Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf2e48375dc2cd14…

MALICIOUS

PDF

4.4 KB
MD5: 03c5a9c0626f2a19a51cefac3bbf1d38 SHA-1: 93d45bb5ddd8514b6fdeedb2d7265ec8ef2ec091 SHA-256: cf2e48375dc2cd1465083263e250fbed4db3b6a2c7716b7b15b9552481408476
98 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an XFA form and triggers the CVE-2010-0188 exploit, indicating it's designed to execute arbitrary code. The exploit targets a vulnerability in Adobe Reader's handling of TIFF images within XFA forms. The presence of ASCIIHexDecode and ASCII85Decode filters further suggests obfuscation of malicious content. No specific family could be identified, but the exploit vector is clear.

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.
  • ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX
    Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • ASCII85Decode filter (with exploit indicators) low PDF_FILTER_85
    ASCII85 encoding filter present alongside exploit delivery indicators — uncommon outside of obfuscation
  • 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
stream_000_off00000207.bin
3561102eeaccf9d15d66f9a15788322e2e03559c7aaa507a39beeb536f7f6814
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x207 13469 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).