Malicious PDF — malware analysis report

Static analysis result for SHA-256 c269c70f01ea09bd…

MALICIOUS

PDF

18.3 KB
MD5: 60f4d93e0a6473839495b078d46d837f SHA-1: 4cad0f1456a14e6bce15e26ce1b0f47f618fbf1e SHA-256: c269c70f01ea09bdd052ea3c5ed285fc7a592ea3ca8ce8b1dcaa925623108c17
148 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File T1566.002 Phishing: Spearphishing Attachment

The PDF file contains an embedded script payload within an XFA form, a known technique for delivering malware. ClamAV detections indicate it is a dropped exploit, likely attempting to execute a secondary payload. The embedded URL is likely part of the exploit chain.

Heuristics 5

  • ClamAV: Pdf.Exploit.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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://www.xfa.org/schema/xfa-template/2.5/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_pdf_script_00000329.bin
0f4e7cf0f7aff1c27fa91a416a0d2a872966ed64bef99750cf1f43a3705e4c33
pdf-embedded-script PDF raw stream script payload at offset 0x329 17981 bytes
Detection
ClamAV: Pdf.Exploit.Agent-36809
Obfuscation or payload: unlikely