PDF malware analysis — malicious · c3ac41572e5f79c9

MALICIOUS

PDF

10.5 KB

MD5: 24813353bb6b6c6a003ac4109eee8370 SHA-1: 8755be30251cce1b86eb02e194c962ce39bca16d SHA-256: c3ac41572e5f79c94aaa7f5cdb39af99e8906114f2ea754f7616d5420f515e4d

78 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file was flagged by ClamAV with 'Heuristics.PDF.ObfuscatedNameObject', suggesting malicious intent. It also contains an embedded file and utilizes XFA forms, common techniques for delivering secondary payloads. The embedded file 'embedded_file_obj0001.bin' is a primary indicator of compromise.

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` `8217b611f2f61809890382d8659f8b2d1ae3f4d8d17c7730a0a7efbd19637a6d`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x7E	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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