Malicious PDF — malware analysis report

Static analysis result for SHA-256 626ed4507d01ebcb…

MALICIOUS

PDF

367.5 KB Created: 2015-08-20 07:19:49 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 4f0ab178d4839775160ed2f85d702480 SHA-1: 22f4481e099e52483329c04a8f29b80bb0b79d5a SHA-256: 626ed4507d01ebcb70658f86c1f467ebcab37276a0ba6537c98df000bda0979d
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/, is identified as a malicious redirector. This suggests the document's primary purpose is to lure users to a potentially harmful website, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9975

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+%D1%81%D1%83%D0%BF%D0%B5%D1%80%D1%81%D0%B5%D0%BC%D0%B5%D0%B9%D0%BA%D0%B0+1+%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//4638/4638803_kartuy_dlya_igo_primo_2014_windows_ce_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4638/4638831_koduy_na_rasteniya_protiv_zombi_na_monetuy_po_50000.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4638/4638793_rezultatuy_egye_po_russkomu_yazuyku_2015_god.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00057639.bin
0b36e7a7cbbee70a0923a310bc489f5793dbcbb59248ef4424a485fce3613e42		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57639 8356 bytes
font_01_sfnt_off00058e52.bin
6428ceddfabb896ca6d207bffd4f6543a113c5271374114d312dbe0714179b97		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58E52 15732 bytes

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