PDF malware analysis — malicious · a180797f93f5f454

MALICIOUS

PDF

2.7 KB Created: 1228-01-01 Authoring application: 7844

MD5: f7b79057eba78e997604369e3f7257b9 SHA-1: 7d7a9d6bfdb2a670bf3a19ae6b12803d7806cb12 SHA-256: a180797f93f5f454fd2578b220ea0b17ec645352bb4c7a5036f832660d8aebe9

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged by ClamAV as Pdf.Exploit.Agent-36014 and ML classifiers indicated a high probability of maliciousness. Heuristics indicate the presence of embedded JavaScript, which is often used to exploit PDF vulnerabilities and download further malicious content. The ML classifier's high confidence and the ClamAV detection strongly suggest this PDF is designed to deliver a malicious payload.

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` `4e4a075a2be94d6097cadb43e154de484b0a16b96c7c15fecdf2795cec70cdc8`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4770 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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