Malicious PDF — malware analysis report

Static analysis result for SHA-256 2619eb247f778595…

MALICIOUS

PDF

10.4 KB
MD5: 3882acaef9bbfa0a9c4fe233c0e23ae4 SHA-1: 06074f37c4aca7ae0c4fc0f1f920809e53b3b739 SHA-256: 2619eb247f7785950ee6a1216a129b5c3e6fa6d91a4f15a2b36dcd09062f099b
78 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment

The PDF file contains heuristics indicating an embedded file and XFA form, and ClamAV detected it as Pdf.Exploit.Agent. The embedded file, 'embedded_file_obj0001.bin', is highly suspicious and likely contains the malicious payload. The PDF structure suggests it's designed to trick the user into opening the embedded artifact, leading to a compromise.

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-20214 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-20214
  • 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.

FilenameKindSourceSize
embedded_file_obj0001.bin
65be55ef3e5b062dac264c0e3900a8c03f3fdaa3ca2e7b436540d02d6731511c
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).