Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea14287cacf59253…

MALICIOUS

PDF

2.4 KB
MD5: 312fb0310897a350784da57f14bc9a58 SHA-1: d8432b4432d4e4d58f79d56d9a85b23c40838007 SHA-256: ea14287cacf592538fd8a4426bfe3e016cd31c8e7c373440ab38c200e7e2f558
80 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1559.001 Component Object Model and Distributed Component Object Model: Component and Object and COM Hijinking

The sample is a PDF file that leverages the CVE-2010-0188 vulnerability, which targets Adobe Reader's handling of XFA forms containing malformed TIFF images. This exploit allows for arbitrary code execution. The critical heuristic firing directly indicates this exploit, and the embedded file further supports the delivery mechanism.

Heuristics 4

  • Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188
    PDF contains XFA image data with an inline crafted TIFF payload and shellcode/delivery markers. This is the data-bound variant of the CVE-2010-0188 Adobe Reader LibTIFF/XFA exploit shape.
  • 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_obj0001.bin
447443f3a5ec50688f5c6cec743887b16ed197f5505dbe74ed608e69117461bd
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x51 13430 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).