PDF malware analysis — malicious · c117550d6caa8a2a

MALICIOUS

PDF

10.4 KB

MD5: c8e6d6cb39f06c0ec0088710172a72ed SHA-1: ac7ce636d6939e5e65442063e59ff22bb674e31e SHA-256: c117550d6caa8a2ac2f2db67a9fd3558bc41561b121bbcdab8e89de20b2250c2

78 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1027 Obfuscated Files or Information

The PDF file exhibits characteristics of malicious intent through obfuscated naming objects and the presence of an embedded binary file. The ClamAV heuristic 'Heuristics.PDF.ObfuscatedNameObject' strongly suggests malicious activity. The embedded file, 'embedded_file_obj0001.bin', is likely a secondary payload. The XFA form and embedded file heuristics further support the conclusion that this document is designed to deliver malware.

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` `41c335effea537a042d7e91cc3fda0fc599f463445934b9cb67bf899fda8b8d2`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x8C	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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