Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d7108411b2c3852…

MALICIOUS

PDF

42.8 KB Created: 2018-12-14 20:40:36 +03:00 Authoring application: Writer (via OpenOffice.org 2.4)
MD5: 1c6d7e3438111b1cbbc349f3b8fc7d5c SHA-1: 76d2b11c752a7440f09f4355581d3ed30629e5c9 SHA-256: 0d7108411b2c385202361e29ae20cec1d88df2e82d664c57b7daa7e723c136a4
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious. The document body, though heavily obfuscated, contains references to these external URLs, suggesting the primary purpose is to direct users to a link farm or for SEO manipulation, rather than delivering a direct payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9181

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/what-makes-your-brain-happy-and-why-you-should-do.pdf
    • http://www.gorillawalker.com/critica-de-la-razon-poscolonial-postcolonial-critique-of-reason-spanish.pdf
    • http://www.gorillawalker.com/copyright-contracts-creators-new-media-new-rules.pdf
    • http://www.gorillawalker.com/natural-acne-treatments-the-best-homemade-remedies-for-acne-damaged.pdf
    • http://www.gorillawalker.com/sounds-good-on-paper-how-to-bring-business-language-to.pdf
    • http://www.gorillawalker.com/readings-in-urban-economics.pdf
    • http://www.gorillawalker.com/steel-structure-reinforced-concrete-design-for-seismic-areas-behaviour-analysis.pdf
    • http://www.gorillawalker.com/personal-injury-the-law-of-torts-for-paralegals-third-edition.pdf
    • http://www.gorillawalker.com/state-violence-and-the-execution-of-law-torture-black-sites.pdf
    • http://www.gorillawalker.com/my-name-is-caroline.pdf
    • http://www.gorillawalker.com/pillsbury-complete-cookbook-recipes-from-america-s-most-trusted-kitchens.pdf
    • http://www.gorillawalker.com/power-analysis-of-trials-with-multilevel-data-chapman-hall-crc.pdf
    • http://www.gorillawalker.com/pipefitters-handbook.pdf
    • http://www.gorillawalker.com/hanson-boys-from-nowhere.pdf
    • http://www.gorillawalker.com/pilot-testing-of-gbep-sustainability-indicators-for-bioenergy-in-colombia.pdf
    • http://www.gorillawalker.com/periodoncia-tomo-i-spanish-edition.pdf
    • http://www.gorillawalker.com/tune-in-the-beatles-all-these-years.pdf
    • http://www.gorillawalker.com/lee-y-comparte-juntos-biblia-y-devocional-m-s-de.pdf
    • http://www.gorillawalker.com/history-of-brazil-volume-2.pdf
    • http://www.gorillawalker.com/mednotes.pdf
    • http://www.gorillawalker.com/jinxed-affair.pdf
    • http://www.gorillawalker.com/richmond-va-deluxe-city-flip-map.pdf
    • http://www.gorillawalker.com/the-choir-boy-why-i-turned-to-a-life-of.pdf
    • http://www.gorillawalker.com/textbook-of-anxiety-disorders.pdf
    • http://www.gorillawalker.com/collaborating-with-customers-to-innovate-conceiving-and-marketing-products-in.pdf
    • http://www.gorillawalker.com/city-of-lost-dreams-a-novel.pdf
    • http://www.gorillawalker.com/step-by-step-paleo-book-4-a-daybook-of-small.pdf
    • http://www.gorillawalker.com/7-rounded-shape-slender-legs-arm-aerobics-series-of-urban.pdf
    • http://www.gorillawalker.com/highlander-in-her-bed-the-ravenscraig-legacy-book-1-kindle.pdf
    • http://www.gorillawalker.com/contemporary-issues-in-management.pdf
    • http://www.gorillawalker.com/applied-rnai-from-fundamental-research-to-therapeutic-applications.pdf
    • http://www.gorillawalker.com/phoenix-upside-down.pdf
    • http://www.gorillawalker.com/we-the-jury-secretive-by-design-juries-are-increasingly-the.pdf
    • http://www.gorillawalker.com/jacob-beschlie-t-zu-lieben-roman-german-edition.pdf
    • http://www.gorillawalker.com/code-of-practice-for-low-and-extra-low-voltage-direct.pdf
    • http://www.gorillawalker.com/white-men-can-t-hump-as-good-as-black-men.pdf
    • http://www.gorillawalker.com/dialogue-busy-writer-s-guides-book-3.pdf
    • http://www.gorillawalker.com/the-modern-law-of-patents.pdf
    • http://www.gorillawalker.com/zoe-lynn-is-in.pdf
    • http://www.gorillawalker.com/the-iguide-to-sleep-classic-edition-kindle-edition.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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