Malicious PDF — malware analysis report

Static analysis result for SHA-256 45e93465596c5f95…

MALICIOUS

PDF

184.8 KB Created: 2015-07-25 03:24:04 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 98c7bb2a0927e8f65eb3f8d6d2f82ce7 SHA-1: dc89a538583359d68bc3acaf9393249d2c3f467e SHA-256: 45e93465596c5f95826f3a9117517eb03ebff46afaac35a986c777bbc4e277e0
90 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, botcraftman.ru. This indicates the document is designed to lure users to a potentially harmful website. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, and the document body was not parsable.

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+%D1%88%D0%B0%D1%85%D0%BC%D0%B0%D1%82%D1%8B+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191968_foto_detey_malchikov_v_plavkah.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185000_3000_prichesok_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192341_vse_stalo_vokrug_golubuym_i_zelenuym_notuy.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002419d.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2419D 3556 bytes
font_01_sfnt_off00024f20.bin
4b9d706fea1fdd3038f6f12919e439f3f5ba10bcb08b414640614e1cadad5953		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24F20 14420 bytes
font_02_sfnt_off00027c62.bin
b0aa0e81413123b220610ae3fd2d1fe33630cd68c928d28466d78b5683ac8ba9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C62 14588 bytes
font_03_sfnt_off0002a773.bin
471d541830e198b8659fa838995672ee2d1a9660736cfd1cb36498697cbffe41		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A773 6396 bytes
font_04_sfnt_off0002b997.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B997 6084 bytes
font_05_sfnt_off0002c92c.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C92C 3752 bytes

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