Malicious PDF — malware analysis report

Static analysis result for SHA-256 faa2fea562872d9b…

MALICIOUS

PDF

361.1 KB Created: 2015-08-25 22:15:58 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 3239253f8a65808516a28f65865b7171 SHA-1: 4519f1cbb3a1699a861dd0d7e7ae5df64b2a6df9 SHA-256: faa2fea562872d9b24e2e496d1921f4fd34e1733213e2af3f763d9e2460bdc74
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a link to a known malicious redirector. The ML classifier also flagged this PDF with high confidence. The embedded URL is the primary indicator of malicious intent, suggesting the document is designed to lure users to a compromised or malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9979

Heuristics 2

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://botcraftman.ru/?lip&keyword=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%BF%D1%80%D0%BE%D0%B5%D0%BA%D1%82%D1%8B+%D0%BE%D0%B4%D0%BD%D0%BE%D1%8D%D1%82%D0%B0%D0%B6%D0%BD%D1%8B%D1%85+%D0%B4%D0%BE%D0%BC%D0%BE%D0%B2&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740583_skachat__klipuy_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740661_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740744_skachat__albom__placebo_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00055b89.bin
c8d826c093598a6ce1850339fd6ae6b23dc36b8756565cffda8dd1331b59f5af		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55B89 9800 bytes
font_01_sfnt_off0005774a.bin
436f600ad51a31fc01d1f216a503d6ae0928ad17c946c20bc494e48641822a94		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5774A 15144 bytes

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