Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6ec8f9d5fe57762…

MALICIOUS

PDF

66.0 KB
MD5: 39f43c58dbd7f276876fd03916584b27 SHA-1: 171b5d8c30c042a7f4d790716a1b9f86f7018749 SHA-256: a6ec8f9d5fe57762c47c5230da9bda24ed5903b5a45cc4daba4d5a1e107b9b82
136 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains an embedded script payload and triggers the CVE-2010-0188 heuristic, indicating it exploits a vulnerability in Adobe Reader's LibTIFF component. The XFA form likely contains the exploit code designed to download and execute a secondary payload. No specific family could be identified, but the exploit vector 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
8733915826a29d88b701a03f662107e518194bb23400ae956dfebbdeeb121975		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 66829 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.