Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed9a582a1ca6d6dd…

MALICIOUS

PDF

42.9 KB
MD5: 5111fa442f84dc21e9a1dee2697f9267 SHA-1: 34455eaf817f743c8cd055561b35fa845d255fbe SHA-256: ed9a582a1ca6d6dd84114eab5e98b4cc8346082d730dcda0ca7ae78728fd0398
156 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious File T1204.002 Malicious File: User Execution - Malicious PDF

The critical ClamAV detections indicate this PDF is malicious, specifically identified as 'Pdf.Exploit.Agent-36830'. The presence of embedded script payloads and multiple embedded files strongly suggests the document is designed to exploit a vulnerability and deliver a secondary payload. The document body content is obfuscated and does not provide clear user-facing lures.

Heuristics 6

  • ClamAV: Pdf.Exploit.Agent-36830 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36830
  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
  • 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/xci/1.0/
    • http://www.xfa.org/schema/xfa-template/2.5/
    • http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0008.bin
0a2224c4023b216235b61c3fc4dd17bbfac1ab23a545687f51b97604cf654712		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xD7 46 bytes
embedded_file_obj0009.bin
73c46b72e52071ff888d9666bac3401040d755b0315e3dfd8f9ce1937e692a0b		 pdf-embedded-file PDF EmbeddedFile object 9 at offset 0x14D 687 bytes
embedded_file_obj0010.bin
0fe7596619d7974f48bb0928a6efec8cf5bea691a6bfb71cb5fbc41c3ca73638		 pdf-embedded-file PDF EmbeddedFile object 10 at offset 0x447 168 bytes
embedded_file_obj0011.bin
512e4a3f1eaac58f80575bb19556ba6c5a73bbaa6f6a1205c6cf35c33256798c		 pdf-embedded-file PDF EmbeddedFile object 11 at offset 0x53A 428 bytes
embedded_file_obj0012.bin
d2f06f3fc6900856fe613a64a561919c8454dcbe0fdf238fb8b43e07016955ea		 pdf-embedded-file PDF EmbeddedFile object 12 at offset 0x731 190 bytes
embedded_file_obj0014.bin
16c440fc479f0b34430ff4ae647c76ce6c2b404076213b117ae6555f4a417f42		 pdf-embedded-file PDF EmbeddedFile object 14 at offset 0x83C 41146 bytes
Detection
ClamAV: Pdf.Exploit.Agent-36830
Obfuscation or payload: unlikely

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