Malicious PDF — malware analysis report

Static analysis result for SHA-256 4be1347dfc985cde…

MALICIOUS

PDF

2.7 KB
MD5: 9678a160d6a80b93bd21cdb7376bffc5 SHA-1: 2fa4c0dbef4aa7c9cfa7fb3f0c59f5d81311a93e SHA-256: 4be1347dfc985cdeaff589aa0badce991877aefd37559c47830bbe6eaa4f74be
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1204.002 Malicious Link: Malicious File

The PDF file contains an embedded object and triggers the CVE-2010-0188 exploit, indicating it is designed to deliver a malicious payload. ClamAV also detected it as Pdf.Exploit.Dropped-90. The embedded file is likely the second-stage malware.

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
a65f1cfcf35a86fa1ff8dc1ae5316b43381690de41a08c7511e35777f1ec20df
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).