PDF malware analysis — malicious · 2f8697bed4f5a4d6

MALICIOUS

PDF

2.7 KB Created: 8412-01-01 Authoring application: 4438

MD5: 8e3052f0576d17182e01d7ff76d27b41 SHA-1: 87bcb1e0b00eb0a56490ed604802d50df4e7dc21 SHA-256: 2f8697bed4f5a4d676083765beeae626a2a0a51661db8c604665b0147f714606

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 Scripting: JavaScript

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The embedded JavaScript, named 'javascript_obj0013_001.js', is flagged for hex escape obfuscation and script obfuscation indicators. This suggests the script is designed to perform malicious actions, likely exploiting a PDF vulnerability to gain execution. The ClamAV detection 'Pdf.Exploit.Agent-36014' further confirms its malicious nature.

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` `9cf406072ccb258520738be58f3b4103c89cda0412f58e6bdd4d79d117e33024`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4813 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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