PDF malware analysis — malicious · d8c48f0d35e7cf0d

MALICIOUS

PDF

10.4 KB

MD5: b0893c935583163522a7492508c6dd78 SHA-1: f21a3826caaa22c5ec88bd20351d5cc7b575d785 SHA-256: d8c48f0d35e7cf0d2f42cd5c8c93e5a57e51e517663457f7919190bfac3abc4e

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 the presence of an embedded file. The ClamAV heuristic 'Heuristics.PDF.ObfuscatedNameObject' strongly suggests that the file's structure or naming conventions have been deliberately altered to hide malicious elements. The embedded file, 'embedded_file_obj0001.bin', is a primary indicator of a potential secondary payload or exploit. The XFA form and general PDF obfuscation further support the assessment of a malicious document designed to conceal its true nature.

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` `e7b2c816f3e04d1592fbfbd52a634e23f0dd0b180f9d624b4733f82807e8bd1a`	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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