PDF malware analysis — malicious · 236bdb1d4b6b6418

MALICIOUS

PDF

10.4 KB

MD5: 8f79dcc901f391e9d05c1580e81f95a5 SHA-1: 2fa4a280c6b6411b340a896cc7b5289ce0c8e9b7 SHA-256: 236bdb1d4b6b6418d3d902c0892c6a9994afae1f0f910bb17e200f202c231c2b

78 Risk Score

Malware Insights

MITRE ATT&CK

T1553.005 Mark-of-the-Web Bypass

The PDF file exhibits multiple suspicious characteristics, including an embedded file and XFA form usage, which are common techniques for delivering malicious content. ClamAV detection as 'Heuristics.PDF.ObfuscatedNameObject' further supports its malicious nature. The embedded file, named 'embedded_file_obj0001.bin', is the primary indicator of a potential second-stage payload.

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` `2d35c708acc48fbd19ab9817a50400b0d235fc7a427918268d7f899f059b4dbe`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x94	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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