Malicious PDF — malware analysis report

Static analysis result for SHA-256 c466cd6b16c79576…

MALICIOUS

PDF

43.2 KB Created: 2018-11-23 20:30:17 +03:00 Authoring application: www.freepdfconvert.com (via http://www.freepdfconvert.com) First seen: 2019-01-11
MD5: d49c14074e53c9b386905b347eb92183 SHA-1: a118a36e641905e88fb025e1ff9a0007f1efb051 SHA-256: c466cd6b16c79576a395402e004c934af61905c25ab0cb288b0b7f976d1e2071
92 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains multiple external URLs, one of which is explicitly flagged by a heuristic as an external URI. The ML classifier also flagged this PDF as malicious. The presence of these URLs suggests an attempt to redirect the user to download further content, likely malicious. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9016

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/je-suis-petite-moi-men-kichikmanmi-un-livre-d-images.pdf In PDF document text
    • http://www.gorillawalker.com/always-will.pdfIn PDF document text
    • http://www.gorillawalker.com/pain-related-fear-exposure-based-treatment-of-chronic-pain.pdfIn PDF document text
    • http://www.gorillawalker.com/walkin-after-midnight.pdfIn PDF document text
    • http://www.gorillawalker.com/heavens.pdfIn PDF document text
    • http://www.gorillawalker.com/don-quixote-piano-score-ballet-in-three-acts-six-scenes.pdfIn PDF document text
    • http://www.gorillawalker.com/92-acharnon-street.pdfIn PDF document text
    • http://www.gorillawalker.com/boundless-kindle-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/god-s-assassins-state-terrorism-in-argentina-in-the-1970s.pdfIn PDF document text
    • http://www.gorillawalker.com/pt-platinum-supplement-volume-a-1-technology-of-platinum-group.pdfIn PDF document text
    • http://www.gorillawalker.com/a-dramatistic-analysis-of-john-grierson-s-rhetoric-in-the.pdfIn PDF document text
    • http://www.gorillawalker.com/second-forgetting-remembering-the-power-of-the-gospel-during-alzheimer.pdfIn PDF document text
    • http://www.gorillawalker.com/seashells-of-south-africa-volume-1-a-p-morais.pdfIn PDF document text
    • http://www.gorillawalker.com/the-irreducible-tensor-method-for-molecular-symmetry-groups-dover-books.pdfIn PDF document text
    • http://www.gorillawalker.com/scientific-thinking-and-scientific-writing.pdfIn PDF document text
    • http://www.gorillawalker.com/canadian-inland-seas-elsevier-oceanography-series.pdfIn PDF document text
    • http://www.gorillawalker.com/transgender-people-at-issue.pdfIn PDF document text
    • http://www.gorillawalker.com/fundamentals-of-college-admission-counseling-3rd-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/escape-from-laos.pdfIn PDF document text
    • http://www.gorillawalker.com/in-monrovia-the-river-visits-the-sea.pdfIn PDF document text
    • http://www.gorillawalker.com/south-america-through-rose-tinted-spectacles-a-golden-age-gap.pdfIn PDF document text
    • http://www.gorillawalker.com/the-united-states-constitution-what-it-says-what-it-means.pdfIn PDF document text
    • http://www.gorillawalker.com/how-to-draw-cartoons-and-caricatures-young-artist-series.pdfIn PDF document text
    • http://www.gorillawalker.com/selected-papers-on-statistical-design-of-integrated-circuits-advances-in.pdfIn PDF document text
    • http://www.gorillawalker.com/violence-against-women-criminological-perspectives-on-men-s-violences.pdfIn PDF document text
    • http://www.gorillawalker.com/senior-service.pdfIn PDF document text
    • http://www.gorillawalker.com/entwurfsatlas-schulen-und-kindergarten-german-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/the-transforming-power-of-affect-a-model-for-accelerated-change.pdfIn PDF document text
    • http://www.gorillawalker.com/great-generals-of-the-napoleonic-wars.pdfIn PDF document text
    • http://www.gorillawalker.com/denys-wortman-s-new-york-portrait-of-the-city-in.pdfIn PDF document text
    • http://www.gorillawalker.com/group-s-biblesense-james-showing-our-faith-in-jesus.pdfIn PDF document text
    • http://www.gorillawalker.com/yummy-soup-and-salad-recipes-you-re-the-chef.pdfIn PDF document text
    • http://www.gorillawalker.com/sonoran-desert-wildflowers-a-guide-to-common-plants-wildflower-series.pdfIn PDF document text
    • http://www.gorillawalker.com/david-letterman-pop-culture-legends.pdfIn PDF document text
    • http://www.gorillawalker.com/detail-in-contemporary-residential-architecture-includes-cd-rom.pdfIn PDF document text
    • http://www.gorillawalker.com/great-parties-for-kids-fabulous-and-creative-ideas-for-children.pdfIn PDF document text
    • http://www.gorillawalker.com/ismail-kadare-the-writer-and-the-dictatorship-1957-1990-legenda.pdfIn PDF document text
    • http://www.gorillawalker.com/anti-inflammatory-cookbook-reduce-pain-increase-mobility-prevent-further-illness.pdfIn PDF document text
    • http://www.gorillawalker.com/kingdom-hearts-358-2-days-vol-4.pdfIn PDF document text
    • http://www.gorillawalker.com/cloak-and-gavel-fbi-wiretaps-bugs-informers-and-the-supreme.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://www.freepdfconvert.comIn PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://www.aiim.org/pdfa/ns/extension/In PDF document text
    • http://www.aiim.org/pdfa/ns/schema#In PDF document text
    • http://www.aiim.org/pdfa/ns/property#In PDF document text
    • http://www.aiim.org/pdfa/ns/id/In PDF document text

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