PDF malware analysis — malicious · 867f0c5a538d6667

MALICIOUS

PDF

10.5 KB

MD5: 46ac33557d75ef73edf56e5e88b74364 SHA-1: 0d83dfdf78c46e571f4d7aab1d447e1c824d3d97 SHA-256: 867f0c5a538d6667960edbf641987bc77ec1b5cd673bee97ae8a6b88b43eee4d

78 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF file was flagged by ClamAV with 'Heuristics.PDF.ObfuscatedNameObject', indicating a suspicious structure. Furthermore, a PDF_EMBEDDED heuristic indicates the presence of an embedded file, named 'embedded_file_obj0001.bin'. This strongly suggests the PDF is a container for a malicious payload, likely intended for exploitation upon opening or interaction by the user.

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` `68dc51457a67d7a5e70cbc1680c4c5f64e7a07b8aa861d89e1e939ac88a23912`	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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