Malicious PDF — malware analysis report

Static analysis result for SHA-256 35c26389d08b0145…

MALICIOUS

PDF

22.1 KB Created: 2020-04-14 12:28:45 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: d2916b2322ad066562a1234d803ba396 SHA-1: 6d07d9e0d86f6a5d9e38b225a73684a0cd5f9bdc SHA-256: 35c26389d08b01452daf4f4c45c3df233ac8ffbee6c2badf9da9850fae0c1de9
92 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, a technique commonly used for SEO poisoning and redirecting users to malicious websites. The document body, though obfuscated, contains references to 'Power system capacitors pdf' and the wkhtmltopdf tool, suggesting a deceptive lure. The ML classifier strongly indicated maliciousness, and the presence of numerous unknown-reputation URLs reinforces the assessment of a link farm attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9895

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://alphaconstructiondevelopment.com/uploads/1/3/0/7/130776074/130776074.html#power+system+capacitors+pdf
    • http://sinfulinfusionsbakery.com/uploads/1/3/1/4/131437919/6a4e7aec5bbb80.pdf
    • http://justmonkeybizness.com/uploads/1/3/0/8/130874175/3949506.pdf
    • http://beeboa.com/uploads/1/3/1/4/131407855/duzuvupujan_bulifixu_pinofa.pdf
    • http://saranicolebernstein.com/uploads/1/3/0/2/130287513/8095763.pdf
    • http://greenmountainpropertygroupma.com/uploads/1/3/1/1/131163550/xewomujatuko_pegozokuvupivop_kegal.pdf
    • http://capefearshoplocal.com/uploads/1/3/0/8/130874490/remib.pdf
    • http://crystalcatdesigns.com/uploads/1/3/0/3/130323656/zunufilovap.pdf
    • http://whatwomenbuyforthemselves.com/uploads/1/3/

Open this report in the interactive analyzer, or submit your own file for analysis.