Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e85ba6c9b9f9a25…

MALICIOUS

PDF

185.8 KB Created: 2015-07-24 12:06:12 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: b00a905c57a6beec33686f5b1462b579 SHA-1: 5a89125a802ffc9cc877b6eddf190c9deb8e147b SHA-256: 6e85ba6c9b9f9a253767b4ae3b91e2151ea9ecd4bc6e01698a55156758da500a
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware distribution. No scripts were extracted, but the presence of a malicious URL is a strong indicator of malicious intent.

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=%D0%B2%D1%81%D0%B5+%D1%81%D1%82%D0%B0%D0%BB%D0%BE+%D0%B2%D0%BE%D0%BA%D1%80%D1%83%D0%B3+%D0%B3%D0%BE%D0%BB%D1%83%D0%B1%D1%8B%D0%BC+%D0%B8+%D0%B7%D0%B5%D0%BB%D0%B5%D0%BD%D1%8B%D0%BC+%D0%BD%D0%BE%D1%82%D1%8B&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187788_adobe_flash_cs6_skachat_torrent_russkaya_versiya.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187196_svetlana_ermakova_ne_meshayte_emu_vlyubitsya_v_vas_chitat_onlayn.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189867_skachat_detskie_klipuy_iz_multfilmov_besplatno_i_bez_registracii.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_off000242ef.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x242EF 3556 bytes
font_01_sfnt_off00025072.bin
a7cefea1cd3fdcf8a3bb74207a568223d0e40c791a44fe8a24adccf7ba95805a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25072 14980 bytes
font_02_sfnt_off00027eb1.bin
ed79233d174a9095ca7a279db0a15312d4def8e546554b770a0f1fe977ecc440		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27EB1 14680 bytes
font_03_sfnt_off0002a978.bin
43143303cee3c7550dc7225ad9db4b47166feb4f040174069c883df566d8ea70		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A978 6900 bytes
font_04_sfnt_off0002bd6a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD6A 6084 bytes
font_05_sfnt_off0002ccff.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CCFF 3752 bytes

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