Malicious PDF — malware analysis report

Static analysis result for SHA-256 cce93a29214108f6…

MALICIOUS

PDF

44.3 KB Created: 2018-12-15 20:10:42 +03:00 Authoring application: Word (via Mac OS X 10.7.5 Quartz PDFContext)
MD5: 0ae0b0facc42a1b994dc10fd9b073389 SHA-1: cbcf080f67858a4bca656d13642a5a947d4763ae SHA-256: cce93a29214108f6a0051a43c1becbcf451f180219d1899f2d1305a4d78212be
150 Risk Score

Malware Insights

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

The PDF was flagged by ClamAV as Pdf.Dropper.Agent-7305097-0 and a machine learning classifier. The heuristic PDF_SEO_LINK_FARM indicates a large number of embedded links to external PDF files hosted on www.gorillawalker.com. This suggests the document is designed to act as a link farm, potentially for SEO manipulation or to distribute further malicious payloads. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9015

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-7305097-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7305097-0
  • 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/promises-reveal-berkley-sensation-historical-romance.pdf
    • http://www.gorillawalker.com/the-tibetan-book-of-the-dead-or-the-after-death.pdf
    • http://www.gorillawalker.com/articles-on-the-philippines-newark-system-of-conneticutt-blakc-hills.pdf
    • http://www.gorillawalker.com/champlain-peacemaker-and-explorer-kindle-edition.pdf
    • http://www.gorillawalker.com/the-protestant-wedding-sourcebook-a-complete-guide-for-developing-your.pdf
    • http://www.gorillawalker.com/life-and-work-of-charles-haddon-spurgeon-volume-2.pdf
    • http://www.gorillawalker.com/off-road-running.pdf
    • http://www.gorillawalker.com/how-the-two-ivans-quarrelled-the-art-of-the-novella.pdf
    • http://www.gorillawalker.com/a-theory-of-social-control-mcgraw-hill-series-in-sociology.pdf
    • http://www.gorillawalker.com/concepts-in-strategic-management-and-business-policy-9th-nineth-edition.pdf
    • http://www.gorillawalker.com/borderlands-into-bordered-lands-geopolitics-of-identity-in-post-soviet.pdf
    • http://www.gorillawalker.com/il-romanzo-del-novecento-in-italia-dal-piacere-al-nome.pdf
    • http://www.gorillawalker.com/anxiety-disorders-interview-schedule-adis-iv-parent-interview-schedules-set.pdf
    • http://www.gorillawalker.com/constructivist-teaching-practices-of-expert-and-novice-elementary-physical-educators.pdf
    • http://www.gorillawalker.com/morning-glories-recipes-for-breakfast-brunch-beyond-from-an-american.pdf
    • http://www.gorillawalker.com/madaket-millie-picture-books.pdf
    • http://www.gorillawalker.com/21st-century-complete-guide-to-animal-rights-animal-care-veterinary.pdf
    • http://www.gorillawalker.com/your-body-believes-every-word-you-say-the-language-of.pdf
    • http://www.gorillawalker.com/catalogue-of-the-pepys-library-at-magdalene-college-cambridge-vol.pdf
    • http://www.gorillawalker.com/historical-dictionary-of-pyongyang-anthem-historical-dictionaries-of-cities.pdf
    • http://www.gorillawalker.com/the-blackwoman-s-guide-to-understanding-the-blackman.pdf
    • http://www.gorillawalker.com/peculiar-zoo-rainbow-morning-music-picture-books.pdf
    • http://www.gorillawalker.com/eco-business-a-big-brand-takeover-of-sustainability.pdf
    • http://www.gorillawalker.com/creepers-kindle-edition.pdf
    • http://www.gorillawalker.com/cheeseburger-abs-eat-what-you-want-and-look-absolutely-fabulous.pdf
    • http://www.gorillawalker.com/the-kite-rider.pdf
    • http://www.gorillawalker.com/augustine-political-writings-hackett-classics.pdf
    • http://www.gorillawalker.com/special-and-decorative-breads-the-professional-french-pastry-series.pdf
    • http://www.gorillawalker.com/scriptures-and-quotations-from-believing-god-a-quick-word-with.pdf
    • http://www.gorillawalker.com/iaslc-textbook-of-prevention-and-early-detection-of-lung-cancer.pdf
    • http://www.gorillawalker.com/photography-business-the-5-sure-ways-to-start-a-photography.pdf
    • http://www.gorillawalker.com/duena-de-su-destino-spanish-edition.pdf
    • http://www.gorillawalker.com/estado-de-mexico-historia-breve-brief-history-spanish-edition.pdf
    • http://www.gorillawalker.com/radio-city-spectacular-a-photographic-history-of-the-rockettes-and.pdf
    • http://www.gorillawalker.com/the-outfit.pdf
    • http://www.gorillawalker.com/bovine-meat-inspection-anatomy-physiology-and-disease-conditions.pdf
    • http://www.gorillawalker.com/hitler-wordsworth-collection.pdf
    • http://www.gorillawalker.com/my-indecision-is-final-the-spectacular-rise-and-fall-of.pdf
    • http://www.gorillawalker.com/sexuality-gender-and-the-law-university-casebook-series-2nd-second.pdf
    • http://www.gorillawalker.com/fascination-of-rome.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/