PDF malware analysis — malicious · 3b80ddd71f7436bb

MALICIOUS

PDF

10.4 KB

MD5: 401dae0a2796392493fabec694538ee2 SHA-1: cbade7c0e0c744e2871d4ca13f4934c892d719f2 SHA-256: 3b80ddd71f7436bb2a5f083fe266ca4b2f6b3808dde5e4e89c2d0f7b920dd280

78 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains an embedded object, flagged by ClamAV as Heuristics.PDF.ObfuscatedNameObject, indicating malicious intent. The embedded file, 'embedded_file_obj0001.bin', is the primary artifact of interest. The presence of an embedded file within a PDF is a common technique for delivering secondary payloads.

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` `86624ea3653ebe3c5310155b86fa5f8b60fa59be1eb391ec5c9f589b16dd92b1`	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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