Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d06a7a7e538622f…

MALICIOUS

PDF

369.6 KB Created: 2015-08-20 07:27:57 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: ccdc1aef0fcd332aadddf3e5dc903a53 SHA-1: dee3df65d0e9e06e755c42149a92c6ce59b9e70e SHA-256: 2d06a7a7e538622f5622aa3f68e884a274bec230b146abc7e003aacfc061bb00
90 Risk Score

Malware Insights

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

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 strongly flagged this PDF as malicious. The embedded URL is the primary indicator of compromise, suggesting a phishing or malware delivery attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9940

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%BA%D0%BB%D1%8E%D1%87+%D0%BA+%D0%B8%D0%B3%D1%80%D0%B5+%D0%B0%D0%BB%D0%B0%D0%B2%D0%B0%D1%80+%D0%BA%D0%B0%D0%BA+%D0%B4%D0%BE%D1%81%D1%82%D0%B0%D1%82%D1%8C+%D1%81%D0%BE%D1%81%D0%B5%D0%B4%D0%B0+%D0%BA%D0%B0%D0%BD%D0%B8%D0%BA%D1%83%D0%BB%D1%8B+%D0%BE%D0%BB%D0%B8%D0%B3%D0%B0%D1%80%D1%85%D0%B0&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4638/4638888_windows_7_home_basic_oa_cis_and_ge_obraz.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4638/4638872_dzhozef_merfi_magicheskaya_sila_razuma_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4638/4638911_skachat_proshivku_dlya_samsung_galaxy_s3_i9300_kitayskiy.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00057c5a.bin
866000b62da065c470abefa3bff2661299c774cde0c1cf2bcf4d842684f31d22		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57C5A 7972 bytes
font_01_sfnt_off0005937f.bin
4d914a8c48be6deab27cc83b067c62f03b10f79929f81e7383d6e86e2e6c286a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5937F 17012 bytes

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