Malicious PDF — malware analysis report

Static analysis result for SHA-256 b94903d2c62a68da…

MALICIOUS

PDF

361.1 KB Created: 2015-08-28 11:55:59 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 72cab508ca5ce1acc56faf5a0fea80c6 SHA-1: 83d5c7be0ace88db043217028eb43412a764da47 SHA-256: b94903d2c62a68da26f6fe3495ff554d86bcc7fbe399c4f5fa7c81e14f40389c
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL 'http://botcraftman.ru/?lip&keyword=%D0%B4%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80%D0%B0+%D0%B4%D0%BB%D1%8F+%D0%BD%D0%B0%D0%B2%D0%B8%D0%B3%D0%B0%D1%82%D0%BE%D1%80%D0%B0+prestigio&charset=utf-8' is the primary indicator of malicious intent. This suggests the document is designed to lure users to a potentially harmful website.

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%B4%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80%D0%B0+%D0%B4%D0%BB%D1%8F+%D0%BD%D0%B0%D0%B2%D0%B8%D0%B3%D0%B0%D1%82%D0%BE%D1%80%D0%B0+prestigio&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802449_skachat__film__mstiteli_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802803_skachat__drayver__microsoft_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802386_skachat__gta_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00055897.bin
8592ff7bb80a8be1d918dbb774a46863ab6db4fb94cf885c61911dbbfbec2b69		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55897 9480 bytes
font_01_sfnt_off0005735b.bin
4bc3d8467d9fac0fb08ff3a1f46269c03c4c62e9f1999d735dfba407d821567c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5735B 16540 bytes

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