Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6c0614e8623a87c…

MALICIOUS

PDF

2.6 KB
MD5: 388723d0c1549d98cc3190264733354a SHA-1: 6434c1bb3ec63a341a474c08c284180e8b063fd5 SHA-256: f6c0614e8623a87ced9225881e2ace0033af02bf1629376c4910ae5db91dd84c
138 Risk Score

Malware Insights

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

The PDF file contains an embedded malicious object that exploits CVE-2010-0188 in Adobe Reader. This vulnerability allows for arbitrary code execution when the PDF is opened. The embedded file, named 'embedded_file_obj0001.bin', is likely the second-stage payload. The ClamAV detection 'Pdf.Exploit.Dropped-90' further confirms its malicious nature.

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).