Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c7c7fa14a5f3ea0…

MALICIOUS

PDF

44.6 KB Created: 2018-11-15 19:35:09 +03:00 Authoring application: PSCRIPT.DRV Version 4.0 (via Acrobat Distiller 3.02)
MD5: 8c678921cbf746037bfc449219f503e7 SHA-1: dfe3b0f5e65e4561ce850bd47c68ec6b55f4248c SHA-256: 0c7c7fa14a5f3ea0a173d94b8710fb3bddba2d98976aa59f04b8e7614620feaa
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, primarily hosted on 'gorillawalker.com'. This technique is often used to create link farms for SEO manipulation or to distribute malicious content indirectly. The ML classifier also flagged this PDF as malicious.

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/stealing-home-the-story-of-jackie-robinson.pdf
    • http://www.gorillawalker.com/this-is-the-united-nations.pdf
    • http://www.gorillawalker.com/agile-excellence-for-product-managers-a-guide-to-creating-winning.pdf
    • http://www.gorillawalker.com/nostalgic-large-print-cryptograms-the-1960s.pdf
    • http://www.gorillawalker.com/my-first-chinese-word-book.pdf
    • http://www.gorillawalker.com/freshwater-fish-culture-in-china-principles-and-practice-volume-28.pdf
    • http://www.gorillawalker.com/yamada-monogatari-the-war-god-s-son.pdf
    • http://www.gorillawalker.com/transforming-literacy-teaching-in-the-era-of-higher-standards-3.pdf
    • http://www.gorillawalker.com/die-ameise-oder-bemerkungen-charakterzuge-und-anekdoten-auch-schlachtberichte-vom.pdf
    • http://www.gorillawalker.com/unscripted-my-ten-years-in-telly-digital.pdf
    • http://www.gorillawalker.com/quality-of-life-following-astrocytoma-resection-in-children-horizons-brief.pdf
    • http://www.gorillawalker.com/valley-of-the-dunes-great-sand-dunes-national-park-and.pdf
    • http://www.gorillawalker.com/radio-access-networks-for-umts-principles-and-practice.pdf
    • http://www.gorillawalker.com/colloquial-israeli-hebrew-trends-in-linguistics-studies-and-monographs-tilsm.pdf
    • http://www.gorillawalker.com/long-walks-in-france.pdf
    • http://www.gorillawalker.com/design-of-experiments-statistical-principles-of-research-design-and-analysis.pdf
    • http://www.gorillawalker.com/the-christmas-question-and-other-great-stories.pdf
    • http://www.gorillawalker.com/sailor-moon-stars-2.pdf
    • http://www.gorillawalker.com/the-neurobiology-of-alzheimer-s-disease-the-molecular-and-cellular.pdf
    • http://www.gorillawalker.com/lower-fasting-glucose-cutoff-more-prediabetes-diagnostic-threshold-set-at.pdf
    • http://www.gorillawalker.com/the-clouds-beneath-the-sun.pdf
    • http://www.gorillawalker.com/five-nights-at-freddy-s-memes.pdf
    • http://www.gorillawalker.com/a-surprise-for-caroline-american-girl-quality.pdf
    • http://www.gorillawalker.com/wrong-why-experts-keep-failing-us-and-how-to-know.pdf
    • http://www.gorillawalker.com/cyclopedia-of-trial-practice.pdf
    • http://www.gorillawalker.com/elements-of-strength-of-materials.pdf
    • http://www.gorillawalker.com/entering-her-tight-keyhole-hot-piano-lessons-milf-older-woman.pdf
    • http://www.gorillawalker.com/the-bones-below-poems-by-sierra-demulder.pdf
    • http://www.gorillawalker.com/how-to-reap-your-harvest-study-notes-a-companion-tool.pdf
    • http://www.gorillawalker.com/progressive-rock-keyboard-hal-leonard-keyboard-style-series.pdf
    • http://www.gorillawalker.com/immune-system-amazing-human-body.pdf
    • http://www.gorillawalker.com/walls-of-wind-part-1-an-alien-science-fiction-novel.pdf
    • http://www.gorillawalker.com/verdun-the-lost-history-of-the-most-important-battle-of.pdf
    • http://www.gorillawalker.com/against-the-pollution-of-the-i.pdf
    • http://www.gorillawalker.com/experimental-methods-in-rf-design-radio-amateur-s-library.pdf
    • http://www.gorillawalker.com/a-syllogisms-playbook-using-pln-for-deductive-logic.pdf
    • http://www.gorillawalker.com/school-prayer-a-history-of-the-debate-issues-in-focus.pdf
    • http://www.gorillawalker.com/how-to-draw-ichigo-from-bleach-manga-step-by-step.pdf
    • http://www.gorillawalker.com/waves-the-mit-press-essential-knowledge-series.pdf
    • http://www.gorillawalker.com/memos-from-purgatory.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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