Malicious PDF — malware analysis report

Static analysis result for SHA-256 298b32b85625a7b3…

MALICIOUS

PDF

17.7 KB Created: 2020-04-03 02:39:02 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 01df9d35f298d57636a7863e3f508060 SHA-1: 75d1bdb177a0428abbf7b7b00b24ba448a25c0b8 SHA-256: 298b32b85625a7b349edf3b2f2c4fcb53f3ec45227982ff00ed8d518aba9c305
112 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF is identified as an image-only lure, typical of phishing campaigns. It contains numerous external links, with a primary link pointing to 'moto-bean.com'. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of generated links, suggesting a broad distribution effort. The ML classifier strongly supports the malicious nature of this PDF. No scripts were extracted, but the structure and embedded URLs indicate a likely intent to redirect users to malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9981

Heuristics 4

  • 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.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 17 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://moto-bean.com/uploads/1/3/0/7/130775342/130775342.html#working+together+is+better+quotes
    • http://afamilyaftercancer.com/uploads/1/3/0/5/130539034/befutid-vigoroduluw.pdf
    • http://cabinrentalbigbear.com/uploads/1/3/0/5/130545684/tilijorek.pdf
    • http://thesalmonshoppe.com/uploads/1/3/0/7/130775903/nopesujuteram.pdf
    • http://modernjeetkunedo.com/uploads/1/3/0/2/130271117/piwaxutuvud-vokorileguru-degoxuju-kegiv.pdf
    • http://maceratateatro.it/uploads/1/3/0/7/130740536/ropumonoju_totedipiva_birikavawubafoz_puwunozoxajip.pdf
    • http://melisaangulo.com/uploads/1/3/0/6/130620783/1b7d7d95aa83.pdf
    • http://uberscrudu.com/uploads/1/3/0/5/130588729/d54dd506bb5.pdf
    • http://freestitching.com/uploads/1/3/0/4/130483682/4ece249.pdf
    • http://gntc1.com/uploads/1/3/0/3/130323409/zedejosofivo-keselipa.pdf
    • http://greenridgehorseranch.com/uploads/1/3/0/7/130740618/6ecb1fb047bd0.pdf
    • http://zaironstudio.com/uploads/1/3/0/3/130313177/larerumoboza.pdf
    • http://universalautobusiness.com/uploads/1/3/0/7/130775665/668abfa.pdf

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