Malicious PDF — malware analysis report

Static analysis result for SHA-256 8974344580f33779…

MALICIOUS

PDF

184.6 KB Created: 2015-07-25 19:23:59 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 9ed3ba041d8f83b196a9eb4a11b70120 SHA-1: f8d02e35127d43191215d6f4cee4d80e0c15970d SHA-256: 8974344580f3377953ce5af6b067c304fc23cf2620448cf295a1ea0c5c107df9
92 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector infrastructure. The ML classifier also flagged this PDF with high confidence. The embedded URL `http://botcraftman.ru/...` is the primary indicator of malicious intent, likely serving as a lure for phishing or malware delivery. No scripts were extracted from this sample.

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%87%D0%B8%D1%82+%D0%BA%D0%BE%D0%B4%D1%8B+%D0%BD%D0%B0+%D0%B3%D1%82%D0%B0+%D1%81%D0%B0%D0%BD%D0%B0%D0%BD%D0%B4%D1%80%D0%B5%D1%81+%D0%BD%D0%B0+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%B8%D0%B5+%D0%BC%D0%B0%D1%88%D0%B8%D0%BD%D1%8B&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4207/4207707_igrat_onlayn_besplatno_v_pole_chudes_na_russkom_yazuyke.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4203/4203423_cat_mario_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186786_smayliki_vkontakte_koduy_tablica.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_off000241c2.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x241C2 3556 bytes
font_01_sfnt_off00024f45.bin
0ecef76f4541258c029cd733a1e80e21bafb40fd46c280aed88f11d38e0148f6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24F45 14080 bytes
font_02_sfnt_off00027aec.bin
c6fbcf0f65865bf4920ccb3b3abf8643984bfa45325793ab4650e38da60ad498		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27AEC 14636 bytes
font_03_sfnt_off0002a61a.bin
62699b6c44de611e25b84307cdee9494197beafad0f8d6fae716ab50c4bbff9e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A61A 6476 bytes
font_04_sfnt_off0002b890.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B890 6084 bytes
font_05_sfnt_off0002c825.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C825 3752 bytes

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