PDF malware analysis — malicious · ff71e5edd4be3d64

MALICIOUS

PDF

59.1 KB Created: 2006-02-16 15:03:51 -08:00 Authoring application: lice (via ubst)

MD5: 06a7218e4ea650a9ace2f5186b74907d SHA-1: 12e2830b0bce882156d3cdcb18000450575c92f1 SHA-256: ff71e5edd4be3d643e917c149648eddda4dff71d311326da669d2c6f837c3880

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF was flagged by ClamAV as Pdf.Exploit.Dropped-94 and a machine learning classifier indicated a high probability of maliciousness. The presence of embedded JavaScript, detected by heuristics, suggests the PDF is designed to exploit a vulnerability, likely to download and execute a secondary payload. The document body contains obfuscated metadata and strings, further indicating malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Exploit.Dropped-94 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-94
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_obj0076_000.js` `5f1358c7093024cb378d03599e18c23e7b64973b310b3d63564b5eec7ee7293c`	pdf-javascript-stream	PDF /JS object 76 at offset 0x94B	50540 bytes

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