PDF malware analysis — malicious · c1b0e04d9a617119

MALICIOUS

PDF

14.5 KB Created: 2008-07-26 19:43:58 Authoring application: Scribus 1.3.3.12 (via Scribus PDF Library 1.3.3.12)

MD5: ae5d15da4c759c4612e942647d524235 SHA-1: 97b3be498f79dc5b29280a3142c89e501858be61 SHA-256: c1b0e04d9a61711993cfc335669e63c0c898bf49e8f6772f329228414a3743da

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript with multiple eval() calls, indicating obfuscation and likely malicious intent. The ClamAV detection 'Pdf.Exploit.Agent-36118' and the heuristic firing for 'PDF_EVAL' strongly suggest the exploitation of a PDF vulnerability. The embedded JavaScript stream, named 'javascript_obj0013_000.js', is highly obfuscated, making it difficult to determine the exact payload, but the presence of eval() and the overall structure point towards a downloader or exploit execution.

Heuristics 5

ClamAV: Pdf.Exploit.Agent-36118 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36118
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution
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_obj0013_000.js` `dba61015f61933f8a80fe2d4bf9bc3742e4499ae420ca85cbd9166692156e775`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13279 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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