PDF malware analysis — malicious · d3dbbe93e46020b7

MALICIOUS

PDF

6.6 KB

MD5: 9d9e8c9d5d4368c9e5602d01c69c00e8 SHA-1: 7b3892334029b0a1d943492d5229a9f14c5bbd29 SHA-256: d3dbbe93e46020b7baa4417b5e87bc63b4e072c133e0b7aa074b180e2a5c2fc0

86 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The 'CLAMAV_DETECTION' heuristic identifies the file as 'Pdf.Exploit.Agent-36086', strongly suggesting it exploits a known PDF vulnerability. The embedded JavaScript, though not fully detailed here, is the likely mechanism for delivering the exploit. The extracted file 'javascript_obj0006_000.js' is a suspicious artifact.

Heuristics 5

ClamAV: Pdf.Exploit.Agent-36086 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36086
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.
String.fromCharCode low PDF_FROMCHARCODE

String.fromCharCode found — used to construct payload strings dynamically. Common in benign JavaScript libraries for codepoint manipulation, so this alone is informational; weaponised use is also caught by the dedicated fromCharCode-stage and exploit-shape rules. (matched inside decoded stream)
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0006_000.js` `a2c83e5f9876e0cdfdf0de986b15152ce49b75af383516c0503faa243359fed2`	pdf-javascript-stream	PDF /JS object 6 at offset 0x143	137519 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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