Malicious PDF — malware analysis report

Static analysis result for SHA-256 bfecff93f3c2a890…

MALICIOUS

PDF

40.8 KB Created: 2018-11-30 21:01:06 +03:00 Authoring application: Adobe InDesign CC 2014 (Macintosh) (via Adobe PDF Library 11.0)
MD5: 21fa8c9aa995fed68d54d3eae22f7f40 SHA-1: 7c2b69a0c6e81777d47b7d95e22b8954d168a8c4 SHA-256: bfecff93f3c2a89098309dafd114bd7bbb25f3aacb2e106da7ec48e9cb86b1a5
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links pointing 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 heavily obfuscated, making it difficult to determine the exact user-facing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9027

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/digital-materiality-in-architecture.pdf
    • http://www.gorillawalker.com/awakening-a-novel-of-olympus-book-two-kindle-edition.pdf
    • http://www.gorillawalker.com/kinedim.pdf
    • http://www.gorillawalker.com/ethical-problems-in-the-practice-of-law-model-rules-state.pdf
    • http://www.gorillawalker.com/how-to-draw-manga-the-complete-beginners-guide-to-mastering.pdf
    • http://www.gorillawalker.com/dani-noir.pdf
    • http://www.gorillawalker.com/my-grandparents-meet-the-family.pdf
    • http://www.gorillawalker.com/the-lost-tribe-xavier-series-book-4.pdf
    • http://www.gorillawalker.com/the-spiritual-genius-of-thomas-merton.pdf
    • http://www.gorillawalker.com/adam-jones-randy-s-corner-day-by-day-with.pdf
    • http://www.gorillawalker.com/historical-dictionary-of-the-u-s-supreme-court-historical-dictionaries.pdf
    • http://www.gorillawalker.com/mademoiselle-se-marie-com-die-en-cinq-actes-french-edition.pdf
    • http://www.gorillawalker.com/daughter-of-the-sea-harlequin-comics.pdf
    • http://www.gorillawalker.com/oceanography-an-invitation-to-marine-science-with-cengagenow-printed-access.pdf
    • http://www.gorillawalker.com/prospect-theory-for-risk-and-ambiguity.pdf
    • http://www.gorillawalker.com/people-of-the-volcano-andean-counterpoint-in-the-colca-valley.pdf
    • http://www.gorillawalker.com/sammelband-fesselfick-und-sexsklaven-gay-zehn-erotische-gay-geschichten-german.pdf
    • http://www.gorillawalker.com/the-last-hedge-wall-street-implications-book-2-kindle-edition.pdf
    • http://www.gorillawalker.com/horngren-s-financial-managerial-accounting-the-financial-chapters-and-the.pdf
    • http://www.gorillawalker.com/the-devil-perceptions-of-evil-from-antiquity-to-primitive-christianity.pdf
    • http://www.gorillawalker.com/field-guide-to-the-mammals-of-southern-africa.pdf
    • http://www.gorillawalker.com/construction-adjudication-a-practical-guide-practical-construction-guides.pdf
    • http://www.gorillawalker.com/mastering-mountain-bike-skills-2nd-edition-by-lopes-brian-mccormack.pdf
    • http://www.gorillawalker.com/ecstasy-and-other-stories.pdf
    • http://www.gorillawalker.com/speedy-spanish-for-police-personnel-speedy-language-phrase-books-spanish.pdf
    • http://www.gorillawalker.com/the-thin-green-line-the-money-secrets-of-the-super.pdf
    • http://www.gorillawalker.com/fiske-what-to-do-when-for-college-4e-a-student.pdf
    • http://www.gorillawalker.com/steve-jobs-the-apple-of-our-i-kindle-edition.pdf
    • http://www.gorillawalker.com/zur-genealogie-der-moral.pdf
    • http://www.gorillawalker.com/kindaichi-case-files-the-no-noose-is-good-noose.pdf
    • http://www.gorillawalker.com/the-little-book-of-killer-sat-grammar-the-nine-main.pdf
    • http://www.gorillawalker.com/wizard-harry-potter-s-brand-magic-great-brand-stories-series.pdf
    • http://www.gorillawalker.com/we-were-eagles-volume-4-the-eight-air-force-at.pdf
    • http://www.gorillawalker.com/the-edible-balcony-growing-fresh-produce-in-small-spaces-kindle.pdf
    • http://www.gorillawalker.com/bassoon-student-student-instrumental-course-level-three-advanced-intermediate.pdf
    • http://www.gorillawalker.com/not-of-this-world-a-treasury-of-christian-mysticism-treasures.pdf
    • http://www.gorillawalker.com/laboratory-medicine-the-diagnosis-of-disease-in-the-clinical-laboratory.pdf
    • http://www.gorillawalker.com/asegia-may-thee-design-be-freedom.pdf
    • http://www.gorillawalker.com/philosophy-of-mind-an-introduction.pdf
    • http://www.gorillawalker.com/lighthouses-with-coasters.pdf
    • http://www.gorillawalker.com/adam-jo
    • 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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