Malicious PDF — malware analysis report

Static analysis result for SHA-256 589e2791694cd92b…

MALICIOUS

PDF

44.4 KB Created: 2019-04-06 14:57:55 +03:00 Authoring application: calibre 0.9.8 [http://calibre-ebook.com] (via PoDoFo - http://podofo.sf.net)
MD5: 21eb3b57284c48099ea6327fdc1f604b SHA-1: 85da0899b285425fbe8c808e6ccca3e3968e072b SHA-256: 589e2791694cd92bf52683e078c87331e0b1e2d9e57920e712cdaa68e5371f7a
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged the document as malicious. The embedded links likely lead to malicious websites or further download stages, aiming to compromise the user's system. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8439

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/witness-to-transformation-refugee-insights-into-north-korea.pdf
    • http://www.gorillawalker.com/using-networks.pdf
    • http://www.gorillawalker.com/compliance-and-regulation-in-the-international-financial-services-industry.pdf
    • http://www.gorillawalker.com/cantata-a-novel.pdf
    • http://www.gorillawalker.com/home-team-advantage-from-the-fields-of-rural-alabama-to.pdf
    • http://www.gorillawalker.com/discrete-mathematics-and-its-applications-5th-fifth-edition.pdf
    • http://www.gorillawalker.com/catherine-of-siena-an-anthology-medieval-renais-text-studies.pdf
    • http://www.gorillawalker.com/wind-power-energy-technology-review.pdf
    • http://www.gorillawalker.com/gann-s-master-charts-unveiled.pdf
    • http://www.gorillawalker.com/cowboy-riches.pdf
    • http://www.gorillawalker.com/essentials-of-offshore-structures-framed-and-gravity-platforms.pdf
    • http://www.gorillawalker.com/bluescreen-compositing-a-practical-guide-for-video-moviemaking-dv-expert.pdf
    • http://www.gorillawalker.com/willow-wood-road-i-am-with-you-always-forever.pdf
    • http://www.gorillawalker.com/prosper-create-the-life-you-really-want-bk-life.pdf
    • http://www.gorillawalker.com/la-provence-2010-square-wall-multilingual-edition.pdf
    • http://www.gorillawalker.com/someone-stop-this-merry-go-round-an-alcoholic-family-in.pdf
    • http://www.gorillawalker.com/strategic-management-and-organisational-dynamics-the-challenge-of-complexity.pdf
    • http://www.gorillawalker.com/through-otis-eyes-lessons-from-a-guide-dog-puppy.pdf
    • http://www.gorillawalker.com/crown-of-stars-crown-of-stars-vol-7.pdf
    • http://www.gorillawalker.com/epilepsy-in-the-tropics-vademecum.pdf
    • http://www.gorillawalker.com/awakening-the-leader-within-a-story-of-transformation.pdf
    • http://www.gorillawalker.com/human-heredity-principles-and-issues-with-infotrac-and-human-geneticsnow.pdf
    • http://www.gorillawalker.com/oh-so-scrumptious-christmas-muffins-25-scrumptious-oozing-christmas-muffin.pdf
    • http://www.gorillawalker.com/weaver-on-strategy-the-classic-work-on-the-art-of.pdf
    • http://www.gorillawalker.com/statistical-thinking-for-non-statisticians-in-drug-regulation.pdf
    • http://www.gorillawalker.com/psychological-and-medical-aspects-of-induced-abortion-a-selective-annotated.pdf
    • http://www.gorillawalker.com/angel-s-mother-s-wedding.pdf
    • http://www.gorillawalker.com/above-the-fold-revised-edition.pdf
    • http://www.gorillawalker.com/in-the-shadow-of-a-badge-memoir-about-flight-93.pdf
    • http://www.gorillawalker.com/leisure-arts-the-magazine-june-1995-volume-9.pdf
    • http://www.gorillawalker.com/ginn-history-key-stage-2-invaders-and-settlers-pupil-book.pdf
    • http://www.gorillawalker.com/skeletal-development-of-the-hand-and-wrist-a-radiographic-atlas.pdf
    • http://www.gorillawalker.com/simulation-of-physical-and-media-access-control-mac-for-resilient.pdf
    • http://www.gorillawalker.com/patients-with-colorectal-cancer-guidebook-korean-edition.pdf
    • http://www.gorillawalker.com/xxx-big-boobs-and-big-butts-200-sex-pics-by.pdf
    • http://www.gorillawalker.com/1000-ejercicios-y-juegos-de-futbol-spanish-edition.pdf
    • http://www.gorillawalker.com/leonardo-the-golden-retriver-kindle-edition.pdf
    • http://www.gorillawalker.com/ibiza-fuerteventura-marco-polo-travel-guides.pdf
    • http://www.gorillawalker.com/soul-healing-miracles-ancient-and-new-sacred-wisdom-knowledge-and.pdf
    • http://www.gorillawalker.com/american-reckoning-the-vietnam-war-and-our-national-identity.pdf
    • http://www.gorillawalker.com/essentials-of-offsho
    • 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://calibre-ebook.com
    • http://ns.adobe.com/pdf/1.3/
    • http://podofo.sf.net
    • http://ns.adobe.com/xap/1.0/mm/
    • http://www.aiim.org/pdfa/ns/extension/
    • http://www.aiim.org/pdfa/ns/schema#
    +2 more URL(s)

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