Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca8fc1f8ad5ac3d5…

MALICIOUS

PDF

15.6 KB Created: 2020-04-08 15:15:13 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7ee3f42931bba45d51d4b8b0d515b65c SHA-1: a57a4c6252703bb05d875d6dd41678f718febfcc SHA-256: ca8fc1f8ad5ac3d5b9bf66e3754d1867eecf5a52b2ca647f582df91a6cc5cec9
82 Risk Score

Malware Insights

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

The PDF file is identified as a screenshot lure, containing minimal text and a clickable action. It embeds multiple external links, including one to 'jfeldmanart.com', which likely serves as a phishing or malware distribution point. The PDF_SEO_LINK_FARM heuristic indicates a large number of generated links, suggesting a tactic to broaden reach or evade detection. No scripts were extracted from this sample.

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://jfeldmanart.com/uploads/1/3/1/4/131437715/131437715.html#letra+y+acordes+te+necesito+jon+carlo
    • http://meridianconsultinggroup.org/uploads/1/3/0/3/130324331/901792f7.pdf
    • http://meetthebalkcoms.com/uploads/1/3/0/8/130813604/pexusor.pdf
    • http://lifemoves20.com/uploads/1/3/0/6/130620237/sakinesefebul.pdf
    • http://bloominbottles.com/uploads/1/3/0/5/130550700/4488284.pdf
    • http://sdavidsproductions.com/uploads/1/3/0/4/130475989/waxikak.pdf
    • http://herbisapien.com/uploads/1/3/1/4/131454581/fineserovoje-jigafa-mubesa-gojoraxinosug.pdf
    • http://wokewear.net/uploads/1/3/0/7/130775949/948987.pdf

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