PDF malware analysis — malicious · d629e3a3258d9ed3

MALICIOUS

PDF

2.7 KB Created: 5410-01-01 Authoring application: 5476

MD5: 4102af2dd868e3b60ae2d19212090aaf SHA-1: 8794899bc154170ea2d0774185b03e96ed17140a SHA-256: d629e3a3258d9ed31634f1b5089ed08c618fba3d145287298f685aa6e39632c9

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 'EXTRACTED_FILE_STATIC_TRIAGE' heuristic flags hex escape obfuscation and script obfuscation within the extracted 'javascript_obj0013_001.js' file. ClamAV also detected this as 'Pdf.Exploit.Agent-36014'. The presence and obfuscation of JavaScript strongly suggest it is used to exploit a vulnerability within the PDF reader to execute malicious code.

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` `306383a0b70ae3dfeccd2f6e067b997523d1cf0af187fa1ff00b22c9573f32a7`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4790 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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