Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea9b183b9fbb5c08…

MALICIOUS

PDF

3.4 KB
MD5: 605327851734b9313827455a53ae95ab SHA-1: 50513aaf7b36e3cb3bc60ccfe469cea4dc391e4f SHA-256: ea9b183b9fbb5c083bc652f014686bdee9b4104c4c8371f4559b66561a2f0759
138 Risk Score

Malware Insights

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

The PDF file contains an XFA form and triggers a critical heuristic for CVE-2010-0188, indicating it exploits a vulnerability in Adobe Reader related to LibTIFF and XFA images. This suggests the file is designed to drop a malicious payload upon opening. The ClamAV detection 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.Dropper.Agent-7319609-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7319609-0
  • 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_off000001e9.bin
270d3162d26b88b5110b709a5565ed458ce9561c5750a3f764814eb2e93eebde
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1E9 13469 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).