Malicious PDF — malware analysis report

Static analysis result for SHA-256 098aba20b7eabe37…

MALICIOUS

PDF

45.6 KB Created: 2018-11-26 20:03:22 +03:00 Authoring application: PSCRIPT.DRV Version 4.0 (via Acrobat Distiller 3.01 for Windows)
MD5: f5849f8d13c95f7b2319d844915b7b44 SHA-1: 29996afe7f3e9038af1c49facbfaa0df7fed2217 SHA-256: 098aba20b7eabe37f9b7d875b28023cc92031d338256b8901de64d0eb297f3e6
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

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 heavily obfuscated, preventing a deeper analysis of its specific intent beyond link distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8634

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/wholly-kids.pdf
    • http://www.gorillawalker.com/history-of-rationalism-embracing-a-survey-of-the-present-state.pdf
    • http://www.gorillawalker.com/venice-ecruise-port-guide-budget-edition-book-2-kindle-edition.pdf
    • http://www.gorillawalker.com/water-technology-in-the-middle-ages-cities-monasteries-and-waterworks.pdf
    • http://www.gorillawalker.com/guia-oceano-cuba-spanish-edition.pdf
    • http://www.gorillawalker.com/blair-s-nightmare-the-stanley-family.pdf
    • http://www.gorillawalker.com/nuevos-conceptos-y-enfoques-para-el-manejo-de-suelos-en.pdf
    • http://www.gorillawalker.com/gathering-storm-a-western-duo-center-point-western-complete-large.pdf
    • http://www.gorillawalker.com/seasons-of-hunger-fighting-cycles-of-starvation-among-the-world.pdf
    • http://www.gorillawalker.com/by-fodor-s-fodor-s-in-focus-barbados-st-lucia.pdf
    • http://www.gorillawalker.com/optoelectronic-technology-and-lightwave-communications-systems.pdf
    • http://www.gorillawalker.com/cognitive-hypnotherapy-an-integrated-approach-to-the-treatment-of-emotional.pdf
    • http://www.gorillawalker.com/confederate-states-paper-money-civil-war-currency-from-the-south.pdf
    • http://www.gorillawalker.com/steck-vaughn-ged-official-practice-test-3-1-interim-hard.pdf
    • http://www.gorillawalker.com/doti-s-contract-law-flowcharts-and-cases-a-student-s.pdf
    • http://www.gorillawalker.com/wireless-mobile-internet-security.pdf
    • http://www.gorillawalker.com/a-treatise-on-the-theory-and-management-of-ulcers-with.pdf
    • http://www.gorillawalker.com/airpower-for-strategic-effect.pdf
    • http://www.gorillawalker.com/marriages-and-families-changes-choices-and-constraints.pdf
    • http://www.gorillawalker.com/letters-for-litigators-essential-communicatons-for-opposing-counsel-witnesses-clients.pdf
    • http://www.gorillawalker.com/kenzine-volume-iv.pdf
    • http://www.gorillawalker.com/north-korea-kidnapped-my-daughter.pdf
    • http://www.gorillawalker.com/keep-the-lights-burning-abbie.pdf
    • http://www.gorillawalker.com/bible-atlas-a-manual-of-biblical-geography-and-history-especially.pdf
    • http://www.gorillawalker.com/arq-architectural-research-quarterly-volume-6-part-3.pdf
    • http://www.gorillawalker.com/a-mother-s-choice-a-short-story-culture-shaper-shorts.pdf
    • http://www.gorillawalker.com/rin-ne-vol-17.pdf
    • http://www.gorillawalker.com/wonderland-piano-vocal-selections-from-the-broadway-musical.pdf
    • http://www.gorillawalker.com/the-berenstain-bears-and-the-double-dare.pdf
    • http://www.gorillawalker.com/ave-maria-schubert-sheet-music-for-various-solo-instruments-piano.pdf
    • http://www.gorillawalker.com/produce-degradation-pathways-and-prevention.pdf
    • http://www.gorillawalker.com/god-christ-and-us.pdf
    • http://www.gorillawalker.com/there-s-a-map-on-my-lap-all-about-maps.pdf
    • http://www.gorillawalker.com/surfaces-oxford-chemistry-primers.pdf
    • http://www.gorillawalker.com/12-etude-caprices-in-the-styles-of-the-great-composers.pdf
    • http://www.gorillawalker.com/the-grimke-sisters-of-south-carolina-pioneers-for-women-s.pdf
    • http://www.gorillawalker.com/so-you-want-to-be-a-medical-mum-medical-careers.pdf
    • http://www.gorillawalker.com/once-upon-a-time-the-east-midlands.pdf
    • http://www.gorillawalker.com/the-bride-lottery-a-sweet-historical-mail-order-bride-romance.pdf
    • http://www.gorillawalker.com/howard-pyle-his-life-his-work-2-volume-set.pdf
    • 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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