Malicious PDF — malware analysis report

Static analysis result for SHA-256 4aed01224b36d777…

MALICIOUS

PDF

355.8 KB Created: 2015-08-27 13:51:23 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: f4010a772bad54cfd252a217fa80ddf3 SHA-1: d7ff5e04f78a379ffcc17a035a80a9e2b13c017e SHA-256: 4aed01224b36d77754c8ac58e228a2bf099c23ec232d75351c42e046b9e4d39b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains an embedded link that redirects to a known malicious domain, indicating a phishing or malware distribution attempt. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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=%D0%B0%D1%80%D0%B3%D0%B5%D0%BD%D1%82%D0%B8%D0%BD%D0%B0+%D1%87%D0%B5%D1%80%D0%BD%D0%B8%D0%BB%D1%8C%D0%BD%D0%B8%D1%86%D0%B0+%D1%82%D0%B5%D0%BA%D1%81%D1%82&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4773/4773720_goluye__v__realiti_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4772/4772128_gta__4__skachat_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4772/4772229_skachat__gta__konoha_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00054d0d.bin
35ae1b3e0b273f4daff2caf193cf66c7201cf2f3ef49263f87a4a20fc4734694		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54D0D 8428 bytes
font_01_sfnt_off000564ec.bin
b0d392d861fc5ff3a1a0d949e33622de99f4f3dc1b1cce11ad3b1492543c8826		 pdf-font-stream PDF embedded font (sfnt) at offset 0x564EC 13280 bytes

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