Malicious PDF — malware analysis report

Static analysis result for SHA-256 64433adabe360bf8…

MALICIOUS

PDF

186.2 KB Created: 2015-07-25 06:33:57 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 623c51dfdc0a422d75756db0e70dd88e SHA-1: 87fa47305223b29212aa826605fa9bca0c088bad SHA-256: 64433adabe360bf8dc9df6f90fa14be6d4c7b9cf41a94747a5d9c29497a92399
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is associated with malicious activity and likely serves as a lure to download unwanted software. No scripts were extracted, but the presence of the malicious link strongly suggests a phishing or social engineering attempt.

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+wicrack-proexe+%D0%BF%D0%BE%D0%BB%D0%BD%D1%83%D1%8E+%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%8E+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4197/4197656_moduy_na_skayrim_prevraschenie_v_drakona.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192083_amerikanskie_gorki_v_3d_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4194/4194636_skachat_igru_geroi_mecha_i_magii_5_poveliteli_orduy_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_off00024214.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24214 3556 bytes
font_01_sfnt_off00024f97.bin
664d7b22d1e3e198ada636150d4426fb1846d0e18cf8bbd6c08c729dd9834899		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24F97 14556 bytes
font_02_sfnt_off00027ce3.bin
1c8be7d327e9fac2ecbfcb078a37b662c7f774c6c39d7a5608f4f9b8479b648e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27CE3 14604 bytes
font_03_sfnt_off0002a809.bin
65205ee452566a9671e96f0cfb22afc31586050dc43d6e714aceac78587c85c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A809 7740 bytes
font_04_sfnt_off0002becd.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BECD 6084 bytes
font_05_sfnt_off0002ce62.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE62 3752 bytes

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