PDF malware analysis — malicious · 3361b464c8fa97c8

MALICIOUS

PDF

10.3 KB

MD5: db1c5dd0b22d33d3083333b307db3e93 SHA-1: 2f1b56973f02c2a5b2e1b9ce907f8ca64f90fab2 SHA-256: 3361b464c8fa97c88191c312170417c6f4e938e1566f0155167ff00def8daeeb

108 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF was flagged by multiple heuristics, including a critical ClamAV detection for an obfuscated name object and a high ML classifier score, indicating malicious intent. The presence of an embedded file, named 'embedded_file_obj0001.bin', strongly suggests this PDF is a dropper or exploit container. The document body was unreadable, but the embedded artifact is the primary indicator of compromise.

Machine Learning

Nyx PDF Classifier malicious score 0.9986

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` `e2ce6416ce2aa4211366a83f57d03e7543f3a5189d796e467cee98e213b4785c`	pdf-embedded-file	PDF EmbeddedFile object 1 at offset 0x8C	13408 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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