Malicious PDF — malware analysis report

Static analysis result for SHA-256 79260f7039346d0f…

MALICIOUS

PDF

2.6 KB
MD5: 4e9a635ad4909ea97436e9bb17051cb2 SHA-1: bc38b789c98abd21bb7ddbaa746c8bbdea29d506 SHA-256: 79260f7039346d0fe0d6b45a2ea5e06012bc6d3d64ee83d533def20f41866c85
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1204.001 User Execution: Malicious Link

The PDF file contains an embedded object that triggers the CVE-2010-0188 exploit, targeting a vulnerability in Adobe Reader's handling of XFA forms and TIFF images. This exploit is known to deliver a secondary payload, indicated by the 'Pdf.Exploit.Dropped-90' ClamAV detection and the suspicious embedded file artifact. The attack pattern is a classic exploit delivery mechanism.

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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0001.bin
6a5548bf152da6a0263cd5f5b28c2ed869d9b17c2668e22ae54adcdde7f67c69
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).