Malicious PDF — malware analysis report

Static analysis result for SHA-256 f58a6b5b63294a0f…

MALICIOUS

PDF

11.6 KB
MD5: 8666f1cd6746df64956cb59588b0f77d SHA-1: 8f50073728cd4014af2c6d117d985645b31f1e11 SHA-256: f58a6b5b63294a0fa2eba851d96c49a801cd930689aa8724a0a4bd9c0f0554c0
96 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious File T1204.002 Malicious File: Malicious PDF

The critical ClamAV detection 'Pdf.Exploit.Dropped-78' and the 'PDF_EMBEDDED_SCRIPT_PAYLOAD' heuristic indicate this PDF contains and likely executes an embedded exploit. The presence of XFA form elements and embedded files further supports its malicious nature. The embedded URLs are benign or unknown, and no script content was directly available for analysis.

Heuristics 5

  • ClamAV: Pdf.Exploit.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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.
  • 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
  • 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_file_obj0008.bin
404790c2c26c2f6e066ed9a1fb965ae3ed5d0ac17a982567bc0835de7c3a12e4
pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 11141 bytes