Malicious PDF — malware analysis report

Static analysis result for SHA-256 d969af3686bcbee7…

MALICIOUS

PDF

354.3 KB Created: 2015-08-19 14:30:16 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 704b5219917c852566d4c4365f0e31e5 SHA-1: 8cba0a22c9874215d280d16925fd4656f748252d SHA-256: d969af3686bcbee74c184ca7aa12dde6f61c149170bfff6924e82d5699675b15
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to botcraftman.ru. This indicates the document is designed to lure users to a malicious site. The ClamAV detection as Pdf.Dropper.Agent-7620539-0 further supports its malicious nature. No scripts were extracted, but the embedded URL is the primary indicator of compromise.

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-7620539-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7620539-0
  • 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%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BA%D0%B0%D1%80%D1%82%D1%83+%D1%80%D0%BE%D1%81%D1%81%D0%B8%D0%B8+%D0%B4%D0%BB%D1%8F+%D0%BD%D0%B0%D0%B2%D0%B8%D1%82%D0%B5%D0%BB+2015+%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
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626551_gotovuyy_dnevnik_praktiki_po_poliklinicheskoy_terapii_5_kurs.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626918_shrift_kassovuyh_chekov.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626774_skachat_64_bitnuyu_sistemu_na_windows_7_rus_cherez_torrent.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00053910.bin
b440b940e500c37bc1de3c0a779a48053135151650074f5b24db3ff91f1f4282		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53910 9308 bytes
font_01_sfnt_off00055477.bin
fc02d2640e10ee03918e52bbfd0e22d7cb491302cb10c877eff4b2de7bc7494c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55477 17380 bytes

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