Malicious PDF — malware analysis report

Static analysis result for SHA-256 1297f3283c16d116…

MALICIOUS

PDF

186.4 KB Created: 2015-07-24 04:58:20 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c14bf4cfabd53d108327648bbb16342f SHA-1: 5a48546f0be8f812d40e5b9109fd8454d54a69e6 SHA-256: 1297f3283c16d1169bc1acd748e291ba6c0aa46889e2e9abe25566d069c464fb
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 site, likely for further exploitation or credential harvesting. No scripts were extracted, but the embedded link is the primary 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=%D1%8F%D0%BD%D0%B4%D0%B5%D0%BA%D1%81+%D0%BD%D0%B0%D0%B2%D0%B8%D0%B3%D0%B0%D1%82%D0%BE%D1%80+%D0%B4%D0%BB%D1%8F+windows+ce+60+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185134_bozhestvennaya_komediya_obrazcova_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185613_klinicheskaya_hirurgiya_nacionalnoe_rukovodstvo_tom_3_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184584_shema_kubik_rubika_3h3.pdf
    • http://www.microsoft.com/typography/fonts/You
    • http://www.microsoft.com/typography/fonts/

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a937.bin
251d743a7426e1ccbde8e3bed6cf93ae4ac91795dd0f88b349c842aac4e49f37		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A937 7696 bytes
font_00_sfnt_off000242d0.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x242D0 3556 bytes
font_01_sfnt_off00025053.bin
05b23ba01abeb33f548a2da7aadc240b01e8f7aac7cbd5ca2ea2952bd7e5254f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25053 14540 bytes
font_02_sfnt_off00027dda.bin
83ef82c3643c6c0df41d2528a1b2c3d2d7ccc59cfc081698047431995efe7305		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27DDA 14676 bytes
font_04_sfnt_off0002bfd8.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BFD8 6084 bytes
font_05_sfnt_off0002cf6d.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CF6D 3752 bytes

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