Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d9f30ba29bb9c73…

MALICIOUS

PDF

32.7 KB Created: eval Authoring application: gfhersdd
MD5: 8f82e16e6e5247fd162c80c8d691e710 SHA-1: b60f012c11897c5a51754b75b4a080b653ef69e2 SHA-256: 9d9f30ba29bb9c7322ddab1f8477f8e17d44cbc230835cc92c3c585153e0695b
80 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The PDF file contains an embedded stream that triggers the CVE-2010-0188 exploit, targeting a vulnerability in Adobe Reader's handling of LibTIFF XFA images. This exploit allows for arbitrary code execution on the victim's machine. No document body text was available for further analysis, but the critical heuristic confirms the exploit's presence.

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
  • PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED
    The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
  • 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
stream_002_off000002e7.bin
d980db416a918cfcdf9aba5611104480efeb24af9aeb0e0e947ae873a453d85b
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2E7 50029 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).