Malicious PDF — malware analysis report

Static analysis result for SHA-256 c43c42ad551e498f…

MALICIOUS

PDF

2.6 KB
MD5: 7df9eb586976d29892dda61823b7cbcc SHA-1: cd56bd306e0e58edf02a088dcc9a1e046297d937 SHA-256: c43c42ad551e498fa5e1b021b20428d33a8ffedae944640dea9343eb2a02c6b7
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF file contains an embedded object that triggers the CVE-2010-0188 exploit in Adobe Reader. This exploit is known to download and execute a second-stage payload. The ClamAV detection 'Pdf.Exploit.Dropped-90' further confirms the malicious nature of the file, indicating it's a dropper for other malware.

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
53f4ef07c09de149fc36a30d35cefbc1d7ce5bedee0a4723bbed52583ee82091
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).