PDF malware analysis — malicious · c6d5a982ae268d2b

MALICIOUS

PDF

10.5 KB

MD5: fd3691968890475cbbd644f788c0cf5c SHA-1: 43e75153a24a96d0c4ebd4646ef1184e2a7d84eb SHA-256: c6d5a982ae268d2b4a607ead6a535fbf90be073954cf76c68ddea657469ff797

108 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by multiple heuristics, including ClamAV's detection of an obfuscated name object and a high ML score, indicating malicious intent. The 'PDF_EMBEDDED' heuristic and the presence of an 'embedded_file_obj0001.bin' artifact strongly suggest that the document is designed to deliver a secondary malicious file. The XFA form suggests a complex document structure potentially used for obfuscation or exploit delivery.

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` `c25699ed91b2f6f7d5de20b71f56ba502f53ce9a8ebc89b215f3214119cb3d15`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x84	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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