Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1e24ceca2e9b438…

MALICIOUS

PDF

17.9 KB Created: 2020-04-06 06:21:58 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7757ea23ce0141085ad60fbf86475edc SHA-1: 722d0593e10e39fccae881fc4f6429a2490391a5 SHA-256: c1e24ceca2e9b4381969b7830584d06b55ae05053a9172ff544dc4819b3203a7
82 Risk Score

Malware Insights

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

This PDF document utilizes an image-only lure, a common tactic for phishing campaigns. The heuristic firings indicate it contains a click-outward action and a large number of external links, suggesting it's part of a link farm designed to distribute traffic to various malicious sites. The primary URL points to a page that likely hosts further malicious content or redirects to a phishing page.

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://ponca.biz/uploads/1/3/0/8/130874102/130874102.html#conversion+de+numeros+binarios+a+hexadecimales
    • http://momnovel.com/uploads/1/3/0/4/130476372/ec10c9881.pdf
    • http://stuffhugomade.com/uploads/1/3/0/5/130539897/01559f395ffcd6.pdf
    • http://fash-inhouse.com/uploads/1/3/0/7/130775027/ximipipetu_jisekonu_juvasugu_lakizodiju.pdf
    • http://472-476thomas.com/uploads/1/3/0/7/130775920/9958901.pdf
    • http://barewoodpanthers.com/uploads/1/3/0/6/130639682/wofelikaxu-damesonux-lupetamurepake-popesalefiriz.pdf
    • http://bulletandsnowfox.com/uploads/1/3/0/7/130739699/e4b1188600b7ab.pdf
    • http://saintaidansnewparkscelebrate60.com/uploads/1/3/1/4/131409333/4948835.pdf
    • http://amyreneegarcia.com/uploads/1/3/0/6/130620266/dinipi.pdf
    • http://paleoforgood.com/uploads/1/3/0/2/130289495/temegaz.pdf

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