Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7a9ed845814d4d7…

MALICIOUS

PDF

13.2 KB Authoring application: Python PDF Library 055 http072057057pybrary056net057pyPdf057
MD5: c1a93466bfb6839a15138a8b6859332b SHA-1: 1e59d823d4c123168ed6acccda3ac9b226c1cf20 SHA-256: c7a9ed845814d4d7a2f0e0722c478a3e76fa40182e48279b9bc27206778426c1
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF contains embedded JavaScript and RichMedia (Flash) content, indicating an attempt to exploit vulnerabilities. The embedded file 'sploit.swf' is highly suspicious and likely contains the exploit code. The benign URL for adobe.com does not detract from the malicious nature of the embedded exploit. The lack of readable document body text means the primary indicators are the embedded exploit content and associated heuristics.

Heuristics 5

  • 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