Malicious PDF — malware analysis report

Static analysis result for SHA-256 2528f14de4775434…

MALICIOUS

PDF

2.6 KB
MD5: 3d3abe707df97176e4eafdba7162105c SHA-1: b7e21af784e0d6a17bf4889b8c3f8ec69e2e7355 SHA-256: 2528f14de4775434c6077916ec01d3b3d4ed53dc313d3e3929219f6881b0d249
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains an embedded XFA form that exploits CVE-2010-0188 in Adobe Reader. A deobfuscated JavaScript file was extracted, which likely contains the malicious payload. The combination of the exploit and the embedded script indicates a malicious document designed to compromise the user's system.

Heuristics 5

  • 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: Pdf.Exploit.Dropped-90 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-90
  • 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0001.bin
963af139f4db48c737233013f4331458bb86e201f1f887b36041b3ba07c8c58a
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x5D 13473 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).
acroform_b64_00.js
cc67393566c704ed299c3435e70312ebb0c46635c203b61523a560a729902dfe
deobfuscated-js PDF AcroForm base64 (decompressed) at offset 0x58A 8730 bytes