PDF malware analysis — malicious · c8ff1b74782b6769

MALICIOUS

PDF

10.4 KB

MD5: c72b15e019861c6eede091c3c15421cc SHA-1: 809146fac8415b0829f08528630a4d4fc696102b SHA-256: c8ff1b74782b6769a6be1a86dbaa89808ad3ba4635bf68570d65a0896c6910a1

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, including obfuscated objects and an embedded file. The ClamAV heuristic 'Heuristics.PDF.ObfuscatedNameObject' strongly suggests malicious content. The presence of an embedded file, 'embedded_file_obj0001.bin', further supports the likelihood of a payload delivery mechanism. The document body itself is heavily obfuscated and unreadable, providing no direct clues about the lure.

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` `233d037e574b0babe1e97f354497ba147878c7d4b65b26606d0c500298048664`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x82	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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