Malicious PDF — malware analysis report

Static analysis result for SHA-256 6fb2a557592fa406…

MALICIOUS

PDF

32.4 KB Created: 2019-05-18 14:49:48 +03:00 Authoring application: PDFpen
MD5: 1081c118a1f8a8a26b3bd961008c039c SHA-1: 45d00b078c09ab96da8b81717a8dc639f20a8311 SHA-256: 6fb2a557592fa406040e71380921435e885ace20ed0a938ede8ab6cbc0813fe3
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a significant number of embedded URLs pointing to various PDF documents on the same domain, as indicated by the PDF_SEO_LINK_FARM heuristic. This suggests the document's primary purpose is to generate traffic or manipulate search engine rankings for the linked content. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8488

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/the-highland-chief-scottish-strife-series-book-1.pdf
    • http://www.gorillawalker.com/mini-house-old-macdonald-s-barn-mini-house-book.pdf
    • http://www.gorillawalker.com/the-light-and-truth-or-bible-thoughts-and-themes-the.pdf
    • http://www.gorillawalker.com/the-hidden-realm-of-god-the-historical-jesus-and-his.pdf
    • http://www.gorillawalker.com/pakistan-nations-in-transition.pdf
    • http://www.gorillawalker.com/a-dictionary-of-australian-underworld-slang.pdf
    • http://www.gorillawalker.com/crown-heights-blacks-jews-and-the-1991-brooklyn-riot-brandeis.pdf
    • http://www.gorillawalker.com/algebra-made-simple-an-easy-to-use-teaching-resource-high.pdf
    • http://www.gorillawalker.com/how-to-restore-coachbuilt-prams-timeless-secrets-to-bring-your.pdf
    • http://www.gorillawalker.com/machine-tools-specification-purchase-and-installation.pdf
    • http://www.gorillawalker.com/negotiating-your-way-through-korea.pdf
    • http://www.gorillawalker.com/selected-topics-in-environmental-and-public-health-volume-iii.pdf
    • http://www.gorillawalker.com/hellhound.pdf
    • http://www.gorillawalker.com/plant-cell-walls.pdf
    • http://www.gorillawalker.com/treasury-of-flower-designs-for-artists-embroiderers-and-craftsmen-dover.pdf
    • http://www.gorillawalker.com/costa-rica-retirement-living-on-400-per-month.pdf
    • http://www.gorillawalker.com/spectral-violation.pdf
    • http://www.gorillawalker.com/how-green-was-their-wave-the-dawn-of-surfing-in.pdf
    • http://www.gorillawalker.com/chinese-herbal-remedies.pdf
    • http://www.gorillawalker.com/sushi-tecnica-y-sabor-spanish-edition.pdf
    • http://www.gorillawalker.com/mickey-s-1-2-3s-micky-mouse-clubhouse-mini-series.pdf
    • http://www.gorillawalker.com/conversations-while-under.pdf
    • http://www.gorillawalker.com/ginger-the-life-and-death-of-albert-goodwin.pdf
    • http://www.gorillawalker.com/group-lessons-for-suzuki-violin-and-viola.pdf
    • http://www.gorillawalker.com/asia-pacific-trade-and-investment-report-2014-recent-trends-and.pdf
    • http://www.gorillawalker.com/manual-of-neartic-diptera-vol-2.pdf
    • http://www.gorillawalker.com/percepciones-cuentos-para-reflexionar-spanish-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/concerto-no-1-op-49-for-cello-and-orchestra-piano.pdf
    • http://www.gorillawalker.com/loving-god-with-all-your-mind.pdf
    • http://www.gorillawalker.com/spinoza-in-english-a-bibliography-from-the-seventeenth-century-to.pdf
    • http://www.gorillawalker.com/the-white-cowboy-complete-bwwm-romance-box-set-kindle-edition.pdf
    • http://www.gorillawalker.com/journey-to-the-centre-of-the-cramps.pdf
    • http://www.gorillawalker.com/the-export-control-and-embargo-handbook-print-replica-kindle-edition.pdf
    • http://www.gorillawalker.com/vehicular-ad-hoc-network-security-and-privacy-ieee-press-series.pdf
    • http://www.gorillawalker.com/the-ibd-healing-plan-and-recipe-book-using-whole-foods.pdf
    • http://www.gorillawalker.com/the-emergence-of-insurgency-el-salvador-ideology-and-political-will.pdf
    • http://www.gorillawalker.com/brooch2-japanese-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/designed-for-coca-cola-employees-this-is-a-collectible-learn.pdf
    • http://www.gorillawalker.com/benscreek-pennsylvania-a-memoir.pdf
    • http://www.gorillawalker.com/10-for-10-sheet-music-movie-hits-for-solo-piano.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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