Malicious PDF — malware analysis report

Static analysis result for SHA-256 eeb97ddf57abc355…

MALICIOUS

PDF

11.2 KB
MD5: c5d237e0aa2ef9034527974cafb81a75 SHA-1: a2091754ab594eb96da1a7896af5d0fd7ca0beb7 SHA-256: eeb97ddf57abc35511f803cf8abc83208e0a3e89a5acc0ba95b9d70768340b52
138 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The critical ClamAV detection indicates this PDF exploits CVE-2010-0188, a vulnerability in Adobe Reader. The embedded file and XFA form heuristics further support this, suggesting the PDF is designed to deliver a malicious payload via this exploit. No document body text was available for analysis.

Heuristics 6

  • ClamAV: Win.Exploit.CVE_2010_0188-7 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Exploit.CVE_2010_0188-7
  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
  • 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
  • PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED
    The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PSSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://ns.adobe.com/xdp/
    • http://www.xfa.org/schema/xci/1.0/
    • http://www.xfa.org/schema/xfa-template/2.4/
    • http://www.xfa.org/schema/xfa-data/1.0/
    • http://ns.adobe.com/xtd/
    • http://www.xfa.org/schema/xfa-form/2.8/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0001.bin
d72899acc4dce45a7f2e44344b0c23572115097afac7d21f1415f6d6da72e8c8		 pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x3E 10552 bytes
Detection
ClamAV: Win.Exploit.CVE_2010_0188-7
Obfuscation or payload: unlikely

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