PDF malware analysis — malicious · 3d0034889b89f0d2

MALICIOUS

PDF

10.3 KB Created: 2009-03-31 14:52:05 Authoring application: fWckRYWKOIMkze (via DaPlbBGAEjMFwmO)

MD5: 3b52fe38c9e5c0cfa7e7665709369caf SHA-1: b92ff7ce07669dd599143212ddc5ca9168d89740 SHA-256: 3d0034889b89f0d2d7a9278956f618dd34618e267b388f80fe1450fa9f9f8925

78 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics, and a critical ClamAV detection for 'Pdf.Exploit.Agent-35572'. The embedded JavaScript stream, named 'javascript_obj0007_000.js', is likely responsible for exploiting a vulnerability within the PDF reader. The primary function of this script is presumed to be downloading and executing a secondary payload from a remote source, which is a common technique for malware delivery.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-35572 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-35572
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.
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `0f80cf614284aa11a6fe8a19ea3b5495feca20c507081175508b8725ae936231`	pdf-javascript-stream	PDF /JS object 7 at offset 0x504	8526 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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