Malicious PDF — malware analysis report

Static analysis result for SHA-256 1aa9ad1b5bf5fdad…

MALICIOUS

PDF

339.0 KB Created: 2015-08-25 22:23:17 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 4ba7b3969aec67b9c05a879c7a72e3b6 SHA-1: 33a41705b333a0bfb68f1aa0ecf2d1e8ea1f95ae SHA-256: 1aa9ad1b5bf5fdade2c979cac987e51a157b1c9e9103e91800a6efe26e2af699
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=%D1%88%D1%80%D0%B8%D1%84%D1%82+kraft+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&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=%D1%88%D1%80%D0%B8%D1%84%D1%82+kraft+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740662_fiksiki__skachat__torrent_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740789_papka__po__samoobrazovaniyu_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740726_video__drayver__dlya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000505c6.bin
6213b4cc5505da24b02e3a1a94ff4412ac9af26d1a903dea43217c559fdd9255		 pdf-font-stream PDF embedded font (sfnt) at offset 0x505C6 8460 bytes
font_01_sfnt_off00051e18.bin
2c6c7857550083f1d5a2c680b11083544016e3236d1dfdaec8257e6fe8f18344		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51E18 14652 bytes

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