PDF malware analysis — malicious · b7ddf00b64cdaede

MALICIOUS

PDF

10.4 KB

MD5: ec30a27673e07bf4ea45e48f4015bfb9 SHA-1: c0de21a0d91bd8bba8a7560f40f9b0f10fb5c780 SHA-256: b7ddf00b64cdaedee079ae0620673b5140f99df8c218e2b34623ab84abfbc5ed

108 Risk Score

Malware Insights

MITRE ATT&CK

T1566.003 Spearphishing Attachment T1204.002 Malicious File

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for an obfuscated name object and an ML classifier indicating maliciousness. The presence of an embedded file, 'embedded_file_obj0001.bin', suggests it's a dropper or downloader. The document body contains heavily obfuscated and unreadable content, further indicating malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9989

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` `e7340418998f03aa4042c0482e54ca3d6bcfc07fd22744b79fbc1cf8bdf9a1a4`	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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