Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7a83d95ca9afa71…

MALICIOUS

PDF

2.7 KB Created: 2099-01-01 Authoring application: 993
MD5: 3788efaf59e5daceba144e6b2174e71a SHA-1: b18bf972593bccdb628cd32393fcda88db56836f SHA-256: d7a83d95ca9afa716d7726661942bf6ef95b5390dc2ac46f56013ab8ba3fe186
96 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The file is identified as a malicious PDF by ClamAV with the signature Pdf.Exploit.Agent-36014. Static analysis detected embedded JavaScript, indicating an attempt to execute malicious code. The JavaScript stream is obfuscated, suggesting an effort to evade detection. The PDF structure itself contains minimal readable content, further supporting its role as a malicious container.

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
9cc14066f6ff002fafcfb1cf58100c97cdafbe032405a8845c718ba5c002d679
pdf-javascript-stream PDF /JS object 13 at offset 0x328 4783 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).