Malicious PDF — malware analysis report

Static analysis result for SHA-256 a1bd41e57ac9bff5…

MALICIOUS

PDF

354.6 KB Created: 2015-08-22 05:47:01 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 5ae1dabc81b6631d38796227082c3563 SHA-1: c28d6f84a1d1ca50e8e394fc040b33aae4cbd7bb SHA-256: a1bd41e57ac9bff587375a502a41bbf39ea8e333e016e49676babf5d96558061
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. This suggests the document is designed to lure users to a harmful website. The embedded URL http://botcraftman.ru/... is the primary indicator of this malicious redirection. No scripts were extracted from this sample.

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%81%D1%83%D0%BF%D0%B5%D1%80+%D0%BE%D0%BA%D0%BD%D0%B0+4+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4660/4660473_tipovoy_proekt_azs_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4670/4670132_raspisanie_avtobusov_tovarkovo_kaluga.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4664/4664803_marina_korpan_oksisayz_skachat_knigu.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005494c.bin
2d923a1d64ea777bd65691e8621d56b0d6e33fb2f8fd3a484fefdb7c65531ed5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5494C 8264 bytes
font_01_sfnt_off00056081.bin
69e31de1bdc8b0f376a5a9b4f199a2da48e146613221c6e310421af2b28e4669		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56081 13172 bytes

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