Malicious PDF — malware analysis report

Static analysis result for SHA-256 59ce6cf6bea46193…

MALICIOUS

PDF

2.7 KB Created: 8074-01-01 Authoring application: 8446
MD5: 7422af09fe87fdeb518b52b9b4c15b6b SHA-1: d8a744cffa4ce3e9f7655f6df44d4f559252b2be SHA-256: 59ce6cf6bea46193e62297f59e7e783c7e98b437619a5cb652f8021489e6fa6e
96 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests this is a known exploit. The embedded JavaScript file 'javascript_obj0013_001.js' was flagged for obfuscation, indicating it likely performs malicious actions such as downloading a second-stage payload. The document body is unreadable, but the presence of JavaScript and the ClamAV signature point to an exploit delivery mechanism.

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-36014 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36014
  • Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • 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_obj0013_001.js
996258bf4d09755e7cf7ccb4e7f450f7e78fdcbf84f9ca0d2defa2fcdb25062f
pdf-javascript-stream PDF /JS object 13 at offset 0x328 4766 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 10 eval/decoder/string-building token(s). Carved artifact contains 3 long hex-escaped blob(s).