Malicious PDF — malware analysis report

Static analysis result for SHA-256 20fd6165be767b67…

MALICIOUS

PDF

15.6 KB Created: 2020-04-07 09:10:38 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 96581d3f2df6ba4d7c7c0ffeec4d6a89 SHA-1: fa60c0568f39b12a0886302dbb1bba90e91704cf SHA-256: 20fd6165be767b6731af18cecc4cb6ac06ca4ea0670ca07635dd0234e92189d2
82 Risk Score

Malware Insights

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

The PDF file is identified as an image-only lure, typical for phishing campaigns. It contains numerous external links, with a primary link pointing to a suspicious HTML file. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of generated links, suggesting an attempt to distribute malicious content or phish users across multiple domains. No scripts were extracted, but the structure strongly suggests a delivery mechanism for further malicious activity.

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 15 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://predictivestudies.org/uploads/1/3/1/4/131437667/131437667.html#simbolo+del+dollar+en+excel
    • http://nancyandersonmarketing.com/uploads/1/3/0/8/130814931/puwodubazajimavinig.pdf
    • http://northwestembroidery.net/uploads/1/3/0/8/130813667/demarolubavepidonor.pdf
    • http://vhov.nl/uploads/1/3/0/3/130313741/f334c3.pdf
    • http://manonincometax.com/uploads/1/3/0/3/130324419/e2dbd01.pdf
    • http://xund.fit/uploads/1/3/0/7/130775215/zinedawabu_wizekulagesawow.pdf
    • http://coalesceeventsmn.com/uploads/1/3/0/8/130874261/991857.pdf
    • http://rusticice.com/uploads/1/3/0/5/130588568/mevarugup.pdf

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