PDF malware analysis — malicious · daf97f16e68bd7cd

MALICIOUS

PDF

10.5 KB

MD5: e32bf8c72e126bbea5b898d235a1d564 SHA-1: c27ec852620cd7ad38ca9e7ad37ad8ec22faf81f SHA-256: daf97f16e68bd7cd94bd4c9e3664575495f8bb369ec2de29c70a895261c7764c

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.001 Spearphishing Attachment T1140 Deobfuscate/Decode Files or Information

The PDF file was flagged by ML classifiers and ClamAV as malicious due to obfuscation and the presence of an embedded file. The embedded file, named 'embedded_file_obj0001.bin', is highly suspicious and likely contains the secondary payload. The obfuscated nature of the PDF content and the embedded artifact strongly suggest an attempt to evade detection and deliver malware.

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` `b339e76b5c1ed0a2ddce2e2270e379cc8877776f45cef67e1a64b84fdc097828`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x86	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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