Malicious PDF — malware analysis report

Static analysis result for SHA-256 68e0d0543c8917ad…

MALICIOUS

PDF

374.3 KB Created: 2015-08-28 13:04:18 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 07c7b83eba3d2bdb6e8989b5c7d0ee27 SHA-1: 60a3d51840522f4a3765093828b76bd0e6a0ab68 SHA-256: 68e0d0543c8917ade15d51976c6f533d8a7bdda53677f88590a97ef0bdd1e4fd
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded link to a known malicious redirector. The ML classifier also flagged this PDF as malicious. The primary IOC is the malicious URL, which is likely used to deliver a secondary payload or conduct a phishing attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9946

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%8D%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%BE%D0%BD%D0%BD%D1%8B%D0%B5+%D0%BA%D0%BD%D0%B8%D0%B3%D0%B8+%D0%B4%D0%BB%D1%8F+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4+%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+%D0%BD%D0%B0+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC+%D1%8F%D0%B7%D1%8B%D0%BA%D0%B5&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802431_sanpin__315282610__profilaktika_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802670_igrat__v__gta_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802529_gostevoy__dom__s_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00059542.bin
a45ba5ed8fdeb140396ff5939aac7a3dc00929829ced3f99209c770da4e7ef5e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59542 8080 bytes
font_01_sfnt_off0005acd5.bin
f39307f9c36738a24142467dbe6027ce568abfce75af1ad8eca86e5b8df2711f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5ACD5 14004 bytes

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