PDF malware analysis — malicious · c4c78bc91f93530c

MALICIOUS

PDF

2.7 KB Created: 7730-01-01 Authoring application: 2814

MD5: 8cb464652c4d175c951c552bb1afe463 SHA-1: 265e381ead21f6a19adfc047557afdce643c0f06 SHA-256: c4c78bc91f93530cf16c412c564ed2a5aaf734841e9afc9304aa9ad1f3087e12

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File Execution: Malicious JavaScript

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 exploitation of a PDF vulnerability. The embedded JavaScript file 'javascript_obj0013_001.js' is likely responsible for the malicious activity, potentially downloading and executing a second-stage payload.

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` `de70b43c50346757e7116d082b0d537f3a6667310a94af72b997c3a92fd05d16`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4805 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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