Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2bc5cf53073c60e…

MALICIOUS

PDF

2.6 KB
MD5: 3871b51886a9d6db201536083815bb76 SHA-1: f4798fbff0a9a1d475c59bf80179490780b23b3a SHA-256: b2bc5cf53073c60ec1c8cc18737dd8468123a444a9cd38a7928f8220f6613bd6
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1559.001 Component Object Model Hijacking

The PDF file contains an embedded malicious object and exploits the CVE-2010-0188 vulnerability in Adobe Reader's LibTIFF component. This exploit is designed to deliver a second-stage payload, as indicated by the ClamAV detection 'Pdf.Exploit.Dropped-90' and the presence of an embedded file. The attack pattern is consistent with a malicious PDF designed to compromise the user's system via an exploit.

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
dee1c6645df9daf85a19b20e87ef2981c4080b0dff73537c0d71659ec5326eb0
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x5D 13415 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).