PDF malware analysis — malicious · 94aed55f31d7ed9e

MALICIOUS

PDF

10.5 KB

MD5: 1e571af74e8568595a4ebda3c6c21688 SHA-1: f7af981cdf134c2c6fb1b446d9c66dc6a536c05d SHA-256: 94aed55f31d7ed9e948b843838b94e8d7ba5aff62ba753863291d3f0cb8ee480

108 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious File

The file is identified as malicious by a machine learning classifier and ClamAV, which detected obfuscated objects within the PDF structure. Static analysis also revealed an embedded file, indicating a likely attempt to deliver a secondary payload. The document body is heavily obfuscated and unreadable, providing no further context on the lure.

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` `b55bfe4aa0bf83f2ec526a1281ca0b979f8cf3e941588d87d616b6740256a6b7`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x80	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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