Malicious PDF — malware analysis report

Static analysis result for SHA-256 8dea1f3863621822…

MALICIOUS

PDF

44.7 KB Created: 2018-12-15 08:10:09 +03:00 Authoring application: Adobe InDesign CS5_J (7.0.4) (via Acrobat Distiller 9.5.0 (Windows))
MD5: 43c248e6db0b124449fc3f916208b0e9 SHA-1: c9adc4d6762dd437ab51b8f712ede6598ba3312e SHA-256: 8dea1f3863621822d47c8d67c732cdaeac2a02942ae0ded9773a6a469365320e
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged the document as malicious. The primary function appears to be link farming, likely to manipulate search engine rankings or redirect users to potentially harmful content hosted on the 'gorillawalker.com' domain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8634

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/stolen-hearts-vol-2.pdf
    • http://www.gorillawalker.com/costly-performances-tennessee-williams.pdf
    • http://www.gorillawalker.com/la-belle-h-l-ne-overture-study-score.pdf
    • http://www.gorillawalker.com/all-about-investing-in-gold-all-about-series-kindle-edition.pdf
    • http://www.gorillawalker.com/training-wheels-how-did-i-get-here.pdf
    • http://www.gorillawalker.com/rhythmic-lead-guitar-solo-phrasing-groove-and-timing-for-all.pdf
    • http://www.gorillawalker.com/get-rid-of-your-accent-american-accent-training-manual-unabridged.pdf
    • http://www.gorillawalker.com/syriac-christianity-in-the-middle-east-and-india-contributions-and.pdf
    • http://www.gorillawalker.com/darkening-chaos-book-three-of-the-destroyer-trilogy-the-destroyer.pdf
    • http://www.gorillawalker.com/science-and-conservation-in-african-forests-the-benefits-of-longterm.pdf
    • http://www.gorillawalker.com/100-super-sight-word-poems-easy-to-read-reproducible-poems.pdf
    • http://www.gorillawalker.com/pre-calculus.pdf
    • http://www.gorillawalker.com/gun-control-current-controversies.pdf
    • http://www.gorillawalker.com/let-s-go-usa-1994-and-canada-including-quebec-ontario.pdf
    • http://www.gorillawalker.com/embedded-computing-in-c-with-the-pic32-microcontroller.pdf
    • http://www.gorillawalker.com/coleccion-de-leyes-decretos-y-ordenes-publicadas-en-el-peru.pdf
    • http://www.gorillawalker.com/zippy-type-z-personality-zippy-graphic-novels.pdf
    • http://www.gorillawalker.com/embedded-systems-security-practical-methods-for-safe-and-secure-software.pdf
    • http://www.gorillawalker.com/states-of-the-art-and-practice-in-the-optimum-seismic.pdf
    • http://www.gorillawalker.com/against-calvinism-rescuing-god-s-reputation-from-radical-reformed-theology.pdf
    • http://www.gorillawalker.com/the-golden-sickle-a-tale.pdf
    • http://www.gorillawalker.com/industrial-scheduling.pdf
    • http://www.gorillawalker.com/the-miracle-of-christmas-classic-stories-of-the-holiday.pdf
    • http://www.gorillawalker.com/orangutan-odyssey.pdf
    • http://www.gorillawalker.com/router-magic-jigs-fixtures-and-tricks-to-unleash-your-router.pdf
    • http://www.gorillawalker.com/tit-4-tat-part-1.pdf
    • http://www.gorillawalker.com/indian-drama-in-english.pdf
    • http://www.gorillawalker.com/screenplay-the-foundations-of-screenwriting-kindle-edition.pdf
    • http://www.gorillawalker.com/wind-energy-physical-science.pdf
    • http://www.gorillawalker.com/the-patagonian-rabbit-kindle-edition.pdf
    • http://www.gorillawalker.com/historic-downtown-rosenberg-images-of-america.pdf
    • http://www.gorillawalker.com/jack-corbett-mariner.pdf
    • http://www.gorillawalker.com/the-black-flag-of-anarchism.pdf
    • http://www.gorillawalker.com/the-walrus-and-the-carpenter-and-other-favourite-poems.pdf
    • http://www.gorillawalker.com/sci-fi-como-escrever-fic-o-cient-fica-e-fantasia.pdf
    • http://www.gorillawalker.com/insight-pocket-guide-morocco.pdf
    • http://www.gorillawalker.com/leeward-islands-anguilla-st-martin-st-barts-st-eustatius-guadeloupe.pdf
    • http://www.gorillawalker.com/consumed-food-for-a-finite-planet.pdf
    • http://www.gorillawalker.com/billy-budd-sailor-radio-theatre.pdf
    • http://www.gorillawalker.com/mr-big-ozzy-sharon-and-my-life-as-the-godfather.pdf
    • http://www.gorillawalk
    • 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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