Malicious PDF — malware analysis report

Static analysis result for SHA-256 26f71e50c34aa54c…

MALICIOUS

PDF

44.1 KB Created: 2019-01-06 08:24:31 +03:00 Authoring application: Adobe Photoshop 5.0 (via Adobe Photoshop for Windows)
MD5: a7814327cad91e3cbc10949891ffe140 SHA-1: 75bcdb5e82bfa4410c9883bd13ac58f9aa20dce3 SHA-256: 26f71e50c34aa54c31f97ffc435281c424d551c64b04ab7cf23b9ef9f23a01ce
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links pointing 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 with high confidence. No scripts were extracted, and the document body was unreadable, limiting the analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9171

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/label-your-luggage-kindle-edition.pdf
    • http://www.gorillawalker.com/people-will-talk.pdf
    • http://www.gorillawalker.com/chemistry-cell-biology-and-genetics-2nd-second-edition-bybrooker.pdf
    • http://www.gorillawalker.com/explorations-great-moments-of-discovery-from-the-royal-geographical-society.pdf
    • http://www.gorillawalker.com/light-the-candle-bang-the-drum-a-book-of-holidays.pdf
    • http://www.gorillawalker.com/sea-queen-the-windwalker-archive-book-2-the-windwalker-archive.pdf
    • http://www.gorillawalker.com/zero-zero-8-march-april-1996.pdf
    • http://www.gorillawalker.com/madison-and-jefferson.pdf
    • http://www.gorillawalker.com/in-the-trenches-in-search-of-the-counselor-within-experience.pdf
    • http://www.gorillawalker.com/the-discovery-of-hypnosis-the-complete-writings-of-james-braid.pdf
    • http://www.gorillawalker.com/the-schwarzschild-radius.pdf
    • http://www.gorillawalker.com/just-about.pdf
    • http://www.gorillawalker.com/save-with-jamie-shop-smart-cook-clever-waste-less.pdf
    • http://www.gorillawalker.com/all-the-stars-are-in-your-eyes-volume-2-of.pdf
    • http://www.gorillawalker.com/computational-science-iccs-2001-international-conference-san-francisco-ca-usa.pdf
    • http://www.gorillawalker.com/practical-thermoforming-principles-and-applications-second-edition-plastics-engineering.pdf
    • http://www.gorillawalker.com/louise-webster-s-specialty-crossword-puzzles.pdf
    • http://www.gorillawalker.com/your-calling-as-an-elder.pdf
    • http://www.gorillawalker.com/how-not-to-be-wrong-the-power-of-mathematical-thinking.pdf
    • http://www.gorillawalker.com/rings-clusters-and-polymers-of-main-group-and-transition-elements.pdf
    • http://www.gorillawalker.com/release-your-wow-7-steps-to-self-awareness-personal-fulfilment.pdf
    • http://www.gorillawalker.com/dexterity-exercises-and-dance-for-recorders-in-f-oefeningen-en.pdf
    • http://www.gorillawalker.com/the-brigham-intensive-review-of-internal-medicine-question-and-answer.pdf
    • http://www.gorillawalker.com/seismic-attributes-for-prospect-id-and-reservoir-characterization-geophysical-developments.pdf
    • http://www.gorillawalker.com/greece-a-galaxy-book.pdf
    • http://www.gorillawalker.com/util-y-muy-ameno-vocabulario-para-enternder-a-los-mexicanos.pdf
    • http://www.gorillawalker.com/arizona-state-university-football-2001-calendar-collegiate-football.pdf
    • http://www.gorillawalker.com/win-more-business-write-better-proposals.pdf
    • http://www.gorillawalker.com/archie-archives-volume-10.pdf
    • http://www.gorillawalker.com/armoured-hussars-2-images-of-the-1st-polish-armoured-division.pdf
    • http://www.gorillawalker.com/surface-line-dispatcher-passbooks-career-examination-passbooks.pdf
    • http://www.gorillawalker.com/urogynecology-and-reconstructive-pelvic-surgery-4e.pdf
    • http://www.gorillawalker.com/historic-spots-in-california.pdf
    • http://www.gorillawalker.com/career-discovery-encyclopedia-7th-edition.pdf
    • http://www.gorillawalker.com/roads-and-tracks-of-the-lake-district-cicerone-guides.pdf
    • http://www.gorillawalker.com/faith-dilemmas-for-marketplace-christians-a-resource-for-small-groups.pdf
    • http://www.gorillawalker.com/berlitz-country-guides-indonesia.pdf
    • http://www.gorillawalker.com/100-questions-answers-about-hiv-and-aids-2nd-second-edition.pdf
    • http://www.gorillawalker.com/the-hen-party-handbook-2011-the-no-1-guide-to.pdf
    • http://www.gorillawalker.com/essential-musicianship-for-strings-ensemble-concepts-fundamental-level-viola.pdf
    • http://www.gorillawalker.com/sea-queen-th
    • 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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