Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae48495b64a7280b…

MALICIOUS

PDF

2.6 KB
MD5: 0a7816b44db88dc145bac0af0c7a908e SHA-1: 4cc501b60c64622850f1da9fdd6d489bc454e0cf SHA-256: ae48495b64a7280b1f242c4f3462f7e0888996c7882ebc7a67b8005b365c3107
138 Risk Score

Malware Insights

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

The PDF file contains an embedded malicious object, identified by the 'PDF_EMBEDDED' heuristic. The critical 'CVE_2010_0188' heuristic indicates that this PDF exploits a known vulnerability in Adobe Reader related to LibTIFF XFA images. ClamAV also detected this file as 'Pdf.Exploit.Dropped-90'. The embedded file 'embedded_file_obj0001.bin' is likely the delivered payload.

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
764dceda7d8b24156df7290f2205281ba543304baa5d6c68177f4105307551f5
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).