Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb1459ed323427a6…

MALICIOUS

PDF

53.7 KB Created: 2020-06-05 09:23:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a6ec34ebfcadb630ea04adc2ea153e24 SHA-1: abf896e3c1f15bb2a18dd426d50d90029bacd7be SHA-256: eb1459ed323427a6c404fcc48be24442e172e2694513651ce94cd93766cfb2ea
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, many of which point to similarly structured URLs on different domains. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass link farm, suggesting a deceptive purpose. The primary lure appears to be the document title 'Drunvalo melchizedek serpent of ligh', which is also present in one of the extracted URLs. This pattern is consistent with a phishing or scam attempt, directing users to potentially malicious web content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://gbs-email.com/uploads/1/3/0/7/130775528/130775528.html#drunvalo+melchizedek+serpent+of+ligh
    • http://dwvictimadvocacy.org/uploads/1/3/0/5/130551208/nulojijubox.pdf
    • http://communities.sttheresenorth.org/uploads/1/3/1/4/131482962/kibalidigif.pdf
    • http://clatchetproductionsllc.com/uploads/1/3/1/4/131453698/xowowujilid.pdf
    • http://themightofmotherrussia.com/uploads/1/3/1/4/131407876/38e8e.pdf
    • http://thehotblondevegandiet.com/uploads/1/3/0/3/130379379/lawatumo.pdf
    • http://mta-sts.mail.hollandwalks.nl/uploads/1/3/1/1/131163960/zatirax.pdf
    • http://yatrib.com/uploads/1/3/1/3/131379874/5758075.pdf
    • http://gbs-email.com/uploads/1/3/0/7/130775528/terms.html
    • http://gbs-email.com/uploads/1/3/0/7/130775528/dmca.html
    • http://gbs-email.com/uploads/1/3/0/7/130775528/policy.html
    • https://defamufomowa.files.wordpress.com/2020/06/telurewos.pdf
    • https://jibepus.files.wordpress.com/2020/06/71510317152.pdf
    • https://juxudilopi.files.wordpress.com/2020/06/43422201102.pdf
    • https://nulonexix.files.wordpress.com/2020/06/33280828098.pdf
    • https://banibejazona.files.wordpress.com/2020/06/kukeve.pdf
    • https://rujosodudox.files.wordpress.com/2020/06/pulijasujerapi.pdf
    • https://wutamewoj.files.wordpress.com/2020/06/pimimofagasufuze.pdf
    • https://wemolugiwade.files.wordpress.com/2020/06/tijolewojebiwajulurop.pdf
    • https://pekiseto.files.wordpress.com/2020/06/gurexisoseteditorekewis.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000a7c4.bin
a5e04c4b43f72c0d48721ccb6d9d92b71a0aa512ccdcd6b69540247170704491		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA7C4 10216 bytes

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