Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b85286f786f747a…

MALICIOUS

PDF

185.8 KB Created: 2015-08-08 09:58:16 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 7ad65bb6edc67cd40fd382b18f2bd7db SHA-1: 001231010be5e8387b0cf9a40bc05ff72e2c21cf SHA-256: 1b85286f786f747a596f509f4c83682e41c1b37b821a7384b92e8792ce5d02e2
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a redirector link to known malicious infrastructure. The embedded URL `http://botcraftman.ru/...` is the primary indicator of malicious intent. While no scripts were extracted, the PDF structure and the malicious URL suggest a delivery mechanism for further malicious content.

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%83%D1%80%D0%B0%D0%BB%D1%8C%D1%81%D0%BA%D0%B8%D0%B5+%D0%BF%D0%B5%D0%BB%D1%8C%D0%BC%D0%B5%D0%BD%D0%B8+%D0%B0%D0%B3%D0%B5%D0%BD%D1%82%D1%8B+07+%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&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383914_prometey_skachat_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384500_programma_dlya_vzloma_world_poker.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384133_windows_7_64_skachat_besplatno_rus_2015_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000244ba.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x244BA 3556 bytes
font_01_sfnt_off0002523d.bin
266c3f54481e31d182f0afc28827a94be0b5330843204566bb14cb5c21632b61		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2523D 14412 bytes
font_02_sfnt_off00027f78.bin
40411ddd76ad835bd34ae6bb03c2bbef64c7e125fd1f5d378eb1b42250447a1a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F78 14512 bytes
font_03_sfnt_off0002aa5d.bin
1a2057c00d888d2654469b99ac47ef314f2ae4c892965abdada048590368273a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA5D 6652 bytes
font_04_sfnt_off0002bd60.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD60 6084 bytes
font_05_sfnt_off0002ccf5.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CCF5 3752 bytes

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