Malicious PDF — malware analysis report

Static analysis result for SHA-256 be4b36e20f6a9534…

MALICIOUS

PDF

6.6 KB Authoring application: Tisilarehaue (via 30f77Tibedegabala)
MD5: 01650995dc4fb0d9e37e70d03ba6d479 SHA-1: 2e4119db6b434b1c963d9f901f5a4bb08800dc98 SHA-256: be4b36e20f6a9534a28925b24394747e6bb1b52501def306e1a7571bd1f198e3
76 Risk Score

Malware Insights

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

The critical ClamAV heuristic indicates this PDF is recognized as malware (Pdf.Exploit.Agent-36142). Low-severity heuristics confirm the presence of embedded JavaScript, which is a common vector for exploiting PDF vulnerabilities. The document body is heavily obfuscated and unreadable, providing no direct clues to the lure. The embedded JavaScript is the primary mechanism for exploitation, likely leading to the download or execution of a secondary payload.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36142 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36142
  • 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_obj0010_000.js
d4dce4f95f7146e3b127d68edf45ceb045483a205d9e9a2a53d6e6b80d83b663
pdf-javascript-stream PDF /JS object 10 at offset 0x1230 1728 bytes