Malicious PDF — malware analysis report

Static analysis result for SHA-256 d06fc0b1c43b6195…

MALICIOUS

PDF

43.4 KB Created: 2018-11-23 08:06:21 +03:00 Authoring application: Acrobat Distiller 5.0 (Windows) (via Adobe PDF Library 9.9)
MD5: d8c529cccbde0b2d7807d732abdbd474 SHA-1: deee590e49b23eda957a891fa078da78592b245b SHA-256: d06fc0b1c43b6195a601f6a26fec8080805d3011584e1a6c93d6100a0c410ce9
90 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a 'PDF_SEO_LINK_FARM', indicating a large number of external links embedded within the document. The ML classifier also flagged the PDF as malicious. The primary purpose appears to be directing users to numerous external PDF files hosted on 'gorillawalker.com', likely for SEO manipulation or as a distribution vector for further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8683

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/ten-best-teaching-practices-multimedia-kit-how-brain-research-and.pdf
    • http://www.gorillawalker.com/illustrated-naked-ape.pdf
    • http://www.gorillawalker.com/sociology-student-writer-s-manual-the-5th-edition.pdf
    • http://www.gorillawalker.com/patio-de-corredor.pdf
    • http://www.gorillawalker.com/international-business-competing-in-the-global-marketplace.pdf
    • http://www.gorillawalker.com/the-u-s-bishops-and-their-critics-an-economic-and.pdf
    • http://www.gorillawalker.com/menswear-dog-2014-wall-calendar.pdf
    • http://www.gorillawalker.com/alaska-portrait-of-america.pdf
    • http://www.gorillawalker.com/magic-tree-house-collection-books-37-40-dragon-of-the.pdf
    • http://www.gorillawalker.com/the-maudsley-prescribing-guidelines-by-taylor-david-paton-carol-kerwin.pdf
    • http://www.gorillawalker.com/in-the-coils-of-the-snake-book-iii-the-hollow.pdf
    • http://www.gorillawalker.com/teaching-counselors-and-therapists-constructivist-and-developmental-course-design.pdf
    • http://www.gorillawalker.com/going-gay-for-monsters-3-book-bundle.pdf
    • http://www.gorillawalker.com/cooking-the-dutch-oven-way.pdf
    • http://www.gorillawalker.com/many-moons-oberon-modern-plays.pdf
    • http://www.gorillawalker.com/carmen-act-i-chorus-avec-la-garde-montante-boys-chorus.pdf
    • http://www.gorillawalker.com/hollywood-s-earth-shattering-scandals-the-infamous-villains-nymphomaniacs-and.pdf
    • http://www.gorillawalker.com/rock-lake-trail-chequamegon-nicolet-national-forest-sudoc-a-13.pdf
    • http://www.gorillawalker.com/pocket-puerto-rico-the-best-of-the-island-with-beaches.pdf
    • http://www.gorillawalker.com/la-tenacidad-de-una-mujer-la-vida-de-ida-scudder.pdf
    • http://www.gorillawalker.com/the-eucharistic-theology-of-jeremy-taylor-today.pdf
    • http://www.gorillawalker.com/the-laws-of-attraction-a-love-across-stars-series-novel.pdf
    • http://www.gorillawalker.com/professional-internet-advertising-for-us-government-officials-handbook-world-business.pdf
    • http://www.gorillawalker.com/radical-container-architecture.pdf
    • http://www.gorillawalker.com/the-giant-cities-of-bashan-and-syria-s-holy-places.pdf
    • http://www.gorillawalker.com/guide-to-book-values-new-zealand-australia-oceania-antarctic-book.pdf
    • http://www.gorillawalker.com/der-gro-e-outdoor-reisef-hrer-curacao-german-edition.pdf
    • http://www.gorillawalker.com/the-battle-begins-the-story-of-creation-the-action-bible.pdf
    • http://www.gorillawalker.com/fodor-s-los-angeles-25-best-full-color-travel-guide.pdf
    • http://www.gorillawalker.com/no-more-independent-reading-without-support-not-this-but-that.pdf
    • http://www.gorillawalker.com/lord-of-the-iron-fortress-dungeons-dragons-d20-3-0.pdf
    • http://www.gorillawalker.com/mysterium-fidei.pdf
    • http://www.gorillawalker.com/american-education-sociocultural-political-and-historical-studies-in-education.pdf
    • http://www.gorillawalker.com/islands-modern-plays-digital.pdf
    • http://www.gorillawalker.com/attention-girls-a-guide-to-learn-all-about-your-ad.pdf
    • http://www.gorillawalker.com/xenia-sun-moon-classics.pdf
    • http://www.gorillawalker.com/bone-mountain-a-novel-inspector-shan-tao-yun.pdf
    • http://www.gorillawalker.com/the-magic-of-mathematics-discovering-the-spell-of-mathematics.pdf
    • http://www.gorillawalker.com/una-historia-en-la-historia-a-story-in-history-spanish.pdf
    • http://www.gorillawalker.com/young-miss-holmes-casebook-5-7.pdf
    • http://www.gorillawalke
    • 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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