PDF malware analysis — malicious · f933208fb5dbc276

MALICIOUS

PDF

10.3 KB

MD5: 5b1cd7ddb6dd1ab72859406fabfad39a SHA-1: 6a6831ca1ff3878f7f2e1021c9ddbad74cc1569a SHA-256: f933208fb5dbc2765e0587625d27a4735b271539a85ed80bb946450e685c745e

78 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains an embedded file, indicated by the PDF_EMBEDDED heuristic and the presence of 'embedded_file_obj0001.bin'. This embedded file is likely a secondary payload. The ClamAV detection 'Heuristics.PDF.ObfuscatedNameObject' further supports the malicious nature of the PDF. The XFA form heuristic suggests a complex document structure often used to hide malicious content. The attack pattern is inferred to be the delivery of a malicious payload via a PDF attachment.

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` `be1224206cc394773d9c94297a83f0351c9e5c7307a9f25145f3fcbae6a0314b`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x72	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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