Malicious PDF — malware analysis report

Static analysis result for SHA-256 d79edf5ad528786d…

MALICIOUS

PDF

356.7 KB Created: 2015-08-28 11:40:11 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 8237ee29163432e3c782b46b10aece8f SHA-1: 9373f0e72ded4cea73da77208fe80757389c47ed SHA-256: d79edf5ad528786de7c76a03aadbec4806e86d61f7c29504ba42f77c1ff0f507
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, botcraftman.ru. This heuristic indicates the document is designed to lure users to a potentially harmful website. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact lure. The file was generated by wkhtmltopdf, a tool often used to create PDFs from web content, suggesting it may have been generated dynamically to serve malicious links.

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%BE%D0%B1%D0%BE%D0%B8+%D0%B4%D0%B5%D0%B2%D1%83%D1%88%D0%BA%D0%B8+%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/7//4802/4802506_skachat__fotoshop__na_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802446_skachat__drayvera__dlya_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802431_sanpin__315282610__profilaktika_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000550df.bin
5ca0317eefcb4aa2fdee0194984c5b66bc3ba7072a1200e79deec038e95f1d1b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x550DF 7632 bytes
font_01_sfnt_off00056722.bin
37d2834ce2cb1fffa50c18d9b7d67393c44b7df6b4163dd23e19aa13b74124ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56722 14348 bytes

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