Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd27e6043d32ccf4…

MALICIOUS

PDF

2.6 KB
MD5: 6e7c387e3a0fa1eea03109af73dea9f0 SHA-1: 7d12157c1557faad794b4a4c5017aca681fc0481 SHA-256: bd27e6043d32ccf4516ab032557ce472914c9273cf1ea61de82aa40a3a0a27e5
138 Risk Score

Malware Insights

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

The PDF file contains an embedded object that triggers the CVE-2010-0188 exploit, a known vulnerability in Adobe Reader related to XFA forms and TIFF image parsing. This exploit is designed to execute arbitrary code, indicating the file's purpose is to deliver a secondary malicious payload. The ClamAV detection further confirms 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
65bea7ba564d858d766c2e0a7eea96e841d3214eaaa4035383aab007baed02df
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).