PDF malware analysis — malicious · cec81aa91f6dbfcb

MALICIOUS

PDF

10.4 KB

MD5: 4f6b5cb89aff213f76f3b66463d24a10 SHA-1: d0c5503dd87302df1301b80410e495c4366656f0 SHA-256: cec81aa91f6dbfcb81a5302db93fd19ec524ca2655d714b848d93c322b8fccdd

78 Risk Score

Malware Insights

MITRE ATT&CK

T1557 Adversary-Controlled Infrastructure T1204.002 Malicious File

The PDF file was flagged by ClamAV as Pdf.Exploit.Agent-21587, indicating a known malicious signature. Static analysis also revealed an embedded file, which is a common technique for delivering secondary payloads. The document body was unreadable, but the combination of the ClamAV detection and the embedded file strongly suggests this PDF is a malicious dropper.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-21587 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-21587
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` `df687155f45f31484773755dc23b44ae6a849e006b0253e7aaa06de01c198b25`	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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