Malicious PDF — malware analysis report

Static analysis result for SHA-256 3fbca24e9af251b5…

MALICIOUS

PDF

372.5 KB Created: 2015-08-23 14:24:54 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-10-02
MD5: eee46dc9767940cd8b4d8918b9fd59db SHA-1: 3c4c2980739b9763f7186c54d9a549e676c61b73 SHA-256: 3fbca24e9af251b5a2c4e6a7c02749e99d22fc7afe80131ec5cb728e5ffce5c4
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9946

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%BB%D0%BB%D0%B5%D0%BD+%D0%BA%D0%B0%D1%80%D1%80+%D0%BB%D0%B5%D0%B3%D0%BA%D0%B8%D0%B9+%D1%81%D0%BF%D0%BE%D1%81%D0%BE%D0%B1+%D0%B1%D1%80%D0%BE%D1%81%D0%B8%D1%82%D1%8C+%D0%BA%D1%83%D1%80%D0%B8%D1%82%D1%8C+%D0%B0%D1%83%D0%B4%D0%B8%D0%BE%D0%BA%D0%BD%D0%B8%D0%B3%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&charset=utf-8 In PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4683/4683760_klyuch_dlya_igruy_ghost_recon_future_soldier.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4685/4685675_skachat__originalnuyy__obraz_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4684/4684312_raspisanie_avtobusov_moskvasmolensk_s_belorusskogo_vokzala.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005869c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5869C 8740 bytes
SHA-256: ef6b0b0f9d4d95bc48c026f256727a98c010dec1294c3622ac79c7ec28d01d84
font_01_sfnt_off0005a013.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A013 16616 bytes
SHA-256: d92694b4966e0a3d73af3a0a31fb1d8cc9323b51adfca90207d5149089873d80

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