PDF malware analysis — malicious · f0e721c6f952f96a

MALICIOUS

PDF

40.1 KB

MD5: 59d7ed6c16668c668fe0e113fb3eb0ca SHA-1: 8cbb5465c4743ea21f48bd339d0ffdeaa16fb914 SHA-256: f0e721c6f952f96a6b8f98fe08cec6623f32fece8d0ad086886769419f237330

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious Link T1566.002 Spearphishing Attachment

The PDF file contains obfuscated JavaScript and U3D content, triggering critical heuristics related to PDF malware and potential exploits. The presence of JavaScript actions and embedded JS streams indicates an attempt to execute code. The U3D content is a known indicator for exploits targeting Adobe Reader's 3D parsing capabilities. ClamAV also flagged this as Heuristics.PDF.ObfuscatedNameObject, further supporting its malicious nature.

Heuristics 5

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
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
`u3d_00_off0000339a.bin` `7012a38f56ca7d7ae1dfe89a52d1ed20ff154b25f4be1529eb18743edaf26d5d`	pdf-3d-stream	PDF U3D 3D stream at offset 0x339A	27554 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.99, consistent with packed or encrypted content.

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