Malicious PDF — malware analysis report

Static analysis result for SHA-256 db58c2cf88306558…

MALICIOUS

PDF

2.6 KB
MD5: 1e3b95a845e23eb200ccb238a6e783c9 SHA-1: ae194310a7b9d8c34cd2608a9bed2bb5adf983f3 SHA-256: db58c2cf883065582969b3e512db5d93116c9cdd684810942f2038ec958e3ed7
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious File T1566 Phishing T1566.001 Spearphishing Attachment T1566.002 Spearphishing Link

The sample is a PDF document identified as malicious by ClamAV. Static analysis detected an embedded file and an exploit targeting CVE-2010-0188 in Adobe Reader's handling of XFA forms. This indicates the document is designed to exploit a known vulnerability to execute arbitrary code upon opening.

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
ce1d5288324d6c245fd9d8af51a89e747884ac5b1b6ad0f958eb60aa080924ee
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).