Malicious PDF — malware analysis report

Static analysis result for SHA-256 4b0760dd35e3525d…

MALICIOUS

PDF

5.2 KB
MD5: 62b37f7b0a7793c8a59a46c5ccc971be SHA-1: 3a5fecf1b46c1e151747d00eadeebf35c66237e4 SHA-256: 4b0760dd35e3525d7bf1ea4a1e17f38e2b660247ebc04cee511ee55a37b630bc
76 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious File T1204.002 Malicious File: User Execution: Malicious Attachment T1059 Command and Scripting Interpreter

The PDF contains an embedded script payload within an XFA form, indicated by multiple high and medium severity heuristic firings. This script is likely intended to execute malicious code or download a second-stage payload. The embedded artifact 'embedded_file_obj0001.bin' is also flagged as suspicious.

Heuristics 4

  • 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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0001.bin
873debb35485f97259302609e83e282c8a8a6689f2285e2b5eae1233204d8ec3
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x28A 6730 bytes