Malicious PDF — malware analysis report

Static analysis result for SHA-256 dc7787632b119a7a…

MALICIOUS

PDF

2.6 KB
MD5: 23207abc9d596612e3354c8e82a71e68 SHA-1: ea816b2ba2b33242d052fb69a99aaf727d7f908d SHA-256: dc7787632b119a7a7db7fd1a7a9c2e09fb3dc37a3471d842ea65fc6672e7eabd
140 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1027 Obfuscated Files or Information

The PDF file contains an embedded object that triggers the CVE-2010-0188 exploit, targeting Adobe Reader. This exploit is known to deliver a secondary payload, indicated by the 'Pdf.Exploit.Dropped-90' ClamAV detection and the suspicious extracted artifact. The attack pattern involves luring the user to open a malicious PDF which then exploits a known vulnerability.

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
0634c5ee170d7898f50dd27a6f0f5137328b01873f24b0c7dd777fb5fe2023d1
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).