PDF malware analysis — malicious · 35372a21976ea257

MALICIOUS

PDF

10.5 KB

MD5: a1d94e7cadedb897da1ec3df19cebbdc SHA-1: 53089750f0da41784cff629d6aab6b504f6c0ec7 SHA-256: 35372a21976ea257b81d049ce8e727d057ecf675d631e28464a794aa87b2c1d0

108 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious File

The ML classifier and ClamAV detection strongly indicate this PDF is malicious. The 'PDF_EMBEDDED' heuristic and 'EXTRACTED_FILE_STATIC_TRIAGE' suggest it contains and attempts to execute an embedded malicious file, likely the 'embedded_file_obj0001.bin' artifact. This points to a dropper or downloader functionality.

Machine Learning

Nyx PDF Classifier malicious score 0.9990

Heuristics 4

ClamAV: Pdf.Dropper.Agent-7248051-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7248051-0
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` `79977dd4f4b22810efd20ab3dd6b24e5c1fbe3b0dfb34577031b6a9ebff345d9`	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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