Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa4833667f3f1a27…

MALICIOUS

PDF

2.6 KB
MD5: c61d6f6dd4cf015f3c114fb1ed23f6e1 SHA-1: 23ae35dff2632dd8bd066a286619d4139ca19cf8 SHA-256: aa4833667f3f1a270ebbb0148afb7e95f8d30df870067c18d1e2e9482a79f30b
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1559.001 Component Object Model Hijacking

The PDF file contains an embedded malicious object and triggers the CVE-2010-0188 exploit for Adobe Reader. This exploit is known to deliver a second-stage payload. The embedded artifact 'embedded_file_obj0001.bin' is also flagged as suspicious.

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
873c6ba6f63667230f6f72076c71efeefd9805be964dff4c638df9642ade5772
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).