Malicious PDF — malware analysis report

Static analysis result for SHA-256 bde63c6a6ec2aaed…

MALICIOUS

PDF

43.0 KB Created: 2018-12-15 20:01:30 +03:00 Authoring application: Adobe InDesign CC 2017 (Windows) (via Adobe PDF Library 15.0)
MD5: 35ba2cbdca274f9215a7c8709080d4f5 SHA-1: ac2f59711cb9156f9df38f909e6178a4346612d9 SHA-256: bde63c6a6ec2aaed6f86eab603263a104b61296d273dccd77ad5ed6ffd3e1cc9
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

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/stargirl.pdf
    • http://www.gorillawalker.com/lippincott-s-critical-care-drug-guide.pdf
    • http://www.gorillawalker.com/britain-and-the-h-bomb.pdf
    • http://www.gorillawalker.com/outlaw-platoon-heroes-renegades-infidels-and-the-brotherhood-of-war.pdf
    • http://www.gorillawalker.com/a-night-at-the-chinese-opera-for-violin-and-piano.pdf
    • http://www.gorillawalker.com/owen-mzee-language-of-friendship.pdf
    • http://www.gorillawalker.com/knopf-mapguide-vienna-knopf-mapguides.pdf
    • http://www.gorillawalker.com/hiit-training-program-high-intensity-interval-training-for-fast-fitness.pdf
    • http://www.gorillawalker.com/irish-public-sculpture-a-history.pdf
    • http://www.gorillawalker.com/the-works-of-edmund-spenser-vol-6-the-faerie-queene.pdf
    • http://www.gorillawalker.com/perfect-harmony-stories-of-interracial-passion.pdf
    • http://www.gorillawalker.com/advances-in-object-oriented-information-systems-oois-2002-workshops-montpellier.pdf
    • http://www.gorillawalker.com/come-see-isaiah.pdf
    • http://www.gorillawalker.com/baroque-masters-of-variation-for-descant-and-treble-recorder-volume.pdf
    • http://www.gorillawalker.com/building-a-49-54-chevy.pdf
    • http://www.gorillawalker.com/science-magic-with-air-science-magic-series.pdf
    • http://www.gorillawalker.com/british-homoeopathic-formulary.pdf
    • http://www.gorillawalker.com/below-mercury-kindle-edition.pdf
    • http://www.gorillawalker.com/liberty-property-and-privacy-toward-a-jurisprudence-of-substantive-due.pdf
    • http://www.gorillawalker.com/little-nemo-in-slumberland-1908-1909-full-color.pdf
    • http://www.gorillawalker.com/geometria-sagrada-sacred-geometry-descifrando-el-codigo-spanish-edition.pdf
    • http://www.gorillawalker.com/rust-the-ultimate-guidebook-kindle-edition.pdf
    • http://www.gorillawalker.com/broken-shell-island-the-witches-of-west-shore-kindle-edition.pdf
    • http://www.gorillawalker.com/2010-census-preparations-for-the-2010-census-underway-but-continued.pdf
    • http://www.gorillawalker.com/we-are-the-ship-the-story-of-negro-league-baseball.pdf
    • http://www.gorillawalker.com/der-einzig-m.pdf
    • http://www.gorillawalker.com/urban-legends-gang-identity-in-the-post-industrial-city-clarendon.pdf
    • http://www.gorillawalker.com/dawn-of-the-mad.pdf
    • http://www.gorillawalker.com/adventist-potluck-cookbook-favorite-vegetarian-recipes-from-fellowship-halls-across.pdf
    • http://www.gorillawalker.com/may-i-quote-you-on-that-a-guide-to-grammar.pdf
    • http://www.gorillawalker.com/concepts-for-nursing-practice-with-pageburst-digital-book-access-on.pdf
    • http://www.gorillawalker.com/a-little-guide-to-first-communion-kindle-edition.pdf
    • http://www.gorillawalker.com/the-clash-the-complete-guide-to-their-music.pdf
    • http://www.gorillawalker.com/thyroid-disorders-fast-facts-series.pdf
    • http://www.gorillawalker.com/achieved-is-the-glorious-work-from-creation-franz-joseph-haydn.pdf
    • http://www.gorillawalker.com/kindred-souls.pdf
    • http://www.gorillawalker.com/creo-simulate-tutorial-releases-1-0-2-0.pdf
    • http://www.gorillawalker.com/billiards-accuracy.pdf
    • http://www.gorillawalker.com/the-capitalist-revolution-fifty-propositions-about-prosperity-equality-and-liberty.pdf
    • http://www.gorillawalker.com/le-morte-darthur-the-winchester-manuscript-oxford-world-s-classics.pdf
    • http://www.gorillawalker.com/a-night-at-the-chinese-opera-f
    • 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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