Malicious PDF — malware analysis report

Static analysis result for SHA-256 34c52c8571fa40af…

MALICIOUS

PDF

82.7 KB
MD5: 762cae4d28e7fc0fd7876a5ff1cf36d2 SHA-1: bb7ccf5011caddaf73b160c19904f24403251c7a SHA-256: 34c52c8571fa40af27538480d36a6369295d3f407cb49b37aa5507533302f311
148 Risk Score

Malware Insights

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

The PDF document contains embedded script payloads and is detected by ClamAV as a known exploit agent. The presence of XFA forms and embedded scripts suggests an attempt to execute malicious code upon opening. The embedded artifact 'embedded_pdf_script_00000246.bin' is also flagged by ClamAV, indicating it is a component of the exploit.

Heuristics 5

  • ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
  • 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_00000246.bin
94bff3848edaaad6c60bfb1292c73e36a3e26e4cfa69bc0c96a84268dc20b2af		 pdf-embedded-script PDF raw stream script payload at offset 0x246 83929 bytes
Detection
ClamAV: Pdf.Exploit.Agent-36769
Obfuscation or payload: unlikely

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