Malicious PDF — malware analysis report

Static analysis result for SHA-256 c97baad5d08a0c87…

MALICIOUS

PDF

187.2 KB Created: 2015-07-23 20:19:33 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 7c4ab0fee9a374e2d1932cd13db66386 SHA-1: 2b4b631ab83fad175233605711117497bb92450b SHA-256: c97baad5d08a0c87949b9f15cf7e0c708ea04234988c9f416fbfa3a204747f9f
60 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. The URL `http://botcraftman.ru/?lip&keyword=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D1%83+%D0%B4%D0%BB%D1%8F+%D0%BD%D0%B0%D0%BA%D1%80%D1%83%D1%82%D0%BA%D0%B8+%D0%BB%D0%B0%D0%B9%D0%BA%D0%BE%D0%B2+%D0%B2%D0%BA%D0%BE%D0%BD%D1%82%D0%B0%D0%BA%D1%82%D0%B5&charset=utf-8` is flagged as malicious. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

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%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D1%83+%D0%B4%D0%BB%D1%8F+%D0%BD%D0%B0%D0%BA%D1%80%D1%83%D1%82%D0%BA%D0%B8+%D0%BB%D0%B0%D0%B9%D0%BA%D0%BE%D0%B2+%D0%B2%D0%BA%D0%BE%D0%BD%D1%82%D0%B0%D0%BA%D1%82%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184365_mortal_kombat_vs_dc_universe_pc_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183198_landshaftnuyy_dizayn_proekt.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184412_i_exam_ru_testirovanie_otvetuy.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002484d.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2484D 3556 bytes
font_01_sfnt_off000255d0.bin
b95c81254f96101504f824f01d49f6aee8843434a7a6a13fc6f3a959cfac84a5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x255D0 15052 bytes
font_02_sfnt_off00028442.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28442 14468 bytes
font_03_sfnt_off0002aef4.bin
16afb951cbd406b9802e9aaacd05a373c87632d910fa9c8c7f219425d569cebd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AEF4 6872 bytes
font_04_sfnt_off0002c2cd.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C2CD 6084 bytes
font_05_sfnt_off0002d262.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D262 3752 bytes

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