PDF malware analysis — malicious · ceeda601e4482601

MALICIOUS

PDF

5.6 KB

MD5: 6325c153fa1ab036eb133c2031777180 SHA-1: 6733afd24388dac614e450aef8ed1a5cbc4525e3 SHA-256: ceeda601e4482601e6de0902810f9e7d7ba4de8a37181be499d70cb7a6d57129

158 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by PDF_JAVASCRIPT and PDF_JS heuristics. The JavaScript is obfuscated, as suggested by PDF_UNESCAPE and CLAMAV_DETECTION (Heuristics.PDF.ObfuscatedNameObject). A critical heuristic, PDF_U3D_CVE_RELATED, points to exploitation of Adobe Reader's 3D content parsing, likely related to a CVE. The embedded JavaScript is the primary mechanism for exploitation, potentially downloading and executing a second-stage payload.

Heuristics 6

U3D/3D content in PDF — Adobe Reader 3D parser CVE-family indicator high CVE related PDF_U3D_CVE_RELATED

PDF contains U3D (Universal 3D) or 3D annotation content — CVE-2011-2462 and CVE-2009-3953 are critical vulnerabilities in Adobe Reader's U3D processing that allow arbitrary code execution. U3D content in PDFs is extremely rare in normal documents.
ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0001_000.js` `1f7cc7bf3e16058aeb3da355954458d71a738a8ed9bc1eec2b782b1fede0ec8d`	pdf-javascript-stream	PDF /JS object 1 at offset 0xF	3692 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 6 eval/decoder/string-building token(s).
`javascript_obj0002_001.js` `53ef3e86395c29047481d41061937b32759780f8b45be9739a0a576f50df45b1`	pdf-javascript-stream	PDF /JS object 2 at offset 0xFF9	58 bytes

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