Malicious PDF — malware analysis report

Static analysis result for SHA-256 95f987043de89045…

MALICIOUS

PDF

188.6 KB Created: 2015-08-08 15:21:24 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: a34f5c6805ea6bca044c82dc6037f538 SHA-1: ee2105b36c0b165400a443c3769a6b8b75c53341 SHA-256: 95f987043de890458de72d46efb5824b6780ae298d71887da89549eb8067fb4a
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The embedded URL points to botcraftman.ru, which is identified as a malicious redirector. This suggests the document's primary purpose is to lure users to a harmful website.

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%82%D0%B5%D0%BE%D1%80%D0%B8%D1%8F+%D0%B1%D0%BE%D0%BB%D1%8C%D1%88%D0%BE%D0%B3%D0%BE+%D0%B2%D0%B7%D1%80%D1%8B%D0%B2%D0%B0+6+%D1%81%D0%B5%D0%B7%D0%BE%D0%BD+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D0%BA%D1%83%D1%80%D0%B0%D0%B6+%D0%B1%D0%BE%D0%BC%D0%B1%D0%B5%D0%B9&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384861_ledovuyy_dvorec_naberezhnuye_chelnuy_oficialnuyy_sayt_raspisanie.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384510_knigi_o_vedmah_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4391/4391676_annotaciya_yasnuyy_mesyac_novikov.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024e1e.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E1E 3556 bytes
font_01_sfnt_off00025ba1.bin
27291d7bd78879d190b19c3532c69c81f5646c985fb12bfcff95bb94cd848fc3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25BA1 14076 bytes
font_02_sfnt_off000287dd.bin
55d744d00f93fb3bc1201f46e7a67ea79bf272e0ce7c3c14035a29d12f2de3de		 pdf-font-stream PDF embedded font (sfnt) at offset 0x287DD 14520 bytes
font_03_sfnt_off0002b2af.bin
a99d0dfcdac40858d1792f3b5702d651e4959854b183945212213faf12c188f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B2AF 7548 bytes
font_04_sfnt_off0002c8ba.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C8BA 6084 bytes
font_05_sfnt_off0002d84f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D84F 3752 bytes

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