Malicious PDF — malware analysis report

Static analysis result for SHA-256 da9526de425875ea…

MALICIOUS

PDF

184.7 KB Created: 2015-08-08 11:33:53 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 3cd8ddded718e06f5117e7c134937ca9 SHA-1: 59a0815c6d0a97af9733703f700216449dc4e6bc SHA-256: da9526de425875eaff440ed9770a41276df5956eced521bb5022629391f21245
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 used to direct users to a malicious website. No scripts were extracted from this sample, and the document body was not sufficiently readable to infer further intent.

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%B4%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80+%D0%BD%D0%B0+%D0%BA%D1%8D%D0%BD%D0%BE%D0%BD+%D0%BC%D0%BF+250&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383753_ppr_na_zemlyanuye_rabotuy_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384370_igruy_igruy_delat_ukol_maluysham_v_popu.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386844_pesnya_yesmeralda_tekst.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023f18.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F18 3556 bytes
font_01_sfnt_off00024c9b.bin
f16b760c7c23b5088826c28692f2efe07b59c06d1691709bd6096891860fad62		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C9B 14412 bytes
font_02_sfnt_off000279f1.bin
453195daa18ac19efcf0fc2c0d36f992ab5b373eb56e412f5b8c5fbd4c0156d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x279F1 14640 bytes
font_03_sfnt_off0002a52b.bin
1fc8d330f8a020a3eba1510021cfec39d4f8eb8c0978f4c09f6902f044327904		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A52B 6892 bytes
font_04_sfnt_off0002b931.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B931 6084 bytes
font_05_sfnt_off0002c8c6.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C8C6 3752 bytes

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