PDF malware analysis — malicious · 7ca5fee0377279e8

MALICIOUS

PDF

10.5 KB Created: 2010-02-21 20:29:22 Authoring application: voCIZfqmxemEcqOyRD (via swLNmEdtCmQmEMW)

MD5: bae8b0787695dcac87a7064e2aeab7e6 SHA-1: 18c484a3672ee72dfff47742641df069dd9f5435 SHA-256: 7ca5fee0377279e8d3eeb3709fa03028ce6a370de65d8927c3a80b4f77abca4c

108 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-35572 and a machine learning classifier indicated a high probability of maliciousness. Embedded JavaScript was detected and extracted, suggesting the document is designed to exploit a vulnerability to execute code. The extracted JavaScript file, 'javascript_obj0007_000.js', is the primary indicator of compromise.

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` `7721bd90c9790cfbbb89e9f56373b7ef648b8ded6232730f68ffd93fea6e99ea`	pdf-javascript-stream	PDF /JS object 7 at offset 0x474	8833 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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