Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf7bb13ef030fdef…

MALICIOUS

PDF

2.6 KB
MD5: d00f695d02dea1bbc40bb77fab00b7b1 SHA-1: 901c9738d889c4ee388be4d1a3d047e8fbe54d5b SHA-256: cf7bb13ef030fdef18e96622bfb5bddc9b4b192882bf8e3e455d3b34048c744d
138 Risk Score

Malware Insights

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

The PDF file contains an embedded XFA form that exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to LibTIFF image processing. This exploit is designed to download and execute a secondary payload, as indicated by the ClamAV detection name 'Pdf.Exploit.Dropped-90'. The embedded file 'embedded_file_obj0001.bin' is likely this 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
b7e81457cfe4bc1314ffbf7b24a5a64d158aae210ba3e83040842fa16c67f50b
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).