PDF malware analysis — malicious · ed53a65bdb8e09d0

MALICIOUS

PDF

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

MD5: dd4788626a30bbca4d8a071357338aad SHA-1: 8206704c9834bcab8955606dc951f5730e777164 SHA-256: ed53a65bdb8e09d074f8f9fb4facfb117e1af371fdc73b7aae24575d0c3c25c5

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by ClamAV (Pdf.Exploit.Dropped-94) and a machine learning classifier. It contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. The presence of JavaScript suggests an attempt to execute arbitrary code, likely to download and run a second-stage payload. The document body contains metadata and copyright information but no user-facing content that would indicate 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` `25131bbaca572289f50f129b7bc16f421d38941cfbb977becc6c0f94d2da5ed9`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99A	50359 bytes

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