Malicious PDF — malware analysis report

Static analysis result for SHA-256 458ea8272b2dbcdc…

MALICIOUS

PDF

184.7 KB Created: 2015-07-25 06:34:34 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 945d577614cd824f067a881b74c5b870 SHA-1: 293eaeeeafffe04cb4a5d74c0f91a11019a0f9c5 SHA-256: 458ea8272b2dbcdc6ad4526ac8dae35a550eb199525b888837397e60adb8fee6
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 intent. 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=%D0%BA%D0%BE%D0%B4+%D0%B0%D0%BA%D1%82%D0%B8%D0%B2%D0%B0%D1%86%D0%B8%D0%B8+%D0%B2%D0%B8%D0%BD%D0%B4%D0%BE%D0%B2%D1%81+7+%D1%81%D0%B1%D0%BE%D1%80%D0%BA%D0%B0+7601&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4200/4200225_avatariya_mir_gde_sbuyvayutsya_mechtuy_igrat_v_yandekse.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184613_zaliv_deneg_na_kartu_bez_predoplatuy.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192294_skachat_rabochiy_pleylist_iptv_m3u.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023f5c.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F5C 3556 bytes
font_01_sfnt_off00024cdf.bin
b2570f5caea7d0789b2389b3a1ea45bca9856eab4e1479747cc56e17faa17960		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24CDF 14612 bytes
font_02_sfnt_off00027a93.bin
2719afae421f14325e3f87cd4796fa5a18603c918e1d134714cd6efb2cad46ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A93 14512 bytes
font_03_sfnt_off0002a576.bin
bd39071bf3c247ae3963483f09100584dca3764bfd57ed34073ca6cb2a502535		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A576 6768 bytes
font_04_sfnt_off0002b8df.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B8DF 6084 bytes
font_05_sfnt_off0002c874.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C874 3752 bytes

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