Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d9d90043dcaee2a…

MALICIOUS

PDF

5.4 KB Created: sdtres
MD5: 2d41f65da171f55e79035a758cf271d6 SHA-1: a34237afd7b3bb5c8248c8da0f7548e567805a91 SHA-256: 1d9d90043dcaee2a9cef68aee82706bc9fe745ea37e4437987d9dcc04e92e545
158 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.001 PowerShell

The critical heuristic 'CVE_2010_0188' indicates that this PDF exploits a known vulnerability in Adobe Reader. The embedded file and script payload markers further suggest that the exploit is used to download and execute additional malicious content. The ClamAV detection confirms the malicious nature of the exploit.

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.
  • ClamAV: Pdf.Exploit.CVE_2010_0188-10 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.CVE_2010_0188-10
  • 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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0011.bin
ae86fda46ac57a989d173698039e4bc9f7d831b68a4a46cd5ac41f302a42eb68
pdf-embedded-file PDF EmbeddedFile object 11 at offset 0x436 32604 bytes