Malicious PDF — malware analysis report

Static analysis result for SHA-256 690e732842a0bc1a…

MALICIOUS

PDF

43.1 KB Created: 2018-11-23 08:05:36 +03:00 Authoring application: FrameMaker 7.0 (via Acrobat Distiller 5.0.5 (Windows); modified using iText® 5.5.4 ©2000-2014 iText Group NV (AGPL-version))
MD5: ff21f35b98c74286c048ace21496a7d6 SHA-1: 2d2922e97b651ff4eb0dd46eabadf10c966d1eee SHA-256: 690e732842a0bc1ace8e89913e7e2fb3cdd6958334643e0e898c50a93da99c47
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF documents on the domain gorillawalker.com. The ML classifier also flagged this PDF as malicious. The embedded links suggest an attempt to manipulate search engine results or to distribute a large number of potentially malicious documents.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9181

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/bird-witched-how-birds-can-change-a-life-mildred-wyatt.pdf
    • http://www.gorillawalker.com/un-chef-para-todo-el-ano-spanish-edition.pdf
    • http://www.gorillawalker.com/the-great-iron-ship.pdf
    • http://www.gorillawalker.com/the-key-to-the-asian-miracle-making-shared-growth-credible.pdf
    • http://www.gorillawalker.com/common-law-marriage-catholic-university-of-america-canon-law-studies.pdf
    • http://www.gorillawalker.com/rethinking-the-education-of-deaf-students-theory-and-practice-from.pdf
    • http://www.gorillawalker.com/how-to-get-a-grip.pdf
    • http://www.gorillawalker.com/the-designer-as-author-producer-activist-entrepreneur-curator-and-collaborator.pdf
    • http://www.gorillawalker.com/stochastic-and-deterministic-averaging-processes-iee-digital-electronics-computing-series.pdf
    • http://www.gorillawalker.com/argentine-tango-volume-iv-by-daniel-trenner-vhs-videocassette-no.pdf
    • http://www.gorillawalker.com/changuito-a-master-s-approach-to-the-timbales.pdf
    • http://www.gorillawalker.com/currencies-of-the-world-how-money-works-young-reed.pdf
    • http://www.gorillawalker.com/fractals-and-chaos-simplified-for-the-life-sciences.pdf
    • http://www.gorillawalker.com/die-russischen-nomina-abstracta-des-18-und-beginnenden-19-jahrhunderts.pdf
    • http://www.gorillawalker.com/metallurgy-fundamentals.pdf
    • http://www.gorillawalker.com/preacher-joke-book.pdf
    • http://www.gorillawalker.com/popular-the-ups-and-downs-of-online-dating-from-the.pdf
    • http://www.gorillawalker.com/the-power-and-limits-of-ngos.pdf
    • http://www.gorillawalker.com/letters-from-the-south-written-during-an-excursion-in-the.pdf
    • http://www.gorillawalker.com/henry-darger.pdf
    • http://www.gorillawalker.com/people-of-the-road-the-irish-travellers-irish-studies.pdf
    • http://www.gorillawalker.com/culture-shock-czech-republic-a-guide-to-customs-and-etiquette.pdf
    • http://www.gorillawalker.com/the-way-west-journal-of-a-pioneer-woman.pdf
    • http://www.gorillawalker.com/captive-spirits-prisoners-of-the-cultural-revolution.pdf
    • http://www.gorillawalker.com/corporate-sustainability-integrating-performance-and-reporting.pdf
    • http://www.gorillawalker.com/ganesa-lord-of-obstacles-lord-of-beginnings.pdf
    • http://www.gorillawalker.com/black-fucked-a-married-white-woman-learns-to-suck-fuck.pdf
    • http://www.gorillawalker.com/hentai-tentacle-demon-m-f-monster-erotica.pdf
    • http://www.gorillawalker.com/requiem-vocal-score-latin-a2730.pdf
    • http://www.gorillawalker.com/a-dance-of-the-forests-a-three-crowns-book.pdf
    • http://www.gorillawalker.com/die-meistersinger-von-n-rnberg-wwv-96-overture-concert-version.pdf
    • http://www.gorillawalker.com/a-kiss-out-of-time.pdf
    • http://www.gorillawalker.com/grain-mills-and-flour-in-classical-antiquity.pdf
    • http://www.gorillawalker.com/this-old-van.pdf
    • http://www.gorillawalker.com/el-factor-venezuela-an-article-from-proceso-html-digital.pdf
    • http://www.gorillawalker.com/i-will-teach-you-to-be-rich-unabridged-audible-audio.pdf
    • http://www.gorillawalker.com/blame-my-brain.pdf
    • http://www.gorillawalker.com/diccionario-espa-nol-de-sinonimos-y-antonimos-coleccion-obras-de.pdf
    • http://www.gorillawalker.com/the-templar-spirit-the-esoteric-inspiration-rituals-and-beliefs-of.pdf
    • http://www.gorillawalker.com/the-clinical-neuropsychiatry-of-multiple-sclerosis-psychiatry-and-medicine.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/