Pdf.Dropper.Agent-7303716-0 — PDF malware analysis

Static analysis result for SHA-256 ca324055cf83613b…

MALICIOUS

PDF

25.8 KB Created: 2006-02-01 14:14:12 Authoring application: Wegoptyr (via HghTc6Fs)
MD5: 4b4a68654282917e8df8db5eccff1f9b SHA-1: 3c5949f398bf7445fc6770444d149219ace4e546 SHA-256: ca324055cf83613b5dff2e325e0b2216556613f3bff639172a42ece14d8e7044
118 Risk Score

Malware Insights

Pdf.Dropper.Agent-7303716-0 · confidence 90%

MITRE ATT&CK
T1059.001 PowerShell

This PDF file contains embedded JavaScript streams, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The presence of an eval() call within the JavaScript (PDF_EVAL) suggests that the script is designed to execute obfuscated code. The ClamAV detection name 'Pdf.Dropper.Agent-7303716-0' further confirms its malicious nature as a dropper. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload.

Heuristics 5

  • ClamAV: Pdf.Dropper.Agent-7303716-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7303716-0
  • eval() call high PDF_EVAL
    eval() found — commonly used for obfuscated exploit execution
  • 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.
  • Suspicious extracted artifact info 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.

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0007_000.js
74161d957255f5a44e02fc41242d77af9f402ab3254273ee62026d61a45f9853		 pdf-javascript-stream PDF /JS object 7 at offset 0x1EE 25260 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 2 eval/decoder/string-building token(s).
javascript_obj0007_001.js
99027b653ee3e975682bb072afdf74c3c02c25d14f4af0f1321600c18b1a005c		 pdf-javascript-stream PDF /JS object 7 at offset 0x1EE 25021 bytes

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