Malicious PDF — malware analysis report

Static analysis result for SHA-256 5aeb62d480d8185c…

MALICIOUS

PDF

100.0 KB
MD5: 5a3feba4a178845c23ec2a8ad1ebfdfe SHA-1: 718ce1ba12c5d8d362c14a9459d3ad4fec0c5c71 SHA-256: 5aeb62d480d8185cd948a1ad0e291623374b9086ffedf3dcdf5178c9ae25acf4
116 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

This PDF file exploits the CVE-2010-0188 vulnerability in Adobe Reader's LibTIFF component, a known method for client-side code execution. The presence of XFA forms and embedded script payloads further indicates malicious intent. While no specific family is identified, the exploit mechanism points to a targeted attack.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188
    PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
  • 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 script payload in PDF stream low 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 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
dc5bd85568f50f1f7c39121cf4567694e379ae89e7927e0b719307fc5ce23d77
pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101677 bytes