Malicious PDF — malware analysis report

Static analysis result for SHA-256 2662b6c88d629568…

MALICIOUS

PDF

45.5 KB Created: 2018-11-26 08:22:12 +03:00 Authoring application: ScanSnap Manager (via Acrobat Distiller 10.1.7 (Windows))
MD5: b568f24b6bd2711aa52810601906f381 SHA-1: 0665b5fbb31f5d7f4c9306a6cddbca6f19b8b29e SHA-256: 2662b6c88d629568ea8920f06503a1819ae4fa047d48a21d81375b70176371c4
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 documents, 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, limiting the ability to determine specific malicious behaviors beyond the link farm.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8173

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/speech-and-phenomena-and-other-essays-on-husserl-s-theory.pdf
    • http://www.gorillawalker.com/a-caregiver-s-guide-to-alzheimer-s-disease-300-tips.pdf
    • http://www.gorillawalker.com/biography-of-an-idea-memoirs-of-public-relations-counsel-edward.pdf
    • http://www.gorillawalker.com/bigger.pdf
    • http://www.gorillawalker.com/sinkholes-part-two-love-always-finds-a-way.pdf
    • http://www.gorillawalker.com/toxic-tort.pdf
    • http://www.gorillawalker.com/trade-policies-and-agreements-in-the-era-of-globalization.pdf
    • http://www.gorillawalker.com/liu-chuxuan-1147-1203-and-his-commentary-on-the-daoist.pdf
    • http://www.gorillawalker.com/la-cenerentola-act-2-recitative-and-sextet-vocal-score-vocal.pdf
    • http://www.gorillawalker.com/forex-trading-secrets-little-dirty-secrets-and-unknown-but-powerful.pdf
    • http://www.gorillawalker.com/dialectical-behavior-therapy-volume-1-the-clinician-s-guidebook.pdf
    • http://www.gorillawalker.com/the-architect-s-tour-notes-for-the-design-traveler.pdf
    • http://www.gorillawalker.com/playboy-lingerie-dec-jan-2008-shannon-tate.pdf
    • http://www.gorillawalker.com/the-national-trust-manual-of-housekeeping-the-care-of-collections.pdf
    • http://www.gorillawalker.com/the-back-country-kitchen-camp-cooking-for-canoeists-hikers-and.pdf
    • http://www.gorillawalker.com/four-degrees-of-heat.pdf
    • http://www.gorillawalker.com/official-blade-runner-strategy-guide-official-strategy-guides.pdf
    • http://www.gorillawalker.com/adventures-in-nature-panama-adventures-in-nature-john-muir.pdf
    • http://www.gorillawalker.com/fit-to-be-bride-the-complete-wedding-workout.pdf
    • http://www.gorillawalker.com/philosophy-and-education-an-introduction-to-key-questions-and-themes.pdf
    • http://www.gorillawalker.com/same-words-different-language-an-updated-guide-for-improved-gender.pdf
    • http://www.gorillawalker.com/california-missions-to-cut-out.pdf
    • http://www.gorillawalker.com/the-uncrowned-emperor-the-life-and-times-of-otto-von.pdf
    • http://www.gorillawalker.com/violence-in-burgess-clockwork-orange-social-issues-in-literature.pdf
    • http://www.gorillawalker.com/the-sweetness-a-novel.pdf
    • http://www.gorillawalker.com/oecd-information-technology-outlook-2002-icts-and-the-information-economy.pdf
    • http://www.gorillawalker.com/autocad-civil-3d-2015-essentials-autodesk-official-press.pdf
    • http://www.gorillawalker.com/holt-mcdougal-earth-science-new-york-new-york-regents-review.pdf
    • http://www.gorillawalker.com/professional-e-commerce-with-java-servlets.pdf
    • http://www.gorillawalker.com/brotherhood-of-doom-memoirs-of-a-navy-nuclear-weaponsman.pdf
    • http://www.gorillawalker.com/sql-1999-understanding-relational-language-components-the-morgan-kaufmann-series.pdf
    • http://www.gorillawalker.com/queering-anarchism-addressing-and-undressing-power-and-desire.pdf
    • http://www.gorillawalker.com/rayqelle-s-revenge-book-1-ebooks-for-inmates-of-correctional.pdf
    • http://www.gorillawalker.com/the-cultural-lives-of-whales-and-dolphins-kindle-edition.pdf
    • http://www.gorillawalker.com/dark-ghetto-dilemmas-of-social-power.pdf
    • http://www.gorillawalker.com/affordable-bed-breakfasts.pdf
    • http://www.gorillawalker.com/the-student-s-guide-to-vhdl-second-edition-systems-on.pdf
    • http://www.gorillawalker.com/all-done-with-mirrors-opus-2.pdf
    • http://www.gorillawalker.com/communism-and-socialism-an-address-by-karl-heinzen.pdf
    • http://www.gorillawalker.com/the-major-s-faux-fiancee-dukes-of-war-volume-4.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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