Malicious PDF — malware analysis report

Static analysis result for SHA-256 69bdf28b8af078c7…

MALICIOUS

PDF

345.8 KB Created: 2015-08-21 09:14:00 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 05ddf9a5bd0ea7a7111c0aa269a7b68e SHA-1: 1ce58ef8e035a658e3a5c7c599c926a51b59dea8 SHA-256: 69bdf28b8af078c79f717a7acc6d0df39854b9ae24910ae4781e1d833f74c0cc
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'http://botcraftman.ru/'. This indicates an attempt to lure the user to a malicious site, likely for further exploitation or credential harvesting. The ML classifier also flagged the PDF with high confidence. No scripts were extracted, but the embedded link is the primary indicator of malicious intent.

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=ts4exe+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B4%D0%BB%D1%8F+%D1%81%D0%B8%D0%BC%D1%81+4&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654675_dnevniki_vampira_10_kniga_ohotniki_obretaya_sudbu_skachat.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000524db.bin
23926ed2768e8f26113b1094647e8be35c1a4ccc227118f90706bc2bc8cb3371		 pdf-font-stream PDF embedded font (sfnt) at offset 0x524DB 8524 bytes
font_01_sfnt_off00053dc0.bin
ff5d1d7940ccf09dd30b2024f8eb5c8e9d4f9be3d707a3660025732b2611d119		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53DC0 13500 bytes

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