Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1371e13a42931d7…

MALICIOUS

PDF

367.3 KB Created: 2015-08-21 09:22:42 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: d656592184d814eb929b754044e1b665 SHA-1: 70e09bb7a14b4c0f2f7c83c82a605d6befedef25 SHA-256: c1371e13a42931d724af1035e28fd5df6450a94a298f14719ae31efa8ea1b9e9
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector at http://botcraftman.ru/. This indicates the document is likely part of a phishing or malware distribution campaign. No scripts were extracted, and the document body was heavily obfuscated, preventing further analysis of its specific content or intent beyond the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9973

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%A1%D0%B0%D0%B1%D0%B2%D0%B5%D0%B9+%D1%81%D0%B5%D1%80%D1%84+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%81%D0%B0%D0%BC%D1%83%D1%8E+%D0%BF%D0%BE%D1%81%D0%BB%D0%B5%D0%B4%D0%BD%D1%8E%D1%8E+%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%8E&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654782_skachat_serial_otryad_2_sezon_cherez_torrent_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654736_skachat_sverhestestvennoe_5_sezon_torrent_ren_tv.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654734_notuy_dlya_detskogo_hora_skachat_besplatno.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00057809.bin
3a947e942c29767af175c76edb88ecb8c427ffaee4794e21adf8c3b148548a32		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57809 9476 bytes
font_01_sfnt_off00059251.bin
4eb6eb0b84183cbfac565b752f5072d68d5d5a9db46ee64cecabbab849c47184		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59251 13580 bytes

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