Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e01abea79b8e86c…

MALICIOUS

PDF

356.1 KB Created: 2015-08-24 03:34:08 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 73e43e3b0913df74200ddd4721afddbc SHA-1: 5dd6975cd4585b08007a68281d82102653eb7e66 SHA-256: 3e01abea79b8e86c0e1af3050096e8b8c4ef76d9b7d987d06bd1524f686c9456
60 Risk Score

Malware Insights

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

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%82%D0%B0%D0%B1%D0%BB%D0%B8%D1%86%D0%B0+%D1%83%D0%BC%D0%BD%D0%BE%D0%B6%D0%B5%D0%BD%D0%B8%D1%8F+%D1%82%D1%80%D0%B5%D0%BD%D0%B0%D0%B6%D0%B5%D1%80&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%82%D0%B0%D0%B1%D0%BB%D0%B8%D1%86%D0%B0+%D1%83%D0%BC%D0%BD%D0%BE%D0%B6%D0%B5%D0%BD%D0%B8%D1%8F+%D1%82%D1%80%D0%B5%D0%BD%D0%B0%D0%B6%D0%B5%D1%80&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4698/4698789_skachat__programmu__dlya_.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4698/4698282_skachat__besplatno__fl_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4697/4697367_cvetnaya__markirovka_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00054626.bin
94ff575bff3758e303a597771bd493a38f155b9ac0d88a625456c29cd4c5b835		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54626 7972 bytes
font_01_sfnt_off00055d3b.bin
be7a4ce1f1906276fda9edc4340cc8d5787f437880ed3a3b71dcef607116cefe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55D3B 16848 bytes

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