PDF malware analysis — malicious · 8ff22a55cf119199

MALICIOUS

PDF

10.4 KB

MD5: 516b62720271d9c5f3c85ba8848eaad6 SHA-1: 8440cbddf7d77e28efdf4915dab53df2275c53f7 SHA-256: 8ff22a55cf119199ab5019e5315bbabbd668f39feb82d4610239b53d870de581

78 Risk Score

Malware Insights

MITRE ATT&CK

T1553.005 Mark-of-the-Web Bypass

The PDF was flagged for containing an embedded file and for being obfuscated, which are common techniques for delivering malware. The ClamAV detection 'Heuristics.PDF.ObfuscatedNameObject' further supports the malicious nature of the file. The embedded file, '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` `e2eb862dcee4d84f6b032c27a64f7d6173a7fb29c5e82b9b9c3f1dec51c1e5f9`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x8E	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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