PDF / .PHP malware analysis — malicious · 9f1ca1ebaabc581a

MALICIOUS

PDF / .PHP

6.1 KB Authoring application: Favib rela (via Pipnolpamok)

MD5: dad1c22a2a3203c58203d0919b794b96 SHA-1: bebcd9be00eb6c3b1f620051dbadecb044af081e SHA-256: 9f1ca1ebaabc581ae7d5cdd9be35e3111b9391abd3135612c4cb73ff6d698d2c

166 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV detection and ML classifier strongly indicate this PDF is malicious. The presence of embedded JavaScript, flagged by heuristics, suggests an exploit is being used. The JavaScript's purpose is likely to download and execute a secondary payload, as indicated by the 'Pdf.Exploit.Agent-36174' detection name.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36174 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36174
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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_obj0015_000.js` `d2679f3f15d6e025ee8c17fa18b94c5a0f309ff0925fe97138da94e5b5bbdf34`	pdf-javascript-stream	PDF /JS object 15 at offset 0x1281	1504 bytes
Detection ClamAV: Pdf.Exploit.Agent-36174 Obfuscation or payload: unlikely

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