Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2f7295cc15427cd…

MALICIOUS

PDF

184.9 KB Created: 2015-08-05 13:47:41 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 9adf4f4eff6ac832e6673b4e1310bff8 SHA-1: e52bafe5b5ff2dfc19bee78179ea94533aace3f6 SHA-256: d2f7295cc15427cd9031d70b1d0264ae788d974feb6c2831840c639ffb6260c2
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/?lip&keyword=13+%D1%80%D0%B0%D0%B9%D0%BE%D0%BD+2+%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&charset=utf-8, is the primary indicator of malicious intent. This suggests the document is intended to lure users to a compromised or malicious site.

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=13+%D1%80%D0%B0%D0%B9%D0%BE%D0%BD+2+%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&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304478_skachat_kartu_na_maynkraft_18_gorod_moskva.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304576_proektuy_po_tehnologii_6_klass_dlya_devochek.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304526_skachat_kniga_po_remontu_uaz390995.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024144.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24144 3556 bytes
font_01_sfnt_off00024ec7.bin
a67e536307c14e2c9da20dcaf1cac5424be06da65884d5e2f525b392c922c4ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24EC7 14816 bytes
font_02_sfnt_off00027d0c.bin
095696efddca69f9a6f2ae785d0233a7aea7d0667d336b2b0821a42928ef859c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27D0C 14468 bytes
font_03_sfnt_off0002a7b6.bin
401bd766c50b8b25b675e2656b849540a4fd68ef430f36a8d6fe840a9041acaf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A7B6 6400 bytes
font_04_sfnt_off0002b9ea.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B9EA 6084 bytes
font_05_sfnt_off0002c97f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C97F 3752 bytes

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