Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ccc37f598480701…

MALICIOUS

PDF

13.2 KB Authoring application: Python PDF Library 055 http072057057pybrary056net057pyPdf057
MD5: a644380d1048e2c6e522bd38e727ebfb SHA-1: 4f9cc86a8b842f82878a5b04b41651a31ece1b55 SHA-256: 0ccc37f598480701dd42ec290f13aa0da2af876df7e0c6d7464ec08d915c3285
156 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.007 JavaScript

The PDF document contains embedded JavaScript and a RichMedia object which has been identified as an exploit for CVE-2010-1297 targeting Adobe Flash Player. This exploit likely downloads and executes a second-stage payload, as indicated by the embedded SWF file named 'sploit.swf'. The ML classifier strongly indicates maliciousness.

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.
  • 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 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
  • 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
70e6dbce3b11aaece2d38f1d315dee7736c7ab9138a74cdadc8126393c857018		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0x107F 781 bytes

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