Malicious PDF — malware analysis report

Static analysis result for SHA-256 e94f3cd0707f661b…

MALICIOUS

PDF

45.8 KB Created: 2019-03-16 14:24:01 +03:00 Authoring application: Adobe InDesign CS (3.0.1) (via Adobe PDF Library 6.0)
MD5: 765342fdaea2eff14a36b4ef55024902 SHA-1: d43b8f8b1bf9b19786d3b3d1f8ad1fe94b32ff48 SHA-256: e94f3cd0707f661b79dfd20d678482928f508f54bf68910131333e2a42203e37
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body was heavily obfuscated, preventing a deeper analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8173

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/ministry-to-the-incarcerated.pdf
    • http://www.gorillawalker.com/advanced-psychology-health-psychology.pdf
    • http://www.gorillawalker.com/elements-of-language-grammar-usage-and-mechanics-language-skills-practice.pdf
    • http://www.gorillawalker.com/treasury-of-book-ornament-and-decoration-537-borders-frames-and.pdf
    • http://www.gorillawalker.com/violin-concerto-no-3-kalmus-edition.pdf
    • http://www.gorillawalker.com/swing-song-jacob-s-mandolin-orchestra.pdf
    • http://www.gorillawalker.com/benny-hinn-prayer-fasting-biblical-keys-to-prayer-that-create.pdf
    • http://www.gorillawalker.com/christ-s-last-disclosure-of-himself.pdf
    • http://www.gorillawalker.com/welding-basics-by-ruth-karen-international-the-editors-of-creative.pdf
    • http://www.gorillawalker.com/you-can-t-come-in-here-you-re-invited-to.pdf
    • http://www.gorillawalker.com/beethoven-chamber-music-for-flute-complete-3-record-set-vinyl.pdf
    • http://www.gorillawalker.com/die-s-ddeutsche-k-che-reprint-der-originalausgabe-von-1897.pdf
    • http://www.gorillawalker.com/frances-power-cobbe-and-victorian-feminism.pdf
    • http://www.gorillawalker.com/images-of-mothers-in-literature-for-young-adults-american-university.pdf
    • http://www.gorillawalker.com/black-label-et-autres-poe-poesie-gallimard-french-edition.pdf
    • http://www.gorillawalker.com/la-sonrisa-de-mandela-spanish-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/la-chatte-m.pdf
    • http://www.gorillawalker.com/wild-west-erotica-3-story-collection-cowboy-rancher-billionaire-bundle.pdf
    • http://www.gorillawalker.com/introduction-to-intercollegiate-athletics.pdf
    • http://www.gorillawalker.com/breaking-the-devil-s-pact-the-battle-to-free-the.pdf
    • http://www.gorillawalker.com/viva-el-espanol-spanish-edition.pdf
    • http://www.gorillawalker.com/chinese-link-traditional-level-1-part-2-pt-2.pdf
    • http://www.gorillawalker.com/by-lonely-planet-lonely-planet-discover-costa-rica-travel-guide.pdf
    • http://www.gorillawalker.com/the-good-war-why-we-couldn-146-t-win-the.pdf
    • http://www.gorillawalker.com/suzuki-gsx1300r-hayabusa-99-to-04-haynes-service-repair-manual.pdf
    • http://www.gorillawalker.com/turkish-politics-and-the-rise-of-the-akp-dilemmas-of.pdf
    • http://www.gorillawalker.com/eric-the-math-bear.pdf
    • http://www.gorillawalker.com/chesapeake-bay-retriever-calendar-2016-wall-calendars-dog-calendars-monthly.pdf
    • http://www.gorillawalker.com/houses-that-change-the-world.pdf
    • http://www.gorillawalker.com/cooking-with-miracle-whip-salad-dressing-12-great-recipes-50th.pdf
    • http://www.gorillawalker.com/accidentally-a-magical-girl-magic-gender-change-kindle-edition.pdf
    • http://www.gorillawalker.com/glencoe-world-geography-reading-essentials-and-study-guide-workbook.pdf
    • http://www.gorillawalker.com/iwrite-using-blogs-wikis-and-digital-stories-in-the-english.pdf
    • http://www.gorillawalker.com/delayed-impact-the-holocaust-and-the-canadian-jewish-community.pdf
    • http://www.gorillawalker.com/tiny-titans-vol-5-field-trippin.pdf
    • http://www.gorillawalker.com/american-jurisprudence-2d-new-topic-service-credit-cards-and-charge.pdf
    • http://www.gorillawalker.com/virtual.pdf
    • http://www.gorillawalker.com/xafs-for-everyone.pdf
    • http://www.gorillawalker.com/buffy-the-vampire-slayer-season-8-volume-3-wolves-at.pdf
    • http://www.gorillawalker.com/wicked-irish-wicked-s.pdf
    • http://www.gorillawalker.com
    • 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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