PDF malware analysis — malicious · f32be4d0ef0bd4a8

MALICIOUS

PDF

10.4 KB

MD5: e337ba90b042bd85bbb4efa86bd9e225 SHA-1: 01a08980f1f6639aa66179ca4c0ed607d4aab68b SHA-256: f32be4d0ef0bd4a8d55067d202c9f34f0472c04bc12cbe3b2b13076e0eca305d

108 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF was flagged by ML classifiers and ClamAV as malicious, specifically noting an obfuscated name object and an embedded file. The presence of an embedded file (embedded_file_obj0001.bin) strongly suggests an attempt to deliver a secondary payload. The XFA form usage is also a common technique in malicious PDFs.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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` `ea72ae9749e7e59883efe8fe7eddc7853cd212a1037736bc7cb7cc5aa2141560`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x78	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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