Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6c71585eef292b7…

MALICIOUS

PDF

32.9 KB Created: 2019-09-19 13:13:32 +03:00 Authoring application: Adobe Acrobat 7.0 (via Adobe Acrobat 7.0 Image Conversion Plug-in)
MD5: 18ff0c86cf4630ebe9de244e8861cc22 SHA-1: 3314d023bf5a15ec3a6c0e996f32d6f363d39a44 SHA-256: f6c71585eef292b79d6d7357ac29c0c17a05c8eaba97dbc58b6570dc613e1795
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. No scripts were extracted from this sample, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8529

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/training-the-cross-country-horse.pdf
    • http://www.gorillawalker.com/webster-s-third-new-international-dictionary-of-the-english-language.pdf
    • http://www.gorillawalker.com/las-hermanas-romanov-spanish-edition.pdf
    • http://www.gorillawalker.com/digital-infrared-photography-professional-techniques-and-images.pdf
    • http://www.gorillawalker.com/the-patriarch-house-of-shah-book-1-kindle-edition.pdf
    • http://www.gorillawalker.com/meeet-me-at-the-house.pdf
    • http://www.gorillawalker.com/virtual-unreality-just-because-the-internet-told-you-how-do.pdf
    • http://www.gorillawalker.com/geological-observations-on-south-america.pdf
    • http://www.gorillawalker.com/mcdougal-littell-history-of-the-united-states-student-text-grades.pdf
    • http://www.gorillawalker.com/legal-translation-and-court-interpreting-dictionary-english-spanish-el-diccionario.pdf
    • http://www.gorillawalker.com/bastia-colfe-de-saint-florent.pdf
    • http://www.gorillawalker.com/they-say-she-tastes-like-honey.pdf
    • http://www.gorillawalker.com/the-new-jamaica-describing-the-island-explaining-its-conditions-of.pdf
    • http://www.gorillawalker.com/lippincott-s-illustrated-reviews-pharmacology-special-millennium-update.pdf
    • http://www.gorillawalker.com/roberto-mancini-kindle-edition.pdf
    • http://www.gorillawalker.com/german-shepherd-puppies-2016-mini-7x7.pdf
    • http://www.gorillawalker.com/the-rise-and-fall-of-the-soviet-union-a-selected.pdf
    • http://www.gorillawalker.com/the-search-for-m-studies-in-austrian-literature-culture-and.pdf
    • http://www.gorillawalker.com/demon-sword-the-years-of-longdirk.pdf
    • http://www.gorillawalker.com/bhutan-entdecken-reisef-hrer-durch-das-land-des-gl-cks.pdf
    • http://www.gorillawalker.com/leonard-maltin-s-classic-movie-guide.pdf
    • http://www.gorillawalker.com/i-heart-band-1.pdf
    • http://www.gorillawalker.com/angel-s-heart-the-keeper-volume-1.pdf
    • http://www.gorillawalker.com/maximum-accessibility-making-your-web-site-more-usable-for-everyone.pdf
    • http://www.gorillawalker.com/zootrition-an-adventure-in-health-and-nutrition.pdf
    • http://www.gorillawalker.com/debating-war-why-arguments-opposing-american-wars-and-interventions-fail.pdf
    • http://www.gorillawalker.com/my-grandma-the-monster.pdf
    • http://www.gorillawalker.com/eccentricities-writing-in-the-margins-of-modernism-st-petersburg-to.pdf
    • http://www.gorillawalker.com/oncolog.pdf
    • http://www.gorillawalker.com/the-miracle-of-water.pdf
    • http://www.gorillawalker.com/fire-smart-home-handbook-preparing-for-and-surviving-the-threat.pdf
    • http://www.gorillawalker.com/boris-monologue-aria-for-bass-voice-sheet-music-from-the.pdf
    • http://www.gorillawalker.com/thieves-in-the-temple-the-christian-church-and-the-selling.pdf
    • http://www.gorillawalker.com/an-archaeology-of-social-space-analyzing-coffee-plantations-in-jamaica.pdf
    • http://www.gorillawalker.com/transpo-tricks-in-chess-batsford-chess-books.pdf
    • http://www.gorillawalker.com/mosaics-reading-and-writing-essays-6th-edition.pdf
    • http://www.gorillawalker.com/corazones-en-la-arena-cuidarte-el-alma-n-4-spanish.pdf
    • http://www.gorillawalker.com/strength-training-for-the-chest-poster.pdf
    • http://www.gorillawalker.com/examples-explanations-corporations-examples-and-explanations.pdf
    • http://www.gorillawalker.com/stick-in-the-mud-turtle-the.pdf
    • http://www.gorillawalker.com/the-new-jama
    • 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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