Malicious PDF — malware analysis report

Static analysis result for SHA-256 cba712a1fda6293c…

MALICIOUS

PDF

40.4 KB Created: 2020-04-20 22:13:33 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7e59822e63ef889d28f3a3f02a919abb SHA-1: 6a345ef3afbbdb0035ef4cd382ecf5b55fdae522 SHA-256: cba712a1fda6293cb76c1c1e643d40bc3105fecfe12dfcb29cf5c724ea781b08
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic firing for PDF_SEO_LINK_FARM, indicating a large number of external links, and PDF_URI, pointing to a specific URL. The document body, though heavily obfuscated, contains a URL that aligns with the detected external links. This suggests the document is designed to redirect users to malicious websites, likely for phishing or malware distribution. No scripts were extracted from this sample.

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://acefinancialinvesting.com/uploads/1/3/1/4/131453325/131453325.html#space+station+13+job+guide
    • http://iflyhobbies.com/uploads/1/3/0/3/130313024/zugifamitavesesebi.pdf
    • http://tphltd.org/uploads/1/3/0/8/130813852/buwav-gotufizisevonak.pdf
    • http://supremacytlcs.com/uploads/1/3/0/6/130639811/9509002.pdf
    • http://yockerz.com/uploads/1/3/1/4/131483287/115275.pdf
    • http://mfindia.org/uploads/1/3/1/4/131454537/7217545.pdf
    • http://playdatespalm.com/uploads/1/3/0/4/130435602/dubepeko-dinuxalirajaba.pdf
    • http://qcfuelgear.com/uploads/1/3/0/6/130604317/6830882.pdf

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