Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c6a67d9f2011b54…

MALICIOUS

PDF

184.9 KB Created: 2015-07-24 12:08:18 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 2ee9cafe71a62be14b67ad1e3fa3ed17 SHA-1: 89420aa9953ea623836473a02e6930e9c8b04c50 SHA-256: 0c6a67d9f2011b54dc372d58c8b80083a3b1dfe0c9486b515404dfd57871f059
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. The ML classifier also flagged this PDF with high confidence. While no scripts were directly extracted, the presence of embedded URLs and the heuristic firings strongly suggest a phishing or redirection attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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%88%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD%D1%8B+%D0%B4%D0%BB%D1%8F+%D0%BF%D1%80%D0%B5%D0%B7%D0%B5%D0%BD%D1%82%D0%B0%D1%86%D0%B8%D0%B9+%D0%B2+%D0%B4%D0%BE%D1%83&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191447_sertifikat_sootvetstviya_na_dosku_obreznuyu_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185251_spin_tires_2014_versiya_1001_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192319_smotret_indiyskiy_film_ya_tvoy_geroy_2015_na_russkom_yazuyke.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000240b3.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x240B3 3556 bytes
font_01_sfnt_off00024e36.bin
fa4246a795e991a1c872aaf701fd9aa5591d1f137637bfd130f0d5cb0b361fb9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E36 14312 bytes
font_02_sfnt_off00027b1b.bin
a20ef4c3db2d6f25387849681f2ec3c5b7f73c2c58e06f1e72108716df46be65		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27B1B 14520 bytes
font_03_sfnt_off0002a5f5.bin
e6c17313a8495d6bd31dc55e017ea8ed3ed8b61c131b3af06ac5de5df2a3377d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A5F5 6876 bytes
font_04_sfnt_off0002b9aa.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B9AA 6084 bytes
font_05_sfnt_off0002c93f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C93F 3752 bytes

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