorillawalker.com/the-brief-penguin-handbook-4th-edition-faigley-penguin-franchise.pdf
    • http://www.gorillawalker.com/the-devils-and-evil-spirits-of-babylonia-being-babylonian-and.pdf
    • http://www.gorillawalker.com/emerging-concepts-of-tumor-exosome-mediated-cell-cell-communication.pdf
    • http://www.gorillawalker.com/preschool-vision-stimulation-it-s-more-than-a-flashlight-developmental.pdf
    • http://www.gorillawalker.com/build-your-family-bank-a-winning-vision-for-multigenerational-wealth.pdf
    • http://www.gorillawalker.com/teaching-english-grammar.pdf
    • http://www.gorillawalker.com/structural-wonders-series-set.pdf
    • http://www.gorillawalker.com/new-performance-new-writing.pdf
    • http://www.gorillawalker.com/no-greater-monster-nor-miracle-than-myself-the-political-philosophy.pdf
    • http://www.gorillawalker.com/called-again-a-story-of-love-and-triumph.pdf
    • http://www.gorillawalker.com/omega-born-scent-of-a-mate-6-siren-publishing-everlasting.pdf
    • http://www.gorillawalker.com/manfred-m-ller-objects-are-closer-than-they-appear.pdf
    • http://www.gorillawalker.com/the-highly-sensitive-child-helping-our-children-thrive-when-the.pdf
    • http://www.gorillawalker.com/veggietales-king-george-and-the-ducky-color-read-along.pdf
    • http://www.gorillawalker.com/unbelievably-good-deals-and-great-adventures-that-you-absolutely-can.pdf
    • http://www.gorillawalker.com/musician-s-business-and-legal-guide-the-3rd-edition-musician.pdf
    • http://www.gorillawalker.com/aulus-gellius-attic-nights-volume-ii-books-6-13-loeb.pdf
    • http://www.gorillawalker.com/adaptive-control-algorithms-analysis-and-applications-communications-and-control-engineering.pdf
    • http://www.gorillawalker.com/chris-van-allsburg-children-s-illustrators-set-i-library-binding.pdf
    • http://www.gorillawalker.com/mapping-european-empire-tabulae-imperii-europaei-critical-european-studies.pdf
    • http://www.gorillawalker.com/the-busy-woman-s-guide-to-total-fitness-strengthen-your.pdf
    • http://www.gorillawalker.com/heidegger-s-neglect-of-the-body-suny-series-in-contemporary.pdf
    • http://www.gorillawalker.com/yoruba-legends.pdf
    • http://www.gorillawalker.com/concerto-in-d-major-for-flute-oboe-violin-bassoon-strings.pdf
    • http://www.gorillawalker.com/memory-from-cats-sheet-music.pdf
    • http://www.gorillawalker.com/concerto-for-oboe-reduction-for-oboe-and-piano.pdf
    • http://www.gorillawalker.com/fragments-partials-sequence-book-2-kindle-edition.pdf
    • http://www.gorillawalker.com/kayden-is-different-activity-book.pdf
    • http://www.gorillawalker.com/the-blue-moon-mysteries-of-sparrow-island-series-3.pdf
    • http://www.gorillawalker.com/small-antenna-handbook.pdf
    • http://www.gorillawalker.com/antarctica-explorer-series-vol-1.pdf
    • http://www.gorillawalker.com/christus-op-97-full-score-a2666.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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