Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb2f049d67b5ce77…

MALICIOUS

PDF

3.9 KB Authoring application: rxode (via va)
MD5: 44cd4cc4ea45bbcec1f97cb15e7a5e36 SHA-1: 5d3202c4777f0e66eb7a7fd8c2cde426e82c8d3d SHA-256: eb2f049d67b5ce778907af3f2e0f5de59961af8e124aaad85ccfe577a3e784b5
98 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment

The PDF file contains an embedded XFA form and triggers the CVE-2010-0188 exploit, indicating it is designed to deliver a malicious payload via a vulnerability in Adobe Reader. The embedded file 'embedded_file_obj0041.bin' is likely the delivered payload. The exploit targets a known vulnerability in Adobe Reader's handling of LibTIFF XFA images.

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 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_obj0041.bin
6415099aaad43b988f024e67237b854db4fc3343e4cc22eb01b3c85fc2d9d70f
pdf-embedded-file PDF EmbeddedFile object 41 at offset 0x53 9825 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).