Malicious PDF — malware analysis report

Static analysis result for SHA-256 e229d6e0f11721fc…

MALICIOUS

PDF

47.5 KB Created: 2018-11-30 20:08:45 +03:00 Authoring application: dvips(k) 5.95a Copyright 2005 Radical Eye Software (via GPL Ghostscript 8.61)
MD5: 0bbd969d9c1463a05e83dbe3762f9b62 SHA-1: aa16f88083d74016291228f8d891bb9841db49e3 SHA-256: e229d6e0f11721fc344f674a5b963cb30a502bcab9706e01d695a705681c6340
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing 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 unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8013

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/samoa-s-journey-1962-2012-aspects-of-history.pdf
    • http://www.gorillawalker.com/cumberland-centenary-publication.pdf
    • http://www.gorillawalker.com/lifespan-development-infancy-through-adulthood.pdf
    • http://www.gorillawalker.com/pa-rriba-y-pa-lante-mis-secretos-para-triunfar-en.pdf
    • http://www.gorillawalker.com/sole-provider-thirty-years-of-nike-basketball.pdf
    • http://www.gorillawalker.com/dr-neal-barnard-s-program-for-reversing-diabetes-the-scientifically.pdf
    • http://www.gorillawalker.com/c-mo-escribir-una-tesis-redacci-n-del-informe-final.pdf
    • http://www.gorillawalker.com/statutory-instruments-1998-part-iii-pt-3.pdf
    • http://www.gorillawalker.com/parisian-interiors.pdf
    • http://www.gorillawalker.com/a-man-s-world-the-double-life-of-emile-griffith.pdf
    • http://www.gorillawalker.com/fish-a-remarkable-way-to-boost-morale-and-improve-results.pdf
    • http://www.gorillawalker.com/managing-your-software-project-a-student-s-guide.pdf
    • http://www.gorillawalker.com/the-great-betrayal-the-memoirs-of-africa-s-most-controversial.pdf
    • http://www.gorillawalker.com/sir-joshua-reynolds-propos-sur-l-art-theorie-de-l.pdf
    • http://www.gorillawalker.com/flame-of-recca-vol-3-kindle-edition.pdf
    • http://www.gorillawalker.com/isla-margarita-venezuela-including-its-history-porlamar-playa-parguito-playa.pdf
    • http://www.gorillawalker.com/concordance-of-a-course-in-miracles-a-complete-index.pdf
    • http://www.gorillawalker.com/the-collaborative-leadership-fieldbook.pdf
    • http://www.gorillawalker.com/great-britain-and-northern-ireland-map.pdf
    • http://www.gorillawalker.com/london-crowds-in-the-reign-of-charles-ii-propaganda-and.pdf
    • http://www.gorillawalker.com/newfoundland-and-labrador-celebrity-cookbook-cooking-for-the-cause.pdf
    • http://www.gorillawalker.com/flesh-true-homosexual-experiences-s-t-h-v-2.pdf
    • http://www.gorillawalker.com/principles-of-chest-x-ray-diagnosis.pdf
    • http://www.gorillawalker.com/over-the-wire-a-canadian-pilot-s-memoir-of-war.pdf
    • http://www.gorillawalker.com/kona-forevermore-a-kid-s-guide-to-kona-hawaii.pdf
    • http://www.gorillawalker.com/an-amish-wedding-by-beth-wiseman-nov-29-2011.pdf
    • http://www.gorillawalker.com/virgil-thomson-music-chronicles-1940-1954.pdf
    • http://www.gorillawalker.com/brain-and-blood-flow-symposium-proceedings.pdf
    • http://www.gorillawalker.com/holy-women-of-byzantium-ten-saints-lives-in-english-translation.pdf
    • http://www.gorillawalker.com/a-northern-woman-in-the-plantation-south-letters-of-tryphena.pdf
    • http://www.gorillawalker.com/ship-of-the-damned.pdf
    • http://www.gorillawalker.com/the-south-beach-diet-cookbook-more-than-200-delicious-recipes.pdf
    • http://www.gorillawalker.com/cunningly-clever-marketing.pdf
    • http://www.gorillawalker.com/the-leader-s-guidebook-first-steps-for-the-new-christian.pdf
    • http://www.gorillawalker.com/i-recommend-b-flat-clarinet.pdf
    • http://www.gorillawalker.com/brushstrokes-of-blue-the-young-poets-of-iceland.pdf
    • http://www.gorillawalker.com/war-against-the-people-israel-the-palestinians-and-global-pacification.pdf
    • http://www.gorillawalker.com/super-science-matter-matters.pdf
    • http://www.gorillawalker.com/assembly-and-commissioning-refrigerators-and-air-conditioners-secondary-vocational-education.pdf
    • http://www.gorillawalker.com/seasons-winter-recipes-the-weight-watchers-collection.pdf
    • http://www.gorillawalker.com/sole-provider-thirty-y
    • 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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