PDF malware analysis — malicious · 2a4c6986ef0dcf4e

MALICIOUS

PDF

10.5 KB

MD5: 8d2b60d7cc117a969c51cab145dbfb50 SHA-1: 28552b05d1b031e595711aeaab48ae24bc3221b5 SHA-256: 2a4c6986ef0dcf4e934dee1d09d544d3185cc26b1fb21125744f48af5f26257f

78 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1027 Obfuscated Files or Information

The PDF file exhibits characteristics of malicious intent, including obfuscated content and an embedded binary file. The 'CLAMAV_DETECTION' heuristic specifically flags it as 'Heuristics.PDF.ObfuscatedNameObject', indicating a deliberate attempt to conceal its nature. The presence of an embedded file, 'embedded_file_obj0001.bin', strongly suggests that this PDF is a delivery mechanism for a secondary malicious 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` `3fb032bebf0e4687f880fabca73fe5299dad8e0cea92e1acc35774ab1febc3ad`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x86	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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