Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae63a6bdb5ce6788…

MALICIOUS

PDF

44.3 KB Created: 2018-12-15 08:10:53 +03:00 Authoring application: Adobe Illustrator CS5.1 (via GPL Ghostscript 9.10)
MD5: c81d50f4aca47185935daabc3617225a SHA-1: c4050ba1273198681792e1e09707ce2836586a53 SHA-256: ae63a6bdb5ce678834beb5bdd431f5f02add73cabd0c8a1b85e9f98d27220150
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF contains a large number of embedded URLs pointing to external PDF files, 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, and the document body was unreadable, limiting further analysis of the specific lure.

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/salzman-and-thompson-s-environmental-law-and-policy-4th-concepts.pdf
    • http://www.gorillawalker.com/vanished-little-boy-lost-book-3.pdf
    • http://www.gorillawalker.com/the-global-vatican-an-inside-look-at-the-catholic-church.pdf
    • http://www.gorillawalker.com/dios-habla-conmigo-para-ni-as-devocionales-para-ni-as.pdf
    • http://www.gorillawalker.com/radiology-and-the-law-malpractice-and-other-issues-kindle-edition.pdf
    • http://www.gorillawalker.com/satellite-remote-sensing-of-natural-resources-mapping-science.pdf
    • http://www.gorillawalker.com/the-limits-of-freindship-u-s-security-cooperation-in-central.pdf
    • http://www.gorillawalker.com/pathfinders-a-global-history-of-exploration.pdf
    • http://www.gorillawalker.com/entre-mundos-an-integrated-approach-for-the-native-speaker-with.pdf
    • http://www.gorillawalker.com/the-handbook-of-morphology.pdf
    • http://www.gorillawalker.com/carbon-sanguina-y-creta-spanish-edition.pdf
    • http://www.gorillawalker.com/my-bible-story-book-bible-stories-for-small-children.pdf
    • http://www.gorillawalker.com/delicious-and-easy-gluten-free-recipes.pdf
    • http://www.gorillawalker.com/sail-trim-theory-and-practice.pdf
    • http://www.gorillawalker.com/helicopter-instructor-s-handbook.pdf
    • http://www.gorillawalker.com/the-river-within.pdf
    • http://www.gorillawalker.com/the-conductor-s-art.pdf
    • http://www.gorillawalker.com/mastering-the-art-of-french-cooking-1963.pdf
    • http://www.gorillawalker.com/irregular-pen-and-limited-sword-psywar-psyop-and-miso-in.pdf
    • http://www.gorillawalker.com/animal-camouflage-in-the-ocean-hidden-in-nature.pdf
    • http://www.gorillawalker.com/her-montana-cowboy-love-inspired-lp-big-sky-centennial.pdf
    • http://www.gorillawalker.com/the-bisexual-writer-cuckolded-into-chastity-by-a-lesbian.pdf
    • http://www.gorillawalker.com/winging-it-confessions-of-an-angel-in-training-confessions-of.pdf
    • http://www.gorillawalker.com/for-heaven-s-eyes-only-a-secret-histories-novel.pdf
    • http://www.gorillawalker.com/schizophrenic-christianity-how-christian-fundamentalism-attracts-and-protects-sociopaths-abusive.pdf
    • http://www.gorillawalker.com/what-kind-of-pet-can-i-get.pdf
    • http://www.gorillawalker.com/the-youngest-spy.pdf
    • http://www.gorillawalker.com/kaplan-mcat-45-advanced-prep-for-advanced-students-by-kaplan.pdf
    • http://www.gorillawalker.com/extraordinary-interview-shapeshifter-romance-werewolf-romance.pdf
    • http://www.gorillawalker.com/transatlantic-modernism-moral-dilemmas-in-modernist-fiction.pdf
    • http://www.gorillawalker.com/complex-interfaces-under-change-sea-river-groundwater-lake-iahs-publication.pdf
    • http://www.gorillawalker.com/torah-of-reconciliation-kindle-edition.pdf
    • http://www.gorillawalker.com/meetings-with-mountains-remarkable-face-to-face-encounters-with-the.pdf
    • http://www.gorillawalker.com/the-five-thousand-year-leap-30-year-anniversary-edition-with.pdf
    • http://www.gorillawalker.com/if-you-like-to-lie-the-canadian-government-wants-you.pdf
    • http://www.gorillawalker.com/easy-biology-step-by-step-easy-step-by-step-series.pdf
    • http://www.gorillawalker.com/memoirs-of-the-new-age-a-book-of-stories-prayers.pdf
    • http://www.gorillawalker.com/tribology-in-particulate-technology.pdf
    • http://www.gorillawalker.com/london-superscale-atlas.pdf
    • http://www.gorillawalker.com/rural-marauders.pdf
    • http://www.gorillawalker.com/radiology-and-the-law-malpractice-an
    • 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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