PDF malware analysis — malicious · c98a267f7191e0dc

MALICIOUS

PDF

2.7 KB Created: 76 Authoring application: 1458

MD5: 9cccc0c53ea03c3869fe11ae38ebdadf SHA-1: 9debaae589eef37bf3eac5ae2b67416e94731682 SHA-256: c98a267f7191e0dc4b227228eccf4f9ff9aaecd5e7ac85be666c7852e9a37992

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' further confirms its malicious nature. The extracted JavaScript file, 'javascript_obj0013_001.js', shows signs of obfuscation, suggesting it is designed to download and execute a second-stage payload. The exact nature of the payload could not be determined due to obfuscation, leading to a slightly reduced confidence.

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` `06f5e2e1288763af00145386b88692fdeb67cd0e28b4006ace7f7e0203fd566a`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4798 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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