Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b3474f31e71f830…

MALICIOUS

PDF

45.9 KB Created: 2018-12-28 08:09:03 +03:00 Authoring application: - (via htmldoc 1.8.27 Copyright 1997-2006 Easy Software Products, All Rights Reserved.)
MD5: ca2647914b52aa8eb44ef8bdd352aab8 SHA-1: b976f75e923b4a7773c7db2422323e3fce0d6c78 SHA-256: 7b3474f31e71f830057a93ce496754d5dcbf4e1b5f5f4e1b6d6e98b026ef8f3b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious. The embedded URLs are likely used to distribute malicious content or for SEO manipulation. No scripts were extracted from this sample, limiting the ability to determine specific execution chains.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8914

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/pub-walks-for-motorists-devon-and-cornwall.pdf
    • http://www.gorillawalker.com/le-livre-des-superstitions-mythes-croyances-et-legendes-bouquins-french.pdf
    • http://www.gorillawalker.com/this-painting-better-color-pencil-drawing-cartoon-fruits-chinese-edition.pdf
    • http://www.gorillawalker.com/linear-algebra-and-its-applications-3rd-edition.pdf
    • http://www.gorillawalker.com/disney-winnie-the-pooh-2005-calender.pdf
    • http://www.gorillawalker.com/indo-european-origins-of-the-celtic-verb-i-the-sigmatic.pdf
    • http://www.gorillawalker.com/sri-lanka-travel-map-globetrotter-travel-map-folded-map-map.pdf
    • http://www.gorillawalker.com/the-economics-of-rights-co-operation-and-welfare.pdf
    • http://www.gorillawalker.com/a-hymnworks-christmas-a-tapestry-of-classical-music-and-christmas.pdf
    • http://www.gorillawalker.com/also-sprach-zarathustra-for-eight-electronic-keyboards-conductor-score-individual.pdf
    • http://www.gorillawalker.com/daisy-dawson-is-on-her-way.pdf
    • http://www.gorillawalker.com/force-and-motion-stop-faking-it-finally-understanding-science-so.pdf
    • http://www.gorillawalker.com/the-rhine-from-its-source-to-the-sea-kindle-edition.pdf
    • http://www.gorillawalker.com/eurythmy-rhythm-dance-rudolf-steiner-s-ideas-in-practice-series.pdf
    • http://www.gorillawalker.com/avery-s-neonatology-pathophysiology-and-management-of-the-newborn.pdf
    • http://www.gorillawalker.com/a-little-black-classics-pair-of-silk-stockings.pdf
    • http://www.gorillawalker.com/kentucky-america-the-beautiful-third-library-binding.pdf
    • http://www.gorillawalker.com/designed-for-submission-divine-designs-book-1.pdf
    • http://www.gorillawalker.com/the-big-blue-book-of-beginner-books-beginner-books-r.pdf
    • http://www.gorillawalker.com/microwave-components-and-systems-electronic-systems-engineering-series.pdf
    • http://www.gorillawalker.com/libro-de-tablas-comparativas-biblicas-mapas-y-lineas-de-tiempo.pdf
    • http://www.gorillawalker.com/the-valuation-of-real-estate-prentice-hall-series-in-real.pdf
    • http://www.gorillawalker.com/allies-and-arrai-the-dark-servant-book-21.pdf
    • http://www.gorillawalker.com/chasing-the-dragon-s-tail-the-theory-and-practice-of.pdf
    • http://www.gorillawalker.com/financial-management-barron-s-business-library.pdf
    • http://www.gorillawalker.com/christian-science-articles.pdf
    • http://www.gorillawalker.com/broken-bones-my-health.pdf
    • http://www.gorillawalker.com/not-dead-yet-and-one-or-two-other-good-things.pdf
    • http://www.gorillawalker.com/handbook-of-pharmaceutical-manufacturing-formulations-second-edition-handbook-of-pharmaceutical.pdf
    • http://www.gorillawalker.com/historic-photos-of-st-louis.pdf
    • http://www.gorillawalker.com/analysis-and-probability-wavelets-signals-fractals-graduate-texts-in-mathematics.pdf
    • http://www.gorillawalker.com/uncle-wizard-and-the-golden-orb.pdf
    • http://www.gorillawalker.com/a-dictionary-of-the-underworld-british-and-american-being-the.pdf
    • http://www.gorillawalker.com/rem-koolhaas-projectes-urbans-1985-1990-urban-projects-1985-1990.pdf
    • http://www.gorillawalker.com/crowned-an-ordinary-girl-harlequin-comics-kindle-edition.pdf
    • http://www.gorillawalker.com/violin-concerto-no-5-in-a-major-k-219-full.pdf
    • http://www.gorillawalker.com/renewable-energy-integration-practical-management-of-variability-uncertainty-and-flexibility.pdf
    • http://www.gorillawalker.com/common-clinical-diagnosis-series-handbook-of-childhood-leukemia-treatment-chinese.pdf
    • http://www.gorillawalker.com/minna-no-nihongo-workbook-bk-2.pdf
    • http://www.gorillawalker.com/presidential-cleaning-a-psychological-suspense-novel-kindle-edition.pdf
    • 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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