Malicious PDF — malware analysis report

Static analysis result for SHA-256 d4340e42aa0925f7…

MALICIOUS

PDF

370.1 KB Created: 2015-08-27 10:34:01 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 41acac3140881e9f13e814405d39c2c7 SHA-1: 5cc12396f675c70d292f92cf13e24dabe837dcbb SHA-256: d4340e42aa0925f707b618f48c0584cfcc34f3a271442ebeb71fd5261b280a77
60 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL 'http://botcraftman.ru/?lip&keyword=%D0%BF%D0%BE+%D0%B2%D1%8B%D1%81%D1%88%D0%B5%D0%B9+%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B5+%D1%83%D1%80%D0%BE%D0%BA&charset=utf-8' is the primary indicator of malicious intent. No scripts were extracted, and the document body was unreadable, limiting further analysis of the delivery mechanism.

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%BF%D0%BE+%D0%B2%D1%8B%D1%81%D1%88%D0%B5%D0%B9+%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B5+%D1%83%D1%80%D0%BE%D0%BA&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4772/4772791_seks__moduy_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4772/4772073_windows__7__nachalnaya_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4772/4772557_skachat__drayvera__ati_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005814a.bin
66a8ffd0aca8d741926ddddc8530b309532599a10b257824e39b3fa7fc2831a5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5814A 8284 bytes
font_01_sfnt_off00059913.bin
86bf36c9cee9d90afdd7ab2ab41eef3d4ed1fc3d6c0059fbcfb3184191f856a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59913 15596 bytes

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