Malicious PDF — malware analysis report

Static analysis result for SHA-256 14786da13e8385e6…

MALICIOUS

PDF

183.9 KB Created: 2015-08-09 10:31:25 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: cd7e93e1b2146b92b75107a7a8a99834 SHA-1: 0fd239fd09963e127715f5fc7536f0735668eb15 SHA-256: 14786da13e8385e6e7f68603ea61b5a11a7d423381f03bb80212fc4df0cef3ec
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 website, likely for phishing or malware distribution. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

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%87%D0%B8%D1%82+%D0%BD%D0%B0+%D1%82%D0%B4%D0%BF4+%D0%BF%D1%80%D0%BE%D0%B5%D0%BA%D1%82+%D1%82%D1%8C%D0%BC%D1%8B&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4396/4396253_novuye_serii_masha_i_medved_2015_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4387/4387410_nakladki_na_panel_priborov_vaz_2109_nizkaya.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385102_raspisanie_avtobusov_tver_andreapol.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_off00023e3d.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23E3D 3556 bytes
font_01_sfnt_off00024bc0.bin
f3b3fb608100584f6492887a9541e0d0c39fad5c9f8e516beedae2e1fb6a6c9f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24BC0 14212 bytes
font_02_sfnt_off000278a2.bin
4366d5c6c25c4b35d1463c3ee67186f648dc290c9302f9eb581289e20b22dae0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x278A2 14580 bytes
font_03_sfnt_off0002a3b3.bin
f3f9b55a2a3bbe44021c7c5d97c0b3de361b7024b2c2368b741c7269bc5d6110		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A3B3 6428 bytes
font_04_sfnt_off0002b5e7.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B5E7 6084 bytes
font_05_sfnt_off0002c57c.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C57C 3752 bytes

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