Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad44060dd067ee9c…

MALICIOUS

PDF

11.8 KB
MD5: 52ccd74c3c545fc9f1b3820e7b32a968 SHA-1: de1076162a5f5d653c5c47cf0290ae779e54dd26 SHA-256: ad44060dd067ee9c465f9b21537fa282f9c6db9b2811326124a23c261d6d0e89
96 Risk Score

Malware Insights

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

The critical ClamAV detection of 'Pdf.Exploit.Dropped-78' strongly indicates a malicious PDF exploit. The presence of an embedded script payload further supports this, suggesting the PDF is designed to download and execute a secondary malicious payload. The embedded URLs are benign and do not contribute to the malicious activity.

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
d56ca49f12ab2aefc62201bad742a993f019f1f83a99598e1b53e6ea6041ee55
pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC8 11285 bytes