PDF malware analysis — malicious · 2767da7e61305181

MALICIOUS

PDF

10.4 KB

MD5: 8c647775382a5bc6289dfe11ede8c2da SHA-1: f62adc93a5c85d05bb5c863895f6b317e8af28de SHA-256: 2767da7e61305181d324acc9167761f8dd0684c38dfe39a92b6e5bb6557d2ea4

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, confirming the presence of 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 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` `e85568798d9c944874c7ae319b840d5907cdb6e11e0f44bc8c72064ed620b8da`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x76	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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