Malicious PDF — malware analysis report

Static analysis result for SHA-256 568a72d246ea1f1f…

MALICIOUS

PDF

187.8 KB Created: 2015-08-08 15:19:22 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: fdc82bc7304a2767482bf0b62e92943e SHA-1: c11321db4461827e1278e5bc54e2ccf868b454b9 SHA-256: 568a72d246ea1f1f7b81c9627b17e5bfa7600e31483ad35dc6db59b8fb814c3b
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. The embedded URL, http://botcraftman.ru/..., is likely part of a phishing or malware distribution chain. No scripts were extracted, but the presence of the malicious link strongly suggests a malicious intent to redirect the user to a harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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+%D0%B2%D0%B8%D0%BD%D0%B4%D0%BE%D0%B2%D1%81+7+%D0%BC%D0%B0%D0%BA%D1%81%D0%B8%D0%BC%D0%B0%D0%BB%D1%8C%D0%BD%D0%B0%D1%8F+64+%D0%B1%D0%B8%D1%82+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+2015+iso&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4387/4387635_skachat_sobeyt_dlya_samp_03z_s_avtoustanovkoy.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385113_tekst_repa_pro_lyubov_parnyu.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4391/4391108_kak_pravilno_zapolnit_putevoy_list_legkovogo_avtomobilya_obrazec.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002add4.bin
c404c9ac3f5063d712402490066437f6bc2bc1ab0ba83d8f1d556728121f3c5f		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2ADD4 7916 bytes
font_00_sfnt_off000248d2.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x248D2 3556 bytes
font_01_sfnt_off00025655.bin
c954e7eb134f11d1bb2bbc6ee2f50687db3e19443bff2db4aea86c429a1806e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25655 14036 bytes
font_02_sfnt_off0002826b.bin
62a52fff102199c97dd83e7b0b60b45caa70a2bbff1561a28de257cf53b49095		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2826B 14688 bytes
font_04_sfnt_off0002c56a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C56A 6084 bytes
font_05_sfnt_off0002d4ff.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D4FF 3752 bytes

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