PDF malware analysis — malicious · 7a7e236ac273e196

MALICIOUS

PDF

10.5 KB

MD5: cfb15114e9063862d25fe6506551ffe0 SHA-1: f81a348a16481d4fb8ed109b3ada36a6e92e1288 SHA-256: 7a7e236ac273e196acb3772c33a84699fa3cee08795221f810f9567c8ffdf416

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 further supports the attack pattern of delivering a secondary payload. The document body was unreadable, preventing a more specific analysis of the lure.

Machine Learning

Nyx PDF Classifier malicious score 0.9986

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` `17ffb2eacc50c4bd3b771d2c2346d2c80121462bc7b68358e4131eebc21beff0`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x7E	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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