Malicious PDF — malware analysis report

Static analysis result for SHA-256 1defdd548a0914c8…

MALICIOUS

PDF

187.1 KB Created: 2015-07-27 09:46:43 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 6a8526a90cae7fa433571df3e036ef3e SHA-1: aeab8cf419993d39d9e0af52c05303a4022bfd7c SHA-256: 1defdd548a0914c88ba1078d1bd3b9a127ec1912db1ddee6c0a00542d32f4835
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. The file was generated by wkhtmltopdf, a tool often used to create PDFs from web content, suggesting it may have been part of a web-based attack. No scripts were extracted, but the presence of the malicious URL is a strong indicator of malicious intent.

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%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D1%84%D0%B8%D0%BB%D1%8C%D0%BC%D1%8B+%D0%B2+%D1%85%D0%BE%D1%80%D0%BE%D1%88%D0%B5%D0%BC+%D0%BA%D0%B0%D1%87%D0%B5%D1%81%D1%82%D0%B2%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4224/4224136_yemulyator_xbox_360_dlya_pc_na_russkom_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4222/4222825_spravochnik_koduy_dohodov_i_vuychetov_po_ndfl_v_2015_godu.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4215/4215093_sims_monstr_hay_kak_skachat_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024732.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24732 3556 bytes
font_01_sfnt_off000254b5.bin
b19aff53e2cef9dad4210b2d8687857ce84d2ac038d94056691a012a90aec34e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x254B5 15044 bytes
font_02_sfnt_off00028394.bin
29ecf83c6332615f26ab802bd9d6d2024824707195606975c2a79e9f380f7f7b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28394 14588 bytes
font_03_sfnt_off0002aea4.bin
41c86b78e4bc22c95331ae97e85cd47dcf4e0d7da8e84c1bfb5a20485e285fc0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AEA4 6916 bytes
font_04_sfnt_off0002c2a8.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C2A8 6084 bytes
font_05_sfnt_off0002d23d.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D23D 3752 bytes

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