Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e8ce649f1ae1889…

MALICIOUS

PDF

2.5 KB
MD5: 01e290cd6e939cbb6fcb48ce13748b54 SHA-1: 7cf15af2834fb3dc9411e59c3da017daddcbf591 SHA-256: 0e8ce649f1ae188922882b2c694c7c14cc2fd76a3feede81257ede45603eb51d
108 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The sample is a PDF file that exploits the CVE-2010-0188 vulnerability in Adobe Reader, specifically targeting the LibTIFF component within XFA forms. This exploit allows for the execution of arbitrary code, likely to download and run a secondary payload. The ML classifier strongly indicates maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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
  • 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
8c2cf30d33f25246c9b228049e3b56fa46f5a620dd12b874d90267ec4c0f1fdb		 pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x51 13581 bytes

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