Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae8ecca3d1f4f127…

MALICIOUS

PDF

44.7 KB Created: 2018-12-15 20:19:52 +03:00 Authoring application: Adobe InDesign CC (Macintosh) (via Adobe PDF Library 10.0.1)
MD5: 50fdf3bd9843e85f211a23963816e1ab SHA-1: 4bffae35a3e2be0a219e378854c48fb640be8db1 SHA-256: ae8ecca3d1f4f127872d2247f7c83441b5911192f70a60df45640d54c3d93c3a
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier as malicious. A critical heuristic identified a large number of embedded external links, suggesting a link farm or distribution mechanism. The document body is heavily obfuscated and unreadable, providing no direct clues to its intent. The primary attack pattern involves leveraging these embedded links, likely to redirect users to malicious sites or download further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9005

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/it-s-bath-time-highlights-hello.pdf
    • http://www.gorillawalker.com/nelles-central-asia-travel-map-with-turkmenistan-uzbekistan-tajikistan-kyrgyzstan.pdf
    • http://www.gorillawalker.com/trial-techniques-coursebook.pdf
    • http://www.gorillawalker.com/ronaldo-superestrellas-del-f-tbol-spanish-edition.pdf
    • http://www.gorillawalker.com/the-art-of-richard-tuttle.pdf
    • http://www.gorillawalker.com/mayhem-the-order-of-the-wolf.pdf
    • http://www.gorillawalker.com/river-kwai-railway-the-story-of-the-burma-siam-railroad.pdf
    • http://www.gorillawalker.com/metal-deposits-in-relation-to-plate-tectonics-minerals-rocks-and.pdf
    • http://www.gorillawalker.com/katzung-trevor-s-pharmacology-examination-and-board-review-11th-edition.pdf
    • http://www.gorillawalker.com/gesten-recorder-electronic-ta-composer-hashagen.pdf
    • http://www.gorillawalker.com/bacteriology-for-medical-students-and-practitioneers.pdf
    • http://www.gorillawalker.com/paroles-de-hongrois-enquete-french-edition.pdf
    • http://www.gorillawalker.com/veterinary-drug-formulary.pdf
    • http://www.gorillawalker.com/emily-the-strange-piece-of-mind.pdf
    • http://www.gorillawalker.com/drug-trafficking-within-mexico-a-law-enforcement-issue-or-insurgency.pdf
    • http://www.gorillawalker.com/general-correspondence-and-other-papers-of-the-adams-statesmen-papers.pdf
    • http://www.gorillawalker.com/mcdougal-littell-language-of-literature-formal-assessment-grade-11.pdf
    • http://www.gorillawalker.com/human-rights-and-the-south-african-legal-order-princeton-legacy.pdf
    • http://www.gorillawalker.com/protestants-catholics-do-they-now-agree-kindle-edition.pdf
    • http://www.gorillawalker.com/jane-s-armour-and-artillery-2003-2004.pdf
    • http://www.gorillawalker.com/saudi-arabia-project-management-contract-award-for-planned-grassroots-gas.pdf
    • http://www.gorillawalker.com/alaska-pocket-checkbook-calendar-2015.pdf
    • http://www.gorillawalker.com/marrow-kindle-edition.pdf
    • http://www.gorillawalker.com/the-school-library-media-manager-library-and-information-science-text.pdf
    • http://www.gorillawalker.com/coward-plays-7-quadrille-peace-in-our-time-tonight-at.pdf
    • http://www.gorillawalker.com/introduction-to-operations-and-supply-chain-management-4th-edition.pdf
    • http://www.gorillawalker.com/applykit-s-guide-for-the-accuplacer-kindle-edition.pdf
    • http://www.gorillawalker.com/england-under-the-stuarts.pdf
    • http://www.gorillawalker.com/reexamining-jhana-towards-a-critical-reconstruction-of-early-buddhist-soteriology.pdf
    • http://www.gorillawalker.com/island-at-the-end-of-the-world-the-turbulent-history.pdf
    • http://www.gorillawalker.com/garudia-garifuna-trilingual-dictionary-garifuna-english-spanish.pdf
    • http://www.gorillawalker.com/lsat-preptest-72-explanations-a-study-guide-for-lsat-72.pdf
    • http://www.gorillawalker.com/to-russia-with-fries-from-chicago-s-south-side-to.pdf
    • http://www.gorillawalker.com/il-corsaro-ricordi-opera-vocal-score-series.pdf
    • http://www.gorillawalker.com/mexico-panama.pdf
    • http://www.gorillawalker.com/sundancing-the-great-sioux-piercing-ceremony.pdf
    • http://www.gorillawalker.com/from-hormone-hell-to-hormone-well-straight-talk-women-and.pdf
    • http://www.gorillawalker.com/fields-medallists-lectures-world-scientific-series-in-20th-century-mathematics.pdf
    • http://www.gorillawalker.com/the-language-of-literature-grade-8.pdf
    • http://www.gorillawalker.com/venice-italy-street-map-english-french-italian-and-german-edition.pdf
    • http://www.goril
    • 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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