Malicious PDF — malware analysis report

Static analysis result for SHA-256 1cc4820df6a26ff7…

MALICIOUS

PDF

338.2 KB Created: 2015-08-28 13:01:14 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 6af4e2a52ac981229c0d2acc84444e52 SHA-1: 6944f668af14f9cad35aa82f03ec76e144d92307 SHA-256: 1cc4820df6a26ff71ae10784b2c30159f3db5036f8546e860ae4954c8031853c
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 a known malicious redirector. The embedded URL 'http://botcraftman.ru/?lip&keyword=%D0%B3%D0%BE%D0%BB%D1%8B%D0%B5+%D1%81%D0%BE%D1%81%D0%B5%D0%B4%D0%BA%D0%B8+%D1%84%D0%BE%D1%82%D0%BE&charset=utf-8' is the primary indicator of malicious intent. The document body is heavily obfuscated and does not provide further clues. 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=%D0%B3%D0%BE%D0%BB%D1%8B%D0%B5+%D1%81%D0%BE%D1%81%D0%B5%D0%B4%D0%BA%D0%B8+%D1%84%D0%BE%D1%82%D0%BE&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802545_kak__ustanovit__moduy_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802463_besplatnuye__programmuy__roditelskogo_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4803/4803870_kak__pomenyat__shtorku_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00050b91.bin
25574e5a0275b35946876588b8479791865ec3818f62dfb77a4208d992528adc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x50B91 7552 bytes
font_01_sfnt_off0005218b.bin
b12f84044e2c50239e34192b47a96a2d59b305f2bba5a7efcd37dc0669b732a9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5218B 12384 bytes

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