PDF malware analysis — malicious · 58f351441b73bb56

MALICIOUS

PDF

10.4 KB

MD5: 290e6cf5feaad17979c94c8f0fe7cbd8 SHA-1: 0f4b29a8f37656056bd5cd3248c6c10b1ebf73a3 SHA-256: 58f351441b73bb560b18dbe1e28884934a5c602ec669f5d3a862539593549eb1

78 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1027 Obfuscated Files or Information

The PDF was flagged for obfuscation and contains an embedded binary file, which is a common technique for delivering malware. The ClamAV detection 'Heuristics.PDF.ObfuscatedNameObject' further supports the malicious nature of the file. The embedded file, 'embedded_file_obj0001.bin', is likely the secondary payload.

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` `54b961445268e5bd6a2b8dd600603e7925c957eab4a6ca9ffaf695db5a384442`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x7C	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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