Malicious PDF — malware analysis report

Static analysis result for SHA-256 935875050f3e2267…

MALICIOUS

PDF

2.6 KB
MD5: 287a80c12070d7040f5255cce14e9c16 SHA-1: 509c91294bd78c942132a6d64915ac95b585dabc SHA-256: 935875050f3e22677f704d210320bb1984a678c668048e5738ecf3a20fbc901d
140 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The critical heuristic 'CVE_2010_0188' indicates that this PDF file exploits a known vulnerability in Adobe Reader related to the LibTIFF library. The embedded file artifact further suggests that a secondary payload is being delivered. The ClamAV detection 'Pdf.Exploit.Dropped-90' corroborates the malicious nature of the sample.

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
30867b309a1cc912b16a695282993d7ffd365a630e837c5c167bc4972a1a4a1a
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).