PDF malware analysis — malicious · c79d69a3241a233b

MALICIOUS

PDF

10.4 KB

MD5: e851eb1714a9b8a3c1f5820b54759625 SHA-1: 2adbebb56e0b8344921d1f43b4caf2d09e4b7de1 SHA-256: c79d69a3241a233b72998220a76096ed7b9bfd6c7705dd1cad07a521aeb99ec6

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.001 Spearphishing Attachment T1027 Obfuscated Files or Information

This PDF file was flagged by a machine learning classifier with a high probability of being malicious and by ClamAV for obfuscated objects. The presence of an embedded file, 'embedded_file_obj0001.bin', suggests that this PDF is likely a dropper or downloader for a secondary malicious payload. The obfuscation and embedded file are strong indicators of malicious intent.

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` `0357be528b00b8c5f27a7ff8e44508d64b329bdbd92edcb9f68a2d02a227ac5e`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x7A	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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