Malicious PDF — malware analysis report

Static analysis result for SHA-256 d289923cf0a0de8b…

MALICIOUS

PDF

12.8 KB
MD5: 3ae20e7c3b44dc6352c722608d9920fe SHA-1: a02d155b60a43cfd0e5230df71eeef8f032a08db SHA-256: d289923cf0a0de8bfd2e4165577ca72849dfe5f6c1e5ec32262d55ef57d471ce
88 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains an embedded script payload, indicated by the PDF_EMBEDDED_SCRIPT_PAYLOAD heuristic and ClamAV detection as Pdf.Exploit.Agent-6136306-0. The embedded script is likely responsible for downloading and executing a second-stage payload. The presence of an XFA form also suggests a potential vector for exploitation. The embedded URL is noted but its reputation is unknown.

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://www.xfa.org/schema/xfa-template/2.5/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_pdf_script_00000359.bin
85a1780b61d723def1faf5ef442effa321d115ca97de2f472b88c4e214d8b401		 pdf-embedded-script PDF raw stream script payload at offset 0x359 12364 bytes

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