Malicious PDF — malware analysis report

Static analysis result for SHA-256 f83d9009fb38ed2c…

MALICIOUS

PDF

3.3 KB
MD5: 6558405cf4410b6c2ddf3f3c19e7446a SHA-1: 678fb2c4ed9841acaf1eb0ef69078a027615228c SHA-256: f83d9009fb38ed2ca321486c91e1696ff26049032befd84aed76cdd1842f6b82
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. ClamAV detection 'Pdf.Exploit.Agent-36121' further confirms its malicious nature. The embedded JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to execute malicious code, leading to the detection as an exploit agent.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0007_000.js
a470839eeed4f650ed15fc63cdd1cdf4c709e23195be746607d7381b093cbf75		 pdf-javascript-stream PDF /JS object 7 at offset 0xA87 318 bytes

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