Malicious PDF — malware analysis report

Static analysis result for SHA-256 250e7212a34b1125…

MALICIOUS

PDF

40.7 KB Created: 2018-11-30 01:49:04 +03:00 Authoring application: PScript5.dll Version 5.2.2 (via Acrobat Distiller 7.0 (Windows))
MD5: d980184978e45b1e8627d0793a5ab68f SHA-1: b47e4aeb2741a071bb72ef773fd9909ae1c2745a SHA-256: 250e7212a34b112519f57c6b521eb92c531a379464be2afaba237ba15acfdcf9
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a large number of embedded external links, indicative of a link farm or distribution mechanism. The heuristic 'PDF_SEO_LINK_FARM' specifically calls out the mass external PDF link farm. While no scripts were extracted, the sheer volume of links suggests an attempt to lure users to malicious content or manipulate search engine results.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8872

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/blood-price-the-blankenships-book-5.pdf
    • http://www.gorillawalker.com/kids-keepable-quotes-new-parents-gift-and-keepsake-journal-to.pdf
    • http://www.gorillawalker.com/living-in-ancient-egypt-living-in-the-ancient-world.pdf
    • http://www.gorillawalker.com/coherent-optical-fiber-communications-advances-in-opto-electronics.pdf
    • http://www.gorillawalker.com/the-marriage-laws-considered-with-the-view-of-diminishing-prostitution.pdf
    • http://www.gorillawalker.com/itv-sport-complete-encyclopedia-of-formula-one.pdf
    • http://www.gorillawalker.com/les-caracteres.pdf
    • http://www.gorillawalker.com/basic-plumbing-techniques.pdf
    • http://www.gorillawalker.com/turpilii-fragmenta-bibliotheca-teubneriana-german-edition.pdf
    • http://www.gorillawalker.com/the-body-adorned-sacred-and-profane-in-indian-art.pdf
    • http://www.gorillawalker.com/from-the-heart-of-devon.pdf
    • http://www.gorillawalker.com/study-guide-to-accompany-basic-nursing-foundations-of-skills-and.pdf
    • http://www.gorillawalker.com/who-was-sacagawea-who-was-kindle-edition.pdf
    • http://www.gorillawalker.com/introduction-to-general-relativity-black-holes-and-cosmology.pdf
    • http://www.gorillawalker.com/dirty-laundry-a-tucker-springs-novel.pdf
    • http://www.gorillawalker.com/adrienne-rich-gay-and-lesbian-writers.pdf
    • http://www.gorillawalker.com/la-biblia-un-acto-de-amor-spanish-edition.pdf
    • http://www.gorillawalker.com/neuroanatomy-of-zebrafish-brain.pdf
    • http://www.gorillawalker.com/nelson-s-minister-s-manual-kjv-bonded-leather-edition.pdf
    • http://www.gorillawalker.com/the-hopi-survival-kit-the-prophecies-instructions-and-warnings-revealed.pdf
    • http://www.gorillawalker.com/the-children-s-book-of-virtues.pdf
    • http://www.gorillawalker.com/economic-change-and-political-liberalization-in-sub-saharan-africa.pdf
    • http://www.gorillawalker.com/global-cinderellas-migrant-domestics-and-newly-rich-employers-in-taiwan.pdf
    • http://www.gorillawalker.com/somebody-killed-his-editor.pdf
    • http://www.gorillawalker.com/research-strategies-for-clinicians.pdf
    • http://www.gorillawalker.com/study-guide-for-1z0-147-program-with-pl-sql-oracle.pdf
    • http://www.gorillawalker.com/i-tre-moschettieri.pdf
    • http://www.gorillawalker.com/arbitration-law-reports-and-review-2001-shackleton-arbitration-law-reports.pdf
    • http://www.gorillawalker.com/the-right-to-be-human-a-biography-of-abraham-maslow.pdf
    • http://www.gorillawalker.com/from-fashion-to-politics-hadassah-and-jewish-american-women-in.pdf
    • http://www.gorillawalker.com/bicycle-official-rules-of-card-games.pdf
    • http://www.gorillawalker.com/gangs-hot-topics.pdf
    • http://www.gorillawalker.com/north-american-birds-encyclopedias-of-animal-breeds.pdf
    • http://www.gorillawalker.com/a-5-is-against-the-law-social-boundaries-straight-up.pdf
    • http://www.gorillawalker.com/countywide-evaluation-of-the-long-term-family-self-sufficiency-plan.pdf
    • http://www.gorillawalker.com/bloody-nasty-people-the-rise-of-britain-s-far-right.pdf
    • http://www.gorillawalker.com/naughty-shorts-lesbian-inspirations.pdf
    • http://www.gorillawalker.com/on-music-and-drama.pdf
    • http://www.gorillawalker.com/do-i-have-to-give-up-me-to-be-loved.pdf
    • http://www.gorillawalker.com/the-magic-pocket-selected-poems.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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