Malicious PDF — malware analysis report

Static analysis result for SHA-256 7cee9adf1c8bfc6d…

MALICIOUS

PDF

185.4 KB Created: 2015-08-08 14:13:04 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 59464ed5f21e71b57faa147fd48a2046 SHA-1: 451ca44e90630040769fc4a496d1e86d223d53ab SHA-256: 7cee9adf1c8bfc6db8f5d33592ef25c31181467f1241ac9776108b99750b5cac
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is likely part of a phishing or malware distribution chain. No scripts were extracted, but the presence of a malicious link strongly suggests an intent to redirect the user to a harmful destination.

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%A8%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD+%D1%84%D0%B8%D1%80%D0%BC%D0%B5%D0%BD%D0%BD%D1%8B%D1%85+%D0%B1%D0%BB%D0%B0%D0%BD%D0%BA%D0%BE%D0%B2&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4388/4388216_igra_prestolov_chitat_onlayn_besplatno_knigi_po_poryadku.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385898_call_of_juarez_gunslinger_skachat_torrent_s_russkoy_ozvuchkoy.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4387/4387324_otchet_o_preddiplomnoy_praktike_avtomehanika.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_off00024305.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24305 3556 bytes
font_01_sfnt_off00025088.bin
ed21cc9702161d8a62401970ff0cefeb941bc2868ffe40a6fc7eb549444f3300		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25088 14456 bytes
font_02_sfnt_off00027d7d.bin
df9a9d308f849c995a190d4de8014e0c84d6bef1db5af3572613a78c2deb58c1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27D7D 14588 bytes
font_03_sfnt_off0002a89a.bin
980a822810fcb460c4873f6c6c1a9fb4188ddc4409cd85d6d4e62186b83901a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A89A 6684 bytes
font_04_sfnt_off0002bbb7.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BBB7 6084 bytes
font_05_sfnt_off0002cb4c.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CB4C 3752 bytes

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