PDF malware analysis — malicious · 511183a03297ba19

MALICIOUS

PDF

10.4 KB

MD5: 2a391d46459a754e82619d5a0a743642 SHA-1: 2043b38665048ef827907ebdec8b68c61a41a49b SHA-256: 511183a03297ba199487501db0645fedfbe64696194b681ef074a8ce3e7ed2ae

78 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1027 Obfuscated Files or Information

The PDF file was flagged by ClamAV for obfuscated object names, indicating a deliberate attempt to hide malicious content. Static triage also identified a suspicious extracted artifact, specifically a long encoded blob within an embedded file. This strongly suggests the PDF is a dropper designed to deliver a secondary payload, likely contained within the embedded file.

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` `48a6a2067a66f10c2bbdd3a39659a0d888c298235a1b68de7bdcbb3c7d2af904`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x80	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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