Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0e681e96bc02dc7…

MALICIOUS

PDF

2.6 KB
MD5: 29563e5c015c75756b00e8a5c5e1ca42 SHA-1: a6e108c52e29f56d69e2b8322f2ea78e05a5affe SHA-256: d0e681e96bc02dc79652e6318f4cf41ab8f8cd2bdf1148b8f38a2e82f4a39c42
140 Risk Score

Malware Insights

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

The sample is a PDF file that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms and TIFF image handling. This exploit is designed to deliver a malicious payload, as indicated by the ClamAV detection 'Pdf.Exploit.Dropped-90' and the presence of an embedded file. The attack pattern involves tricking a user into opening a malicious PDF, which then leverages the exploit to compromise the system.

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
c517379e70224ed85618b3e38ad39c45d8833e5822f9562c5018241ef186ccb3
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x5D 13415 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).