PDF malware analysis — malicious · 8eb5100b12f41424

MALICIOUS

PDF

10.4 KB

MD5: 1bfcbb53e4847d337610c222a23ac3c8 SHA-1: e516d0085b91e4302d25da63466d9f4ca5886bae SHA-256: 8eb5100b12f41424c19755e444510e9258b18878f8410e1732566243eb31ab76

78 Risk Score

Malware Insights

MITRE ATT&CK

T1553.005 Mark-of-the-Web Bypass

The PDF file was flagged by ClamAV with 'Heuristics.PDF.ObfuscatedNameObject', indicating a suspicious structure. Additionally, a PDF_EMBEDDED heuristic fired, pointing to an embedded file named 'embedded_file_obj0001.bin'. This embedded file is the primary indicator of malicious intent, suggesting the document is a container for a secondary malicious 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` `f84518dc56fe50588d938dde5cf94032711b956fc8ea84066c14b1db527a583e`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x86	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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