Malicious PDF — malware analysis report

Static analysis result for SHA-256 76225da4a8a36b0f…

MALICIOUS

PDF

185.7 KB Created: 2015-08-08 13:19:49 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: fda0b935081fa2d3d26def56c365b09d SHA-1: 438c1d4e69684543e4330a1b6d152c85323bbf39 SHA-256: 76225da4a8a36b0f59f7cad5d28b63a45d4ec7d85d51f7ad92844d2ca7243347
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics as malicious, specifically for containing a link to a known malicious redirector. The embedded URL, http://botcraftman.ru/..., is highly suspicious and likely serves as a lure to a phishing or malware distribution site. No scripts were extracted, but the presence of a malicious link strongly suggests a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%9F%D1%80%D0%B8%D0%BA%D0%B0%D0%B7+%D0%BE+%D0%B7%D0%B0%D0%BA%D1%80%D0%B5%D0%BF%D0%BB%D0%B5%D0%BD%D0%B8%D0%B8+%D1%80%D0%B0%D0%B1%D0%BE%D1%82%D0%BD%D0%B8%D0%BA%D0%B0+%D0%B7%D0%B0+%D1%80%D0%B0%D0%B1%D0%BE%D1%87%D0%B8%D0%BC+%D0%BC%D0%B5%D1%81%D1%82%D0%BE%D0%BC&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385878_evaphone_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4392/4392733_mihaylova_matematika_ot_3_do_7_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386463_sia_skachat_albom_torrent.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000244ea.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x244EA 3556 bytes
font_01_sfnt_off0002526d.bin
840702df51fd471bfaca70a1024b8cbb1245224c69581aa396f747966ac10d10		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2526D 14496 bytes
font_02_sfnt_off00027f82.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F82 14468 bytes
font_03_sfnt_off0002aa34.bin
3b8c32231c09a949c32aa963f6ddabee99b78e1c31d556d18a5d28f242d7c000		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA34 6576 bytes
font_04_sfnt_off0002bcf6.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BCF6 6084 bytes
font_05_sfnt_off0002cc8b.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC8B 3752 bytes

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