PDF malware analysis — malicious · 50689c79d4fbacb1

MALICIOUS

PDF

10.4 KB

MD5: 6a70968375203397bedf4f2425902767 SHA-1: 07f99bbb8767b3fb2429138c2e36cc7053824a14 SHA-256: 50689c79d4fbacb1a9f497bb7a38a7909c502d48ebb15848823a403111f84e04

78 Risk Score

Malware Insights

MITRE ATT&CK

T1553.005 Subvert Trust Controls: Mark-of-the-Web Bypass

The PDF file exhibits obfuscation, as detected by ClamAV's Heuristics.PDF.ObfuscatedNameObject rule. Additionally, it contains an embedded file, which is a common technique for delivering malicious payloads. The document body is heavily obfuscated and unreadable, providing no direct clues about the lure. The embedded file is the primary indicator of malicious intent.

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` `c539eaa3e97c0fd10e0c452b0543b9ed1e4e60121de8b508602fef2a333deeef`	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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