Malicious PDF — malware analysis report

Static analysis result for SHA-256 d06e7b7222cfca76…

MALICIOUS

PDF

79.1 KB
MD5: c5792607e78a7e0f53f40b1c0687b1d2 SHA-1: 35eed6137bf7b72dada45d1abd379297cb071ac1 SHA-256: d06e7b7222cfca76a7466132dac9aace578eb201840b6d7952734c91e392396b
136 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: Malicious PDF T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file exploits CVE-2010-0188 via an XFA form, indicating an attempt to leverage a known Adobe Reader vulnerability. The embedded script payload within the XFA form likely facilitates the execution of arbitrary code, potentially leading to further compromise. The presence of an embedded file further suggests a multi-stage attack. The SHA256 hash is provided as a primary indicator.

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
8fd21ef39b0af05e4dd177599c471aea48a44175c09a5fe5c6ef7383614a30cc		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 80217 bytes

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