PDF malware analysis — malicious · 7e27d2b2760acc7f

MALICIOUS

PDF

9.7 KB Created: 2009-03-17 22:25:13 Authoring application: cDEHWliAbWiPUb (via YtlEKBwInrhS)

MD5: df63ecc367eff891caffd79a76ed3167 SHA-1: 5f91ccb9cbca24ddb8e8118578a4470bad28ae82 SHA-256: 7e27d2b2760acc7f0ce1d74c79df74add621a915fd2ebdd0f99c7cc3bcdb9e16

110 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV detection and ML classifier strongly indicate malicious intent. The presence of embedded JavaScript, identified by PDF_JAVASCRIPT and PDF_JS heuristics, suggests an exploit is being used to execute arbitrary code. The extracted artifact 'javascript_obj0007_000.js' further supports this. The document body text appears to be obfuscated or irrelevant filler, not indicative of a specific lure.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-35572 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-35572
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.
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_obj0007_000.js` `795cac5adaeabc74af8f1522ba015c910e446b85619ab37ece667f96b5336a7d`	pdf-javascript-stream	PDF /JS object 7 at offset 0x42C	8094 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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