Malicious PDF — malware analysis report

Static analysis result for SHA-256 b088dd2fedd3526e…

MALICIOUS

PDF

5.4 KB
MD5: 4e6a2343adae1286de2c449a75b62dfc SHA-1: 6fbac4cb62b2fa3c729e599bfc88de5a29eae141 SHA-256: b088dd2fedd3526ebe67028fb76aa06226a104a78e22f4816eeded29992cadd7
218 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to LibTIFF XFA image processing. This exploit allows for arbitrary code execution. An embedded file was also detected and flagged as suspicious by ClamAV, further indicating malicious intent.

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_obj0008.bin
e9fc1f46698c1876f7e880823e7e3aefebbbcac7a7d6ed02475172afaaee28a2
pdf-embedded-file PDF EmbeddedFile object 8 at offset 0x408 30820 bytes
Detection
ClamAV: Pdf.Exploit.CVE_2010_0188-10
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).