PDF malware analysis — malicious · bc779f6b2338e28d

MALICIOUS

PDF

2.7 KB Created: 7171-01-01 Authoring application: 7242

MD5: 45c101da427620c18e450cb3c6d21814 SHA-1: 1214d417bc28afab9af95938bbf7df31bcc149f3 SHA-256: bc779f6b2338e28d32b454f0602a37ed756f73fd4c1ffbca1434b1c2dd808bc8

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests malicious intent. The extracted JavaScript file, 'javascript_obj0013_001.js', shows signs of obfuscation, typical of malware attempting to download and execute a second-stage payload. The document body is unreadable, but the presence of JavaScript and the ClamAV signature point to an exploit delivery mechanism.

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` `58cc97f955a85133ed3737721fe14490dbaa860f4b201f8f8123eac711f57b07`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4777 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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