Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a5be2be644c0c8e…

MALICIOUS

PDF

185.5 KB Created: 2015-07-24 01:07:41 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: e4506c7bd498cd945e2ff2f07ebfc409 SHA-1: 66ba7ce2025b0d8fe3d649a4b7a27bcc2ac9ff55 SHA-256: 6a5be2be644c0c8e8810a799de0da31788513c752ca747f7c9a47013064502f1
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, http://botcraftman.ru/. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware delivery. No scripts were extracted, and the document body was truncated, limiting further analysis.

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%B7%D0%B0%D0%B4%D0%B0%D1%87%D0%B8+%D0%BF%D0%BE+%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B5+4+%D0%BA%D0%BB%D0%B0%D1%81%D1%81+%D0%B3%D0%B0%D1%80%D0%BC%D0%BE%D0%BD%D0%B8%D1%8F&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184378_algebra_7_klass_mordkovich_uchebnik_chitat_onlayn.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185659_diana_va_bahrom_yoqubov.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185481_ramki_eskd_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_off0002414d.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2414D 3556 bytes
font_01_sfnt_off00024ed0.bin
65e0871fb87c1c8748b88f8c3739750efdea454b5f2e33b9667de6dd76077b4d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24ED0 15052 bytes
font_02_sfnt_off00027d6d.bin
919b51e2caefd009001b50aa99e584a1e78e93007a5e210d0f3268244fa2f1b4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27D6D 14720 bytes
font_03_sfnt_off0002a8dc.bin
4d7fb0bfac4ef15b515a65ed705da23521bd2a932f540800327db67310703952		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A8DC 6708 bytes
font_04_sfnt_off0002bc16.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BC16 6084 bytes
font_05_sfnt_off0002cbab.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CBAB 3752 bytes

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