Malicious PDF — malware analysis report

Static analysis result for SHA-256 e01d685025876ed3…

MALICIOUS

PDF

6.6 KB Authoring application: Tisilarehaue (via 9e952Tibedegabala)
MD5: 22226e297d69f04aa871860724f2bb46 SHA-1: d76ad95b5e65b38daa0a970bcdd2b29208651fc4 SHA-256: e01d685025876ed334e2c479a2c0822922fcc3f6fe9ad24f9a4d126e1fb8f1b0
76 Risk Score

Malware Insights

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

The critical ClamAV heuristic indicates the file is recognized as Pdf.Exploit.Agent-36142. Additionally, low-severity heuristics for PDF_JAVASCRIPT and PDF_JS confirm the presence of embedded JavaScript within the PDF. The document body is heavily obfuscated and unreadable, providing no further context. The embedded JavaScript is the primary vector for exploitation, likely leading to the download and execution of 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