Malicious PDF — malware analysis report

Static analysis result for SHA-256 875910c383892fe1…

MALICIOUS

PDF

107.8 KB Authoring application: Python PDF Library 055 http072057057pybrary056net057pyPdf057
MD5: 69aa9a30eba306c6bc371177bbd85add SHA-1: 44012a157043805a15a2bc3f47706764eb4ef0e6 SHA-256: 875910c383892fe10e75f6c9b77d9c9d5a43203ce0e69bc22bdad17529a48f90
208 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF contains embedded Flash content that exploits CVE-2010-1297, a critical vulnerability in Adobe Flash Player. This exploit is designed to execute arbitrary code, likely leading to the download and execution of a secondary payload, as indicated by the ClamAV detection of 'Pdf.Dropper.Agent'. The embedded SWF file 'sploit.swf' is a strong indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • Adobe Flash authplay SWF exploit in PDF — CVE-2010-1297 critical CVE likely CVE_2010_1297_FLASH_RICHMEDIA
    PDF combines RichMedia Flash activation, a crafted SWF with ActionScript prototype/AVM-era markers or the AES-PHP/authplay variant markers, and PDF-side shellcode heap-spray staging. This is the static delivery shape associated with CVE-2010-1297 in Adobe Reader's bundled authplay.dll.
  • ClamAV: Pdf.Dropper.Agent-7279351-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7279351-0
  • RichMedia (Flash) high PDF_RICHMEDIA
    PDF contains /RichMedia (Adobe Flash) which is a historic exploit vector
  • 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 file low PDF_EMBEDDED
    PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
  • 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://adobe.com/AS3/2006/builtin

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
sploit.swf
f20d4773036855e9105ee72056325a2e16f4eedb49cbf128a1bfe1e45cd69660		 pdf-embedded-file PDF EmbeddedFile object 9 at offset 0x18B32 781 bytes

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