PDF malware analysis — malicious · 22a2a51f674f7ca6

MALICIOUS

PDF

2.7 KB Created: 6840-01-01 Authoring application: 845

MD5: eed6ea5bf31482cbdd49626fa7a7bf1c SHA-1: 890c9009f1eb5be824699102e8bd7b158cd47b25 SHA-256: 22a2a51f674f7ca61589007694d18acbbc6d7ac188bbbd4f3370e3afb11da6e5

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by ClamAV and a machine learning classifier, indicating a high likelihood of exploit. Embedded JavaScript, identified as 'javascript_obj0013_001.js', was also detected, suggesting the PDF's primary function is to execute malicious code. The ML classifier's high confidence score and the critical ClamAV detection strongly support this assessment. The extracted JavaScript likely contains obfuscated code designed to exploit vulnerabilities or download further malicious payloads.

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` `63bb2c6d012346ecf38b4fda302ccdf3420e846487a3c0ca15a799bd4d0356d7`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4816 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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