PDF malware analysis — malicious · 50c2b7ab4fa981e4

MALICIOUS

PDF

2.7 KB Created: 7805-01-01 Authoring application: 8249

MD5: df24d09bada4a46eb31b4aa632fbb673 SHA-1: 306b94920c5defd3b0f2affcd7e7428087981f7c SHA-256: 50c2b7ab4fa981e4bff5edbafddb15e74ac202c1081835a94bdeba6950669931

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF was flagged by multiple heuristics, including a critical ClamAV detection (Pdf.Exploit.Agent-36014) and an ML classifier indicating a high probability of maliciousness. An embedded JavaScript file was also extracted, exhibiting obfuscation, which likely contains the exploit code. The presence of JavaScript actions and embedded JS streams points to the execution of malicious code within the PDF.

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` `d85f3904e1c5bd442c22e01fae9b151ef27987c8ab40038dba12c6980347f441`	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).

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