Malicious PDF — malware analysis report

Static analysis result for SHA-256 cee40a5c2acc0d72…

MALICIOUS

PDF

363.3 KB Created: 2015-08-21 09:27:08 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 20f1eb29fd225dd518f9ba3bdfa766ff SHA-1: 04e364906d3997539db50ad4b0112d5b68a4c0bd SHA-256: cee40a5c2acc0d7206b604903f26e338837c416b153aedcd7513c2d689a2e3d7
92 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, botcraftman.ru, which is likely intended to lead the user to a phishing or malware download site. The ML classifier also flagged this PDF with high confidence. The document body is heavily obfuscated and does not provide clear textual lures, but the presence of the malicious URL strongly suggests a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9979

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%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B8%D0%B3%D1%80%D1%83+%D0%B2%D0%BE%D1%80%D0%BC%D0%B8%D0%BA%D1%81+3d+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654809_avtobus_moskvabelgorod_s_kurskogo_vokzala_raspisanie.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654860_koduy_na_stalker_apokalipsis.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654772_rsplayer_v14_skachat_besplatno.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000566a7.bin
8ab66b2a9683538d44bfca729d8ba03c2ddd407f1cac17dea09e613e7956afaf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x566A7 8840 bytes
font_01_sfnt_off00057f73.bin
4df62102d2ec0f700a1a144f52df6c49ae7f241bbe2dfd7b3f194835faa7c33a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57F73 15240 bytes

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