PDF malware analysis — malicious · a5341b44127fb1c2

MALICIOUS

PDF

10.4 KB

MD5: 004b39711ca3a9992c7812412badb4d1 SHA-1: 387026202139af2d08e0a6e924e6a12c6db8e523 SHA-256: a5341b44127fb1c23428131e746f0538901f4a120c08d67daa382e7e498c4ab7

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 as malicious, specifically detecting an exploit. The presence of an embedded file further supports the likelihood of a malicious payload delivery. The ML classifier output of 0.999034 indicates a very high probability of maliciousness.

Machine Learning

Nyx PDF Classifier malicious score 0.9990

Heuristics 4

ClamAV: Pdf.Exploit.Agent-21640 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-21640
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` `9e73185d2d9ee9e560ca7ed4fbcbefd2cab885f2493a2cd953db6dba50bcb9ab`	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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