Malicious PDF — malware analysis report

Static analysis result for SHA-256 30c6301927d3f82d…

MALICIOUS

PDF

2.6 KB
MD5: 20199bedfb46ee5c909a2b9b1f22259a SHA-1: 18ff64108cebd0bd2081dfba05de99f7045baf2b SHA-256: 30c6301927d3f82daa93c097735cd7b4eb5241116ba06d62ace21f11a0b5847b
140 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF document that contains an embedded file and triggers the CVE-2010-0188 exploit. This exploit targets a vulnerability in Adobe Reader related to XFA forms and LibTIFF processing. The embedded file, named 'embedded_file_obj0001.bin', is likely the malicious payload delivered by the exploit. The ClamAV detection 'Pdf.Exploit.Dropped-90' further confirms its malicious nature.

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
904aa1385928d880d49a654dda25c5dcbda13f75beeed5f745a822dad3af4333
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).