Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0d858a71a6cdd9e…

MALICIOUS

PDF

384.6 KB Created: 2015-08-20 10:51:12 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 7706abb4d5ce57ca1ddd26974bbaaeb4 SHA-1: 19770a4923ac52ae2de4ec331724f5f4df37e78b SHA-256: e0d858a71a6cdd9ef8dc7da072cf2d5b154e70c0de4e2baf35259b01456f73cc
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to botcraftman.ru. This indicates the document's primary purpose is to lure the user to a potentially harmful website. The ClamAV detection further supports its malicious nature as a dropper. 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-8791562-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8791562-0
  • 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%B8%D0%B3%D1%80%D1%83+%D0%BC%D0%BE%D1%80%D1%81%D0%BA%D0%BE%D0%B9+%D0%B1%D0%BE%D0%B9+%D0%BD%D0%B0+%D0%BA%D0%BE%D0%BC%D0%BF%D1%8C%D1%8E%D1%82%D0%B5%D1%80+%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
    • http://img1.liveinternet.ru/images/attach/c/6//4639/4639387_skachat_igru_dps_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4639/4639669_pervuye_90_dney_maykl_uotkins_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4641/4641948_mirrors_edge_2_skachat_torrent_na_russkom.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005b805.bin
86c4c0e1c6e0a7ce41870bc9e6ba6482b02ec92af8679aec8e6a2808e25ca63b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B805 10224 bytes
font_01_sfnt_off0005d52e.bin
f628124957a081f280afb10ce4f7c789f59387aad48b37286150b76793ba6b8c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D52E 14612 bytes

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