Malicious PDF — malware analysis report

Static analysis result for SHA-256 397d04d994143a10…

MALICIOUS

PDF

3.4 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Adobe PDF Library 8.0
MD5: 58d2da87a05b20e0b8f2333a14d63c61 SHA-1: 5f961f02b05cbc54576b241eb9599c3d9586aa42 SHA-256: 397d04d994143a10e4aa66ad4714f84ec06e7b2236a03227517389b933a53a2d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The PDF file contains embedded JavaScript and an embedded file, triggering critical heuristics for CVE-2010-0188 (Adobe Reader LibTIFF XFA image exploit) and a ClamAV detection on an extracted artifact. This indicates the file is designed to exploit a known vulnerability to execute a malicious payload, likely delivered via the embedded content.

Heuristics 7

  • 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.
  • 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.
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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
  • AcroForm button with action trigger low PDF_ACROFORM_BUTTON
    PDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0004.bin
b37ed74f6996e8aee9b056ef07fede218163f86ff3836f6a4bd2b785ecc1508a
pdf-embedded-file PDF EmbeddedFile object 4 at offset 0x1C6 35879 bytes
Detection
ClamAV: Win.Trojan.E-51
Obfuscation or payload: unlikely