Malicious PDF — malware analysis report

Static analysis result for SHA-256 db2f46cd349e96fc…

MALICIOUS

PDF

185.6 KB Created: 2015-08-08 09:43:37 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 1f4cdf150bfb66cb22d47e6e68340d71 SHA-1: 4b78932b09af833bd8689c63860ba6beedd4c6c0 SHA-256: db2f46cd349e96fc44f913c9631498993e31d2a965ff7cb8afa9cd716c2dee66
90 Risk Score

Malware Insights

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

The PDF file contains an embedded link to a known malicious redirector. This indicates the document is designed to lure users to a harmful website, likely for phishing or malware distribution. The ML classifier also strongly flagged this PDF as malicious. 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=%D0%B2%D0%B0%D0%B4%D1%8F%D1%80%D0%B0+%D0%B1%D0%BB%D1%8E%D0%B7+%D0%B2%D0%BE+%D0%B2%D1%81%D0%B5+%D0%B3%D0%BE%D1%80%D0%BE%D0%B4%D0%B0+%D1%82%D0%B5%D0%BA%D1%81%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383968_fifa_street_2_ps2_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383888_rukovodstvo_po_remontu_bmw_e39.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4233/4233138_proreznaya_rezba_po_derevu_trafaretuy.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002416d.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2416D 3556 bytes
font_01_sfnt_off00024ef0.bin
7d1cb21d653e37eeb2e88c8106e0156952e2064e4f1b0a47ea84008a09fd2209		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24EF0 15208 bytes
font_02_sfnt_off00027e27.bin
2b14c28b1152a9e98ed91035866133faec8e73b0fced85132a3d789e8f9999ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27E27 14680 bytes
font_03_sfnt_off0002a8ed.bin
99d816291e22b4d19904573af8accd55edd3903b8ac60a6438fac7bdeecd51b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A8ED 6856 bytes
font_04_sfnt_off0002bca2.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BCA2 6084 bytes
font_05_sfnt_off0002cc37.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC37 3752 bytes

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