Malicious PDF — malware analysis report

Static analysis result for SHA-256 a0d55f680a558b94…

MALICIOUS

PDF

40.0 KB Created: 2018-11-14 10:08:31 +03:00 Authoring application: Adobe Acrobat 7.0 (via Adobe Acrobat 7.0 Image Conversion Plug-in)
MD5: 6527024f483e0471bec3aa971649fbf8 SHA-1: e4963879fbf1c7197ce7284eae476e48d0e89125 SHA-256: a0d55f680a558b942265f39b2a41476d4619e2c8c67ef3c10157e26724be8f97
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF file contains a large number of embedded links to external PDF documents, primarily hosted on www.gorillawalker.com. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute potentially malicious content. No scripts were extracted, and the document body was unreadable, limiting the analysis of the specific lure. The primary attack pattern observed is the mass distribution of links within the PDF.

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/niv-bible-concordance.pdf
    • http://www.gorillawalker.com/engineering-drawing-problems-workbook-series-4-for-technical-drawing-with.pdf
    • http://www.gorillawalker.com/william-carlos-williams-a-new-world-naked.pdf
    • http://www.gorillawalker.com/god-loves-the-freaks-a-guide-to-subculture-ministry.pdf
    • http://www.gorillawalker.com/on-the-back-of-the-other-side.pdf
    • http://www.gorillawalker.com/teach-yourself-better-handwriting.pdf
    • http://www.gorillawalker.com/oprah-winfrey-reaching-out-to-others-awesome-values-in-famous.pdf
    • http://www.gorillawalker.com/8-lieder-op-49-waldseligkeit-no-1-for-voice-and.pdf
    • http://www.gorillawalker.com/the-oxford-handbook-of-panel-data-oxford-handbooks.pdf
    • http://www.gorillawalker.com/reading-matters-narrative-in-the-new-media-ecology.pdf
    • http://www.gorillawalker.com/writing-to-inform-level-c-use-and-keep-writing-portfolio.pdf
    • http://www.gorillawalker.com/following-you-through-time-moonlight-wishes-in-time-series-volume.pdf
    • http://www.gorillawalker.com/israeli-jewish-songs-and-dances-piano-guitar-folk-music.pdf
    • http://www.gorillawalker.com/modulation-of-synaptic-transmission-and-plasticity-in-nervous-systems-nato.pdf
    • http://www.gorillawalker.com/saunders-equine-formulary-pageburst-e-book-on-vitalsource-retail-access.pdf
    • http://www.gorillawalker.com/the-woman-who-married-a-bear.pdf
    • http://www.gorillawalker.com/mazurkas-for-piano-vol-25-series-b-posthumous.pdf
    • http://www.gorillawalker.com/empowering-knowledge-workers-bpm-and-workflow-handbook-series.pdf
    • http://www.gorillawalker.com/a-privileged-life-celebrating-wasp-style.pdf
    • http://www.gorillawalker.com/instrument-rating-test-prep-2005-study-and-prepare-for-the.pdf
    • http://www.gorillawalker.com/a-better-safe-than-sorry-book.pdf
    • http://www.gorillawalker.com/bitterblue-graceling.pdf
    • http://www.gorillawalker.com/my-life-with-the-eskimo-new-edition.pdf
    • http://www.gorillawalker.com/demons-are-a-ghoul-s-best-friend-ghost-hunter-mysteries.pdf
    • http://www.gorillawalker.com/informal-learning-at-work-how-to-boost-performance-in-tough.pdf
    • http://www.gorillawalker.com/el-c-talogo-art-stico-del-rijksmuseum-el-arte-magn.pdf
    • http://www.gorillawalker.com/taking-care-of-pets-yellow-umbrella-emergent-level.pdf
    • http://www.gorillawalker.com/agenda-setting-in-the-u-s-senate-costly-consideration-and.pdf
    • http://www.gorillawalker.com/leave-if-you-can.pdf
    • http://www.gorillawalker.com/v-b-rose-vol-10.pdf
    • http://www.gorillawalker.com/poetry-in-motion-100-poems-from-the-subways-and-buses.pdf
    • http://www.gorillawalker.com/know-me-as-i-am.pdf
    • http://www.gorillawalker.com/the-divine-liturgy-alfeyev-music-cd-slavic-edition.pdf
    • http://www.gorillawalker.com/untreatable.pdf
    • http://www.gorillawalker.com/conversaciones-con-dios-una-experiencia-extraordinaria-spanish-edition.pdf
    • http://www.gorillawalker.com/amazing-animals-hawks.pdf
    • http://www.gorillawalker.com/unjust-enrichment-a-study-of-private-law-and-public-values.pdf
    • http://www.gorillawalker.com/fernando-webster-s-specialty-crossword-puzzles.pdf
    • http://www.gorillawalker.com/shadow-of-the-ancients-the-secret-of-ji-book-3.pdf
    • http://www.gorillawalker.com/agatha-christie-companion-the-complete-guide-to-agatha-christie-s.pdf
    • http://www.gorillawalker.com/w
    • 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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