Malicious PDF — malware analysis report

Static analysis result for SHA-256 177196927122f205…

MALICIOUS

PDF

22.3 KB Created: 2020-04-24 03:55:16 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: b38ef3017b7c29b0361f3b4604c74900 SHA-1: b809956638458c8774f92166a2bd8d555b50287f SHA-256: 177196927122f20594502cef85ebe70f7c5de9ebec56a05f00feea9794130ff0
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or SEO manipulation tactic. The ML classifier also strongly indicated maliciousness. While no scripts were extracted, the sheer volume of outbound links to potentially malicious domains points to a campaign aiming to redirect users or host further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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://anjie-karmacreatures.com/uploads/1/3/0/5/130551369/130551369.html#cake+hd+images
    • http://endodash.com/uploads/1/3/1/1/131164473/kudizage_kavijafapalesak.pdf
    • http://jasmine-reyes.com/uploads/1/3/1/4/131483184/adabd032997.pdf
    • http://womenrizeup.org/uploads/1/3/1/4/131452880/kemox.pdf
    • http://shifnalbc.co.uk/uploads/1/3/1/3/131383383/4168973.pdf
    • http://professionalcommunication.org/uploads/1/3/0/6/130639123/60d7a335b9e.pdf
    • http://cabinet-replacement.com/uploads/1/3/0/3/130323190/f756b4819721ac.pdf
    • http://brucefaske.com/uploads/1/3/0/6/130621392/jivar_dutiz.pdf
    • http://legacylit.org/uploads/1/3/0/2/130289541/532032248.pdf
    • http://total-retail.net/uploads/1/3/0/5/130551319/dunokoju-lopojodoveb-kosulirusiwar.pdf
    • http://www.esmacats.com/uploads/1/3/1/6/131637174/95b6065c.pdf
    • http://superwojo.com/uploads/1/3/0/7/130776790/fiwokura-julogajim.pdf

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