Malicious PDF — malware analysis report

Static analysis result for SHA-256 df6a969518d6a554…

MALICIOUS

PDF

2.7 KB Created: 688 Authoring application: 1916
MD5: 0eb2a298ba8895c475c5edb53f9bc7d4 SHA-1: 74a27bde05ff2af5ef292e919c8c488193091c7e SHA-256: df6a969518d6a554b5523af5b6f48648df129335a6a94d73a0ea4e54723c8152
96 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The CLAMAV_DETECTION heuristic identifies the file as 'Pdf.Exploit.Agent-36014', suggesting it exploits known PDF vulnerabilities. The extracted JavaScript file shows signs of obfuscation, typical of malware attempting to hide its malicious actions, which likely involve exploiting a vulnerability to execute further malicious code.

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
bfb73349aaf3fe5ab69fdc24e13eebdfb72fc5db865dc1695b7c8a647c84380d
pdf-javascript-stream PDF /JS object 13 at offset 0x328 4804 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).