Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7630a78c8eb9ad4…

MALICIOUS

PDF

43.1 KB Created: 2018-12-14 20:03:19 +03:00 Authoring application: AH XSL Formatter V6.2 MR5 for Windows (x64) : 6.2.7.18952 (via Antenna House PDF Output Library 6.2.625 (Windows (x64)))
MD5: 02d996919460c53f49c79714722ebfdb SHA-1: 84e065e297e0a4036496c07515f7ccb0df784d88 SHA-256: f7630a78c8eb9ad4951c60c7c4aae60ef9d7daf381ec70bfe1152bc6162f70d4
90 Risk Score

Malware Insights

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

The PDF was flagged by a machine learning classifier and a critical heuristic identified it as a link farm containing 32 external PDF links. The primary purpose appears to be SEO manipulation or distributing links to potentially malicious content hosted on the gorillawalker.com domain. No scripts were extracted, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8698

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/moonsteed-beasts.pdf
    • http://www.gorillawalker.com/jack-s-room-rookie-preschool-my-first-rookie-reader.pdf
    • http://www.gorillawalker.com/a-sending-of-dragons-the-pit-dragon-chronicles-volume-three.pdf
    • http://www.gorillawalker.com/inspiracion-diaria-para-una-vida-con-proposito-versiculos-biblicos-y.pdf
    • http://www.gorillawalker.com/the-gift-of-christ-apostle-prophet-evangelist-pastor-and-teacher.pdf
    • http://www.gorillawalker.com/la-catrina-la-novela.pdf
    • http://www.gorillawalker.com/chapman-s-homer-the-iliad.pdf
    • http://www.gorillawalker.com/viennawalks.pdf
    • http://www.gorillawalker.com/hatred-s-kingdom-how-saudi-arabia-supports-the-new-global.pdf
    • http://www.gorillawalker.com/marketing-management-15th-edition.pdf
    • http://www.gorillawalker.com/hoshi-sudoku-extreme-volume-5-276-puzzles.pdf
    • http://www.gorillawalker.com/word-origins-and-their-romantic-stories.pdf
    • http://www.gorillawalker.com/a-fine-summer-s-day-an-inspector-ian-rutledge-mystery.pdf
    • http://www.gorillawalker.com/im-t-a-animal-behavior-7-e.pdf
    • http://www.gorillawalker.com/patent-prosecution-practice-procedure-before-the-u-s-patent-office.pdf
    • http://www.gorillawalker.com/the-index-of-middle-english-prose-handlist-xii-manuscripts-in.pdf
    • http://www.gorillawalker.com/john-taylor-mormon-philosopher-prophet-of-god.pdf
    • http://www.gorillawalker.com/global-perspectives-in-information-security-legal-social-and-international-issues.pdf
    • http://www.gorillawalker.com/philippe-soupault-der-vergessene-surrealist-studien-zu-seinem-erzahlerischen-werk.pdf
    • http://www.gorillawalker.com/jv-44-the-galland-circus.pdf
    • http://www.gorillawalker.com/guerra-del-narco-spanish-edition.pdf
    • http://www.gorillawalker.com/2-d-and-3-d-image-registration-for-medical-remote.pdf
    • http://www.gorillawalker.com/okay-kindle-edition.pdf
    • http://www.gorillawalker.com/rulemaking-how-government-agencies-write-law-and-make-policy.pdf
    • http://www.gorillawalker.com/don-t-tell-daddy-the-sweetest-taboo.pdf
    • http://www.gorillawalker.com/analyzing-political-communication-with-digital-trace-data-the-role-of.pdf
    • http://www.gorillawalker.com/emanuel-law-outlines-international-law-outline.pdf
    • http://www.gorillawalker.com/the-iranian-revolution-pivotal-moments-in-history.pdf
    • http://www.gorillawalker.com/music-theory-for-beginners.pdf
    • http://www.gorillawalker.com/the-boy-nihilist-or-young-america-in-russia.pdf
    • http://www.gorillawalker.com/the-adhd-adult-dilemma-attention-deficit-hyperactivity-disorder-an-article.pdf
    • http://www.gorillawalker.com/tales-of-a-rat-hunting-man.pdf
    • http://www.gorillawalker.com/acting-games-for-individual-performers-a-comprehensive-workbook-of-110.pdf
    • http://www.gorillawalker.com/30-recetas-con-setas-cocina-con-forma-spanish-edition.pdf
    • http://www.gorillawalker.com/dreams-of-the-turtle-king-poems-inspired-by-south-florida.pdf
    • http://www.gorillawalker.com/emqs-for-medical-students-volume-1-second-edition.pdf
    • http://www.gorillawalker.com/power-estimation-and-optimization-methodologies-for-vliw-based-embedded-systems.pdf
    • http://www.gorillawalker.com/hunted-a-sinner-series.pdf
    • http://www.gorillawalker.com/getting-over-getting-older-an-intimate-journey.pdf
    • http://www.gorillawalker.com/bni-building-news-home-remodeler-s-costbook-2015-home-remodler.pdf
    • http://www.gorillawa
    • 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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