Malicious PDF — malware analysis report

Static analysis result for SHA-256 91ac29cf41b498d4…

MALICIOUS

PDF

185.4 KB Created: 2015-08-08 09:40:48 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 51f8088457fd34d9e7158aae0aa9b47d SHA-1: 860f783013f9bc258aaab59ffe3a57d49b306ea0 SHA-256: 91ac29cf41b498d404784a47f0d98b0fff84470982fce25b1fae35b27542a121
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 a known malicious redirector. This suggests the document is designed to lure users to a malicious website. The embedded URL http://botcraftman.ru/... is the primary indicator of this malicious redirection. No scripts were extracted, limiting further analysis of the delivery mechanism.

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%84%D1%83%D1%82%D0%B0%D0%B6%D0%B8+%D0%B4%D0%BB%D1%8F+%D1%84%D0%BE%D1%82%D0%BE%D1%88%D0%BE%D0%BF%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383884_pravila_polzovaniya_topograficheskimi_kartami_planami_shemami.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383954_devushki_na_rabochiy_stol_programma.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383792_kak_obnovit_windows_8_korporativnaya_do_windows_81.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024368.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24368 3556 bytes
font_01_sfnt_off000250eb.bin
e5f5c3b9330eed3f63130e8479c6daf7f637522eab01f937ddaecc380d9614fb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x250EB 14280 bytes
font_02_sfnt_off00027dcf.bin
b274d12662d67504218463cb1276ff1ba6d614de725a08e9664f4bf482a8d140		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27DCF 14520 bytes
font_03_sfnt_off0002a89d.bin
7645862e4e81722907de3ef84bc92996b5df6dbeb7a1644803becd3f9f83c5cb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A89D 6656 bytes
font_04_sfnt_off0002bbb5.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BBB5 6084 bytes
font_05_sfnt_off0002cb4a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CB4A 3752 bytes

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