Malicious PDF — malware analysis report

Static analysis result for SHA-256 10d7ff3157f76fdf…

MALICIOUS

PDF

188.3 KB Created: 2015-08-07 00:11:13 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 060084df6cf984175ddfd7cd8736267a SHA-1: aae2c23c7c470a22e7886b7ed727a8cdc232e1f9 SHA-256: 10d7ff3157f76fdff3aa01f661e5c165bea082142321496fffe1d7eb01d0f4a0
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. The ML classifier also strongly flagged this PDF as malicious. While no scripts were directly extracted, the presence of embedded URLs and the redirector heuristic suggest the document's primary purpose is to facilitate further malicious activity.

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%B4%D0%B8%D1%81%D0%BA+%D0%B2%D0%BE+%D0%B8%D0%BC%D1%8F+%D0%B6%D0%B8%D0%B7%D0%BD%D0%B8+%D0%B1%D0%B0%D0%B7%D1%8B%D0%BB%D1%85%D0%B0%D0%BD%D0%B0+%D0%B4%D1%8E%D1%81%D1%83%D0%BF%D0%BE%D0%B2%D0%B0+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%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://img0.liveinternet.ru/images/attach/c/6//4308/4308382_skachat_drayver_pak_dlya_vindovs_xp.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4312/4312757_tablica_mendeleeva_skachat_dlya_pechati.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4321/4321565_gomzyak_govorim_pravilno_v_6_7_let_skachat.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_off00024a68.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24A68 3556 bytes
font_01_sfnt_off000257eb.bin
7b331635c2ec11ae8d7253159af8de672b7e5879a33464c2d794874a3128f394		 pdf-font-stream PDF embedded font (sfnt) at offset 0x257EB 14988 bytes
font_02_sfnt_off00028690.bin
53297381be6fc2a7a5bb4094aab149930de67d773ff66ecf0ca0161b82bf2109		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28690 14532 bytes
font_03_sfnt_off0002b17f.bin
f09386169d86190d960b196d5953dcf6b72aa606f6b0df824422ab7fa4c8457e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B17F 7504 bytes
font_04_sfnt_off0002c77b.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C77B 6084 bytes
font_05_sfnt_off0002d710.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D710 3752 bytes

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