Malicious PDF — malware analysis report

Static analysis result for SHA-256 c10b30762f4aeaf8…

MALICIOUS

PDF

183.1 KB Created: 2015-08-05 16:29:43 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: aabdbbaf847cfc6f2a1b8a633d647c34 SHA-1: 3b39e1e7cf17c5dd349c36e95eb2e7e840a55f0e SHA-256: c10b30762f4aeaf8d7cae186a75180f9867e94ff2b33cf3216066b7eda1f3da6
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a link to a known malicious redirector, botcraftman.ru. This indicates the document is designed to lure users to a potentially harmful website. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, and the document body was not sufficiently readable to determine a 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=%D0%B3%D0%B8%D0%B0+%D0%BF%D0%BE+%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305653_nalozhnicuy_nenavisti_skachat_fb2.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305213_app866_fon.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305667_metodika_uvelicheniya_penisa_alekseya_elizarova.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023c13.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23C13 3556 bytes
font_01_sfnt_off00024996.bin
966e478dc22d39c26c9a0b7824284e070c3ec16ae320069bde1c2dde976b6e14		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24996 14456 bytes
font_02_sfnt_off00027735.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27735 14468 bytes
font_03_sfnt_off0002a1e8.bin
2dba1f275f37c4cbed2cb9785753cef4c06ddd61ee41f14492d856b1915bc140		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A1E8 6040 bytes
font_04_sfnt_off0002b2b1.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B2B1 6084 bytes
font_05_sfnt_off0002c246.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C246 3752 bytes

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