PDF malware analysis — malicious · a369955b4b3a3b7d

MALICIOUS

PDF

2.7 KB Created: 1546-01-01 Authoring application: 4083

MD5: a36f6560f804c311a087ca252cfefdf8 SHA-1: 57d06c951119dd9489c152004bc995e45aa7799d SHA-256: a369955b4b3a3b7d2578e464598daaba9a254e095e1f28a19cf0a2b33d1fc84e

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF was flagged by multiple heuristics, including a critical ClamAV detection (Pdf.Exploit.Agent-36014) and an ML classifier. An embedded JavaScript file, javascript_obj0013_001.js, was extracted, exhibiting obfuscation indicators. This JavaScript is likely responsible for executing the exploit, leading to the malicious behavior.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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.

Filename	Kind	Source	Size
`javascript_obj0013_001.js` `74e22b5410be494c1f4eb5797edb45d1ec78d02961e7752f8b3d7285d5e144cf`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4760 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).

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