Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e071ee8f0c51cfa…

MALICIOUS

PDF

346.5 KB Created: 2015-08-26 10:18:14 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 129120c6626341e3bbe027bf95a272a2 SHA-1: 03e235e46a788d62bfe329a2c1b9b1833949149f SHA-256: 2e071ee8f0c51cfaf91d4b5a9039957fccdc48e08da4b070c39f60956d156482
90 Risk Score

Malware Insights

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

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The embedded URL points to botcraftman.ru, which is classified as a malicious redirector. This suggests the document is designed to lure users to a harmful website.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%B2%D1%8B%D1%85%D0%BE%D0%B4%D0%B8%D0%BB+%D0%BD%D0%B0+%D0%BF%D0%BE%D0%BB%D1%8F+%D0%BC%D0%BE%D0%BB%D0%BE%D0%B4%D0%BE%D0%B9+%D0%B0%D0%B3%D1%80%D0%BE%D0%BD%D0%BE%D0%BC+%D1%82%D0%B5%D0%BA%D1%81%D1%82+%D0%BF%D0%B5%D1%81%D0%BD%D0%B8&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752369_skachat__drayver__besprovodnoy_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751737_kak__povesit__lianu_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752172_skachat__chituy__dlya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005285d.bin
073bbfb11cb1095dc2f137901be15c5ccc2b9cee7d5666c95ef9f7203c8f3c8b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5285D 8484 bytes
font_01_sfnt_off000540ba.bin
d619845793550d3b348f1d89382df162b5b2d7cf417f33df7ad3d39763dd2369		 pdf-font-stream PDF embedded font (sfnt) at offset 0x540BA 13044 bytes

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