Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a14c0564f949e93…

MALICIOUS

PDF

2.6 KB
MD5: 18df5a2a5ffb38f41fbb11c0673d13a0 SHA-1: 91f1200dec85a52595903d1a9984a472acefdeef SHA-256: 3a14c0564f949e9393ddfbaf6eef0972dbe3853f06c5742de82a868378b91673
138 Risk Score

Malware Insights

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

The PDF file contains an embedded malicious object, identified as a potential exploit for CVE-2010-0188 in Adobe Reader. This exploit likely facilitates the execution of a secondary payload, as indicated by the 'Pdf.Exploit.Dropped-90' ClamAV detection and the presence of a suspicious embedded file. The attack pattern suggests a delivery mechanism leveraging a known PDF vulnerability to compromise the user's system.

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
def3bb8ef087d4ea82397b0f8746d36706f3090e95959ea0292ea2f2f939383a
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).