PDF malware analysis — malicious · e605d00c0c8145b2

MALICIOUS

PDF

47.3 KB Created: 2006-02-16 15:03:51 -08:00 Authoring application: Acrobat PDFMaker 7.0.5 for PowerPoint (via substr)

MD5: 9dbf961f4e0730699784752322775fb8 SHA-1: c7ab3b96bb94b0965b4ba91680fbce2fe0835981 SHA-256: e605d00c0c8145b2e6177b2efa611e4dbb3ecf430761082e674b8f3905884ecc

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV detection and high ML classifier score strongly indicate malicious intent. The presence of embedded JavaScript, identified by PDF_JAVASCRIPT and PDF_JS heuristics, suggests an exploit is being used to execute code. The JavaScript stream is large, implying it likely downloads and executes a second-stage payload. The document body contains metadata related to PDF creation tools but no user-facing content to suggest a specific lure.

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` `b8cecafc95fe7c4cb20051e902639ae2b69c6e8387d118d5839d537deee32ea4`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99C	45642 bytes

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