PDF malware analysis — malicious · 917e6d336ba7c42b

MALICIOUS

PDF

10.5 KB

MD5: 818378a28257642ad4b3445220576324 SHA-1: f8458ef274d28f95b08cb6ec7890e8c8c983f566 SHA-256: 917e6d336ba7c42b8a4a769d4aad634912fd506223ebaa67221775358e70682e

78 Risk Score

Malware Insights

MITRE ATT&CK

T1553.005 Mark-of-the-Web Bypass T1204.002 Malicious File

The PDF was flagged by ClamAV with 'Heuristics.PDF.ObfuscatedNameObject', indicating a suspicious structure often used to evade detection. Furthermore, it contains an embedded file, 'embedded_file_obj0001.bin', which is a common technique for delivering secondary payloads. The XFA form heuristic also suggests a complex and potentially malicious document structure.

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` `041afa6029a04aa042554de34b5232f0ba672f1d83bcafb05a90434782271140`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x7C	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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