PDF malware analysis — malicious · ea8972c377a8cd92

MALICIOUS

PDF

10.4 KB

MD5: fd093f3e914834e767a7d7152c9a391f SHA-1: a26b08287a472a5c6b9b3e4fb454b448a1c455ab SHA-256: ea8972c377a8cd92cad8a1f8b581b6c7ee01521d163b2f1149a42f4fa0bd2b47

108 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for obfuscated objects and an ML classifier indicating maliciousness. The presence of an embedded file and an embedded URL further suggests a malicious intent. The document body appears to be heavily obfuscated or corrupted, preventing a clear understanding of its lure, but the technical indicators strongly point to a PDF exploit attempting to deliver a secondary payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9990

Heuristics 4

ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
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
`embedded_file_obj0001.bin` `82e90d2758893bd59df4ce0071755e50baed346daa0139aea7c3be02a6665762`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x82	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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