Malicious PDF — malware analysis report

Static analysis result for SHA-256 c906b57a71aae2e1…

MALICIOUS

PDF

186.6 KB Created: 2015-08-05 18:18:35 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 6e669872b0419582b5d9dfa66d8c9f94 SHA-1: e15544141def1b9dea13674b9479aeec40fd8e0c SHA-256: c906b57a71aae2e1dd88a8adbcf6d6351145180f31ffa922167227f56e1507bb
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 link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is likely part of a phishing or malware distribution chain. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact payload or lure. The file is classified as malicious due to the presence of this malicious link.

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%BF%D0%BE%D0%BC%D0%BD%D0%B8+%D0%BC%D0%B5%D0%BD%D1%8F+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%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/6//4306/4306862_nnn10.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305323_rabochaya_programma_po_matematike_1_klass_fgos_shkola_rossii.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4306/4306461_krovostok_reka_krovi_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000246ec.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x246EC 3556 bytes
font_01_sfnt_off0002546f.bin
ac77c85cf714e156f364764b4dff7b0184948930f18366f43053e598d74af199		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2546F 14224 bytes
font_02_sfnt_off00028169.bin
29ecf83c6332615f26ab802bd9d6d2024824707195606975c2a79e9f380f7f7b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28169 14588 bytes
font_03_sfnt_off0002ac79.bin
8f3df8bd283f01a5d6e873d4224b253420205bb036264b80e049e58b05cd3df1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AC79 6920 bytes
font_04_sfnt_off0002c06f.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C06F 6084 bytes
font_05_sfnt_off0002d004.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D004 3752 bytes

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