Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0552f15b64ebacd…

MALICIOUS

PDF

97.0 KB
MD5: a896b46a9a5694b8f4d27cf46903c629 SHA-1: 503b1c842a3ac191bfbccc546d33968b76626cf5 SHA-256: c0552f15b64ebacde94ab160dc05e0cd9ac8cbefc2344d5e181180561fb63632
118 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF utilizes XFA forms and contains an embedded script payload, as indicated by multiple heuristic firings including a critical ClamAV detection for 'Pdf.Exploit.Agent-6136306-0'. The ML classifier also flagged this PDF with a very high probability of being malicious. The embedded script is likely responsible for executing the exploit, leading to the delivery of a malicious payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
  • Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD
    PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://ns.adobe.com/xdp/
    • http://www.xfa.org/schema/xfa-template/2.5/
    • http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_pdf_script_0000026c.bin
6c1c03e6b7f00252c425cf6f136f6b6b79308aa04b9273635190ac07ec515779
pdf-embedded-script PDF raw stream script payload at offset 0x26C 98655 bytes