Malicious PDF — malware analysis report

Static analysis result for SHA-256 579be66df7bbcbc6…

MALICIOUS

PDF

3.4 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Adobe PDF Library 8.0
MD5: d3e037cd9d9fc60eb23b24cd49112808 SHA-1: 8f3627733b6181140348623cbf74d4f95c1f0b25 SHA-256: 579be66df7bbcbc6387e7de762609d358e8220ab7fb66d7df9689461bd2aae6d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The PDF file contains embedded JavaScript and an embedded file, indicating malicious intent. The critical heuristic firing for CVE-2010-0188 strongly suggests exploitation of a vulnerability in Adobe Reader via an XFA image payload. This points to a likely attack pattern of exploiting a known vulnerability to execute arbitrary code.

Heuristics 7

  • Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188
    PDF contains XFA image data with an inline crafted TIFF payload and shellcode/delivery markers. This is the data-bound variant of the CVE-2010-0188 Adobe Reader LibTIFF/XFA exploit shape.
  • ClamAV: Pdf.Exploit.Agent-36078 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36078
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0004.bin
7fe661079d2cc0943cd0714afebf1ee3c2c64c7d0831a14b653786ca7a83c5bb		 pdf-embedded-file PDF EmbeddedFile object 4 at offset 0x1C6 35879 bytes

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