Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e28ef6fd9c999b6…

MALICIOUS

PDF

6.6 KB Authoring application: Tisilarehaue (via b9703Tibedegabala)
MD5: 7c8fcd0ab83024d4fffa0a501ae3ed8d SHA-1: caa0198fdf9c60a935e3034e23ccb67f7813378f SHA-256: 2e28ef6fd9c999b69c012ca97030f4c2e8656c9b4c36b1bdf22c287f4603eb2c
76 Risk Score

Malware Insights

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

The critical ClamAV heuristic indicates this PDF is recognized as malware (Pdf.Exploit.Agent-36142). The PDF_JAVASCRIPT and PDF_JS heuristics confirm the presence of embedded JavaScript, which is commonly used to exploit vulnerabilities. The embedded JavaScript is likely responsible for the malicious behavior, potentially downloading and executing a second-stage 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