Malicious PDF — malware analysis report

Static analysis result for SHA-256 e234ec44c9bc7acc…

MALICIOUS

PDF

2.6 KB
MD5: 3f47a85578a83633bd36bf5e284cd8eb SHA-1: 318badc103fe8df79e8a15d494b50e2ac55c7a14 SHA-256: e234ec44c9bc7acc634e654dca8933623f542490be9f93c9c86680dfd2b18285
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF file contains an embedded malicious object that exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms and TIFF image parsing. This exploit is designed to download and execute a secondary payload, as indicated by the ClamAV detection 'Pdf.Exploit.Dropped-90'. The embedded file 'embedded_file_obj0001.bin' is likely the dropped payload.

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
50fdf29fbd62c1372f3234e83613cd9e83862f82ed8b9b78a8eeb8983582fc97
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).