Malicious PDF — malware analysis report

Static analysis result for SHA-256 926f879086d139fc…

MALICIOUS

PDF

100.0 KB
MD5: 6f672f382843cd8edfe3a2b1d6a27bec SHA-1: 59bc8d4ef1dc89d0cf9ecd648b14a08f970df04c SHA-256: 926f879086d139fcdb1334899917abc6e94969b4084925c63e36aa255021e5f4
136 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: Malicious PDF

This PDF document exploits the CVE-2010-0188 vulnerability in Adobe Reader's LibTIFF component via an XFA form. The embedded script payload within the XFA form is designed to trigger this exploit, likely leading to the execution of arbitrary code. No specific malware family was identified, but the exploit mechanism is clear.

Heuristics 6

  • Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188
    PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
  • XFA form contains executable script high CVE related PDF_XFA_SCRIPT
    PDF embeds an XFA form whose dataset contains a <script> or <xfa:script> block — XFA scripting has been the exploit primitive for several Adobe Reader RCEs (CVE-2010-0188 family, CVE-2018-4901, and others). Plain XFA without scripts is far less risky.
  • Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD
    PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
  • 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/xfa-template/2.5/
    • http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0008.bin
d307eb7b41ba6be4a31a84a363e9e12b60b08cb45f1bb1eddfc8d8f62e1070d5		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101647 bytes

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