Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e05e8c39df0bdeb…

MALICIOUS

PDF

2.6 KB
MD5: 4f9c05c02d41781b970b716977514891 SHA-1: e358284c505b5100a449c0c84841898be6898987 SHA-256: 3e05e8c39df0bdeb2b90ec007a33002d10d5df37642a49a84680970db5d2a3d9
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The PDF file contains an embedded XFA form with a payload targeting the LibTIFF component of Adobe Reader, specifically exploiting CVE-2010-0188. This indicates the document is designed to execute arbitrary code upon opening in a vulnerable application. The embedded artifact and ClamAV detection further confirm 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
2b6491a4cb96ff81e88d9890a44c271b611b06e1bca006043f0be7b9e23acbb6
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).