PDF malware analysis — malicious · c69c4f8f23750bc7

MALICIOUS

PDF

10.4 KB

MD5: 1d8480bd25671bbb9020aa59855d02e0 SHA-1: ed2ff6da1065af71c44eb4131c267364e7d012a4 SHA-256: c69c4f8f23750bc7afba7d856530da6e99fbbda9ea105bbb268134aba27a07fd

108 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF was flagged by a machine learning classifier and ClamAV with a critical heuristic for obfuscated objects, indicating malicious intent. An embedded file was also extracted, suggesting the document is a dropper for a secondary payload. The document body contained heavily obfuscated and unreadable text, further supporting the malicious nature.

Machine Learning

Nyx PDF Classifier malicious score 0.9990

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` `00bbb608b5d23965e9b57251c13856196a8cfad6a23697ec8bd8823f47594466`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x84	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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