Malicious PDF — malware analysis report

Static analysis result for SHA-256 80c465d3c9125f01…

MALICIOUS

PDF

5.5 KB
MD5: 61d53100e9318fd2bd273258f0a53544 SHA-1: 1615e082fe5a154a20d6980e6e4b8217d7025ea8 SHA-256: 80c465d3c9125f017d49983ba1c8c5de99f4f55ed28858c8bc5cda2013f49999
218 Risk Score

Malware Insights

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

The PDF file contains an embedded artifact and triggers critical heuristics for CVE-2010-0188, indicating exploitation of a known Adobe Reader vulnerability. ClamAV also detected the file as Pdf.Exploit.CVE_2010_0188-10. The embedded file, named 'embedded_file_obj0006.bin', is likely the second-stage payload. No scripts were extracted, but the exploit itself is the primary attack vector.

Heuristics 7

  • 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
  • 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.
  • 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
  • Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0006.bin
4bdc4a298ccad0793be567f795e5b142d49ed1c5fda559b630ba5b5ef092513b
pdf-embedded-file PDF EmbeddedFile object 6 at offset 0x411 33588 bytes
Detection
ClamAV: Pdf.Exploit.CVE_2010_0188-10
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).