Malicious PDF — malware analysis report

Static analysis result for SHA-256 09380ffd74880404…

MALICIOUS

PDF

383.4 KB Created: 2015-08-23 13:28:43 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: fb97535735fd5f1f09e024cb796eba13 SHA-1: c971e240bbae4dcb16d985aef6022363a4af5100 SHA-256: 09380ffd74880404ad3e68b2c7996609d8a6f8578e6e1474245f8afb6687e066
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to known malicious redirector infrastructure, indicating an attempt to lure the user to a harmful site. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, but the presence of a malicious URL is sufficient to classify the attack pattern.

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=%D1%80%D0%B0%D0%B1%D0%BE%D1%87%D0%B0%D1%8F+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B0+%D0%BF%D0%BE+%D0%B0%D0%BD%D0%B3%D0%BB%D0%B8%D0%B9%D1%81%D0%BA%D0%BE%D0%BC%D1%83+%D1%8F%D0%B7%D1%8B%D0%BA%D1%83+7+%D0%BA%D0%BB%D0%B0%D1%81%D1%81+%D0%B0%D1%84%D0%B0%D0%BD%D0%B0%D1%81%D1%8C%D0%B5%D0%B2%D0%B0+%D0%BC%D0%B8%D1%85%D0%B5%D0%B5%D0%B2%D0%B0&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4683/4683580_luntik_7_sezon_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4685/4685494_skachat_vindovs_7_maksimalnaya_64_bit_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4685/4685526_stalker_apokalipsis_nasledstvo_kollekcionera_gid_po_taynikam.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005b915.bin
1496cbb25d28c07b5eb7e794c42a18b8615fb607da227f536748c9bf6787169f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B915 8908 bytes
font_01_sfnt_off0005d2f5.bin
f182104c398444293ffdfc1c17a804d4d061f41066111e26fe646807967b5965		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D2F5 13288 bytes

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