PDF / .PHP malware analysis — malicious · 527fc3cd682b5e16

MALICIOUS

PDF / .PHP

14.5 KB Created: 2008-07-26 19:43:58 Authoring application: Scribus 1.3.3.12 (via Scribus PDF Library 1.3.3.12)

MD5: 3c235cf7fba6d92b94cc2b3104030541 SHA-1: f4e60b04a86ef1cf44deaaefaa85e61783837459 SHA-256: 527fc3cd682b5e16a41430167d8d30d7b441afafe935063a0db7eb2dbe5b9df6

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is detected as malicious by ClamAV (Pdf.Exploit.Agent-36118) and contains embedded JavaScript with eval() calls, indicating an attempt to execute obfuscated code. The JavaScript is likely responsible for downloading and executing a second-stage payload, as suggested by the heuristic firings for PDF JavaScript actions and eval() usage. The presence of a large encoded blob and script obfuscation indicators further supports this. No specific malware family could be confidently identified.

Heuristics 5

ClamAV: Pdf.Exploit.Agent-36118 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36118
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution
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.
Suspicious extracted artifact info 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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0013_000.js` `f3d09443b58cf02a6857d37975593ccac66d22fb881b1484ad83297d711d6958`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13314 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 33 long base64-like blob(s).

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