PDF malware analysis — malicious · d1e3e698441475d4

MALICIOUS

PDF

12.8 KB

MD5: 70b6b28147b425e5a0b9fbdca73d701a SHA-1: 00046851c426a32c296cc367fcda606bfbd02c52 SHA-256: d1e3e698441475d449daa26d7dd8d8626cc1b8baafb747fe6746e2b26b4d31ba

116 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV heuristic 'Pdf.Exploit.Dropped-94' and the 'PDF_METADATA_EVAL_STAGER' heuristic indicate that this PDF is designed to exploit a vulnerability and execute embedded JavaScript. The embedded JavaScript stream is likely responsible for downloading and executing a second-stage payload, which is a common technique for malware delivery.

Heuristics 4

ClamAV: Pdf.Exploit.Dropped-94 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-94
PDF metadata JavaScript eval stager high PDF_METADATA_EVAL_STAGER

PDF JavaScript reads document metadata fields such as title, subject, or producer, decodes character data with parseInt/String.fromCharCode style helpers, and evals the recovered stage. This is a high-signal exploit-kit staging pattern.
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` `71d6f79001104d2e53cd4c675a13bffde54dacc983dafaaa5986dc383d43e501`	pdf-javascript-stream	PDF /JS object 76 at offset 0x3106	331 bytes

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