Malicious PDF — malware analysis report

Static analysis result for SHA-256 76b786488442c583…

MALICIOUS

PDF

344.2 KB Created: 2015-08-23 11:53:21 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-10-12
MD5: 48e2082e546d9817af057dfdd4fce3de SHA-1: 49326a877dbc261f1cc9c30969217fb4d9db4c28 SHA-256: 76b786488442c5839dce1f1c0a22ddebf331330364e38bc3de5309fcda4b24d2
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains an embedded URL that points to a known malicious redirector. This suggests the document is designed to lure users to a malicious site, likely for further exploitation or credential harvesting. No scripts were extracted, but the presence of a malicious URL is a strong indicator of malicious intent.

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%B0%D0%B2%D1%82%D0%BE%D0%BB%D0%B8%D1%82%D0%B5%D1%80%D0%B0%D1%82%D1%83%D1%80%D0%B0+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%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 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4684/4684521_avtokad_2008_skachat_besplatno_russkaya_versiya_torrent.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4684/4684266_skachat_syempluy_dlya_magix_music_maker_2013_cherez_torrent.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4684/4684458_rusifikator_sex_villa_3d_2.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00051853.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x51853 8344 bytes
SHA-256: 5aaba8a62d19508d7a7fd41fc3b18db0e1c8d535f88a96a00e10eb8460695efe
font_01_sfnt_off0005304e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5304E 16044 bytes
SHA-256: 67f92c5cf4754c2530875a75c6b9395d0cf6b116b13e47af9321067f26f8690f

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