Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f9b028cf04e27c3…

MALICIOUS

PDF

39.4 KB Created: 2018-11-14 08:26:27 +03:00 Authoring application: http://www.helpandmanual.com (via wPDF3 by WPCubed GmbH)
MD5: b54492ade8a70d8bed4d636cf95b3405 SHA-1: 3d00e3013fbcbb8545116fcd5573d04257265b5a SHA-256: 1f9b028cf04e27c324865d99635158a05cd85c6527643797f258303c5817a0f9
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF was flagged by a machine learning classifier and contains a large number of external links, indicating a potential SEO manipulation or content distribution scheme. The embedded URLs point to various PDF documents hosted on www.gorillawalker.com. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific intent beyond link farming.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9526

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/te-enamorar-s-de-m-jazm-n-spanish-edition.pdf
    • http://www.gorillawalker.com/pogonip-mule-ears-a-souvenir-book.pdf
    • http://www.gorillawalker.com/estrategias-del-nclex-rn-spanish-edition.pdf
    • http://www.gorillawalker.com/progress-in-cancer-treatment-by-orthomolecular-food-and-water-medicine.pdf
    • http://www.gorillawalker.com/an-annotated-bibliography-of-climatic-maps-of-indonesia.pdf
    • http://www.gorillawalker.com/the-danish-texans-texians-and-the-texans.pdf
    • http://www.gorillawalker.com/the-hydrolysis-of-cations.pdf
    • http://www.gorillawalker.com/maxfield-parrish-identification-and-price-guide-4th-edition.pdf
    • http://www.gorillawalker.com/bud-the-bunny-marvelous-menagerie.pdf
    • http://www.gorillawalker.com/an-analysis-of-nathaniel-hawthorne-s-young-goodman-brown-kindle.pdf
    • http://www.gorillawalker.com/the-higher-calculus-a-history-of-real-and-complex-analysis.pdf
    • http://www.gorillawalker.com/strong-at-the-broken-places-overcoming-the-trauma-of-childhood.pdf
    • http://www.gorillawalker.com/once-a-dancer-an-autobiography.pdf
    • http://www.gorillawalker.com/red-earth-white-lies-native-americans-and-the-myth-of.pdf
    • http://www.gorillawalker.com/community-and-everyday-life-the-new-sociology.pdf
    • http://www.gorillawalker.com/chemical-calculations-mathematics-for-chemistry-second-edition.pdf
    • http://www.gorillawalker.com/learning-responsive-web-design-a-beginner-s-guide.pdf
    • http://www.gorillawalker.com/il-bello-del-senza-glutine-francesco-favorito-pastry-chef-italian.pdf
    • http://www.gorillawalker.com/the-new-cold-war-religious-nationalism-confronts-the-secular-state.pdf
    • http://www.gorillawalker.com/good-manners-with-your-parents-good-manners-in-relationships.pdf
    • http://www.gorillawalker.com/build-your-own-telephone-build-your-own-kit.pdf
    • http://www.gorillawalker.com/moons-for-sale.pdf
    • http://www.gorillawalker.com/decorative-victorian-needlework.pdf
    • http://www.gorillawalker.com/easy-great-hymns-bb-clarinet-bb-bass-clarinet-grade-2.pdf
    • http://www.gorillawalker.com/finding-destiny-sons-of-destiny.pdf
    • http://www.gorillawalker.com/international-organizations-a-companion.pdf
    • http://www.gorillawalker.com/billionaire-beach-sissy-billionaire-cuckold-sissy-genderswap.pdf
    • http://www.gorillawalker.com/high-performance-small-block-ford-engines-best-of-hot-rod.pdf
    • http://www.gorillawalker.com/single-molecule-biophysics-experiment-and-theory-advances-in-chemical-physics.pdf
    • http://www.gorillawalker.com/get-saucy-volume-1-of-2-make-dinner-a-new.pdf
    • http://www.gorillawalker.com/clone-being-exploring-the-psychological-and-social-dimensions.pdf
    • http://www.gorillawalker.com/metaphysics-and-music-in-adorno-and-heidegger.pdf
    • http://www.gorillawalker.com/a-history-of-the-comstock-silver-lode-mines-nevada-and.pdf
    • http://www.gorillawalker.com/the-rise-of-the-israelite-monarchy-the-growth-and-development.pdf
    • http://www.gorillawalker.com/all-new-decorating-idea-book-taunton-home-idea-books.pdf
    • http://www.gorillawalker.com/avancemos-cuaderno-para-hispanohablantes-student-workbook-with-review-bookmarks-level.pdf
    • http://www.gorillawalker.com/lazzat-e-kam-o-dahan-cooking-recipes-from-karachi-urdu.pdf
    • http://www.gorillawalker.com/bridge-engineering-practice-korean-edition.pdf
    • http://www.gorillawalker.com/single-chain-silicates-rock-forming-minerals-v-2a.pdf
    • http://www.gorillawalker.com/a-berliner-s-luck.pdf
    • http://www.helpandmanual.com
    • http://www.gorillawalker.com/maxfield-parr
    • 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#
    +1 more URL(s)

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