PDF malware analysis — malicious · cf80092fef0dedf9

MALICIOUS

PDF

2.7 KB Created: 2186-01-01 Authoring application: 9977

MD5: 3dfaff71e9cb517261c60160c1b96126 SHA-1: 458d5125b59f11c650346e09a8a8a0504ed132a4 SHA-256: cf80092fef0dedf907b4b8cded30d338871ff7222a3cb4e04d76f37778ae7f81

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 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 a known exploit. The embedded JavaScript, identified as 'javascript_obj0013_001.js', is likely responsible for executing the exploit, potentially downloading and running a second-stage payload. The file's purpose is to leverage this exploit for malicious execution.

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` `f291628e16cb3368cd9e8ee6d9e0cb7b2068b871628ddf3be41f382d5aeab99f`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4784 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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