PDF malware analysis — malicious · f773aa671f834431

MALICIOUS

PDF

10.4 KB

MD5: d462b2fcc92bbf4e0c858a1d969779e3 SHA-1: bf2a8b443d665f058fb692ccd30493ae7b89e854 SHA-256: f773aa671f834431de628953bcac519e3031091f67d745306e44abf3d703df7b

78 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1027 Obfuscated Files or Information

The file is a PDF document identified as malicious by ClamAV due to obfuscated object names. It contains an embedded file, 'embedded_file_obj0001.bin', which is a strong indicator of a malicious payload delivery mechanism. The XFA form and general PDF obfuscation further support this assessment.

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` `d0ea463c519638babcc6cf42192a43012a5cccc227225418be9282eed318e1d6`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x88	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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