PDF / .TXT malware analysis — malicious · faba8d7fd49fe34d

MALICIOUS

PDF / .TXT

10.4 KB

MD5: f37d68ba313f814ab6d7080add3f37ad SHA-1: f0963f294d334fd0103cac17d34eb6fbe4078c5e SHA-256: faba8d7fd49fe34d51a00e38fff24a770c588fb5e63883bec2a559b7e577568e

108 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF was flagged by multiple heuristics, including a critical ClamAV detection for obfuscated objects and an ML classifier indicating high maliciousness. The presence of an embedded file, 'embedded_file_obj0001.bin', strongly suggests it's a dropper or exploit container. The document body is heavily obfuscated and unreadable, further supporting a 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` `1aacaf7f1c7fda208e40138b54fbd5e19007921ea262f10fb0dd91d21a344b78`	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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