PDF malware analysis — malicious · 35b71b181fc57fa8

MALICIOUS

PDF

10.5 KB

MD5: 1cc389003cc58624531759fc1c262dc4 SHA-1: 7507e2ff58c66b5826cfc3ab85376ecd42a6116f SHA-256: 35b71b181fc57fa8aedb7d724a5d29611a3f6ca83940892e940b1ffb9a032b86

78 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains an embedded object, flagged by ClamAV as obfuscated and malicious. This suggests the document is designed to exploit a vulnerability or trick the user into opening a malicious embedded file, likely leading to the execution of a secondary payload. The embedded file itself is the 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` `7e1c987c96a8043e9f94eb65394cf314c08fea09efdad4aab9c1dad6248dd3b8`	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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