Malicious PDF — malware analysis report

Static analysis result for SHA-256 01cb29c075111f7b…

MALICIOUS

PDF

52.9 KB
MD5: fee02e4a172100208f7654ccc20e06db SHA-1: 0ea9e4f3d4b61f8d1489b50dd75120c3b065279f SHA-256: 01cb29c075111f7b22871e3b8b7f3f02cf093e656198e867b0986bbf7a0ea91c
168 Risk Score

Malware Insights

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

The PDF sample contains an XFA form and triggers the CVE-2010-0188 heuristic, indicating exploitation of a vulnerability in Adobe Reader's LibTIFF component. The embedded script payload and XFA form further suggest malicious intent. While no specific family is identified, the exploit is likely used to download and execute a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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 risky executable script high CVE related PDF_XFA_SCRIPT
    PDF embeds an XFA form whose script block contains exploit, submission/launch, or shell-execution primitives. Ordinary LiveCycle print/update scripts are left as generic XFA/JS signals unless stronger behavior is present.
  • 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
721044753fade9bbc47cc87df362358f38f5af85142d8e7af5d5570b61c81bc0		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 53429 bytes

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