Malicious PDF — malware analysis report

Static analysis result for SHA-256 d55e7e18cdc6042d…

MALICIOUS

PDF

14.1 KB
MD5: 77e008be061238999b1e4aa33732c50f SHA-1: c6bd50fb535f56d736ee17d387ac7da6e49025ce SHA-256: d55e7e18cdc6042d9018466e42b039d17a1067f7eb4eb08d44d9ddc833cc0850
84 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.002 Spearphishing Attachment

The file is a PDF document identified by ClamAV as Pdf.Exploit.Agent-36962, indicating a known exploit. Several heuristics point to PDF-specific malicious features, including embedded files and an AcroForm button with an action trigger. The presence of an embedded URL further supports the malicious intent. While no scripts were extracted, the combination of PDF exploit indicators and embedded content strongly suggests the document is designed to exploit vulnerabilities and deliver a secondary payload.

Heuristics 5

  • ClamAV: Pdf.Exploit.Agent-36962 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36962
  • 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
  • AcroForm button with action trigger low PDF_ACROFORM_BUTTON
    PDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
  • 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://www.xfa.org/schema/xfa-locale-set/2.1/

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0041.bin
c06dcd026a7ea0536b63e07ce688691b585339a3ab7ff59065e546b56308c7bb		 pdf-embedded-file PDF EmbeddedFile object 41 at offset 0x2AEC 85 bytes
embedded_file_obj0042.bin
dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91		 pdf-embedded-file PDF EmbeddedFile object 42 at offset 0x2B9E 1029 bytes
embedded_file_obj0043.bin
6f03c72de447e14766f0014f62267fed96f7ac22c54c485ead75824526a05793		 pdf-embedded-file PDF EmbeddedFile object 43 at offset 0x2DB7 1837 bytes
embedded_file_obj0044.bin
3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169		 pdf-embedded-file PDF EmbeddedFile object 44 at offset 0x320B 144 bytes
embedded_file_obj0045.bin
10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275		 pdf-embedded-file PDF EmbeddedFile object 45 at offset 0x32B7 77 bytes

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