PDF malware analysis — malicious · a5a047e032dd6cac

MALICIOUS

PDF

10.4 KB

MD5: eef107172d272b97353726ded5deade2 SHA-1: 5aa481eecbada43a4d489d6865ed462a227d5aa0 SHA-256: a5a047e032dd6cac7d21594ee23f6f71f548ef5bb49622908718205dcbafb35e

108 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF was flagged by multiple heuristics, including ClamAV's Heuristics.PDF.ObfuscatedNameObject and a machine learning classifier, indicating malicious intent. An embedded file was extracted, suggesting the document is a dropper or exploit container. The presence of an embedded file and the ML classification strongly suggest this PDF is designed to deliver a secondary payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9978

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` `7cf6b2298a43b224a6c5317bcac81b0d91e7b79986bd8f91601c02a4e9b37306`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x7A	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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