Malicious PDF — malware analysis report

Static analysis result for SHA-256 2eab5a26e84bfbed…

MALICIOUS

PDF

2.7 KB Created: 8407-01-01 Authoring application: 5240
MD5: 8b204e992096047cef8b4c800bff319e SHA-1: 5c0fb42e94e1553677c681e78a698f7746850589 SHA-256: 2eab5a26e84bfbed512bf10ac8b40d8bdb855ed8332d841193fded9df16dc704
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 'Pdf.Exploit.Agent-36014' confirms its malicious nature. The extracted JavaScript file, 'javascript_obj0013_001.js', likely contains obfuscated code designed to download and execute a second-stage payload, a common technique for PDF-based malware delivery.

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
87379361e14b0553480623b3ac313d5f13fae32b4f062a09a974344f26cffc14
pdf-javascript-stream PDF /JS object 13 at offset 0x328 4771 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).