Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ac368b5c459af61…

MALICIOUS

PDF

2.6 KB
MD5: daeb0bae73ab7ffa177b91affc1a2c5c SHA-1: 838de61873232ddc1f3c403f84926d413c380600 SHA-256: 3ac368b5c459af6168ec234e3d53143721873d3e6ca25ce30d72d7e64c5bacd2
138 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an embedded XFA form that triggers the CVE-2010-0188 exploit in Adobe Reader. This exploit is designed to execute arbitrary code, likely to download and run a second-stage payload. The deobfuscated JavaScript further suggests malicious intent, potentially related to payload delivery or execution.

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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0001.bin
d51d1bb062893aea19e42102271267e5613eb272efbe56e654359023bdb2f076
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).
acroform_b64_00.js
7031ff4563e646a5ae14a40062dcc9e78a39966cff020837d41f8ad78beb38ab
deobfuscated-js PDF AcroForm base64 (decompressed) at offset 0x58A 8730 bytes