Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e47df54a9c6b0fe…

MALICIOUS

PDF

190.9 KB Created: 2015-07-23 19:54:58 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: a3a2ad640f21d20328e3cc0a4951f88a SHA-1: 07ea0864ee9ee3e718d7f034ba315ee65323aa6d SHA-256: 9e47df54a9c6b0fe8c9677023faa794694e81716189e2669e1e1a2c523bd90e7
90 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector URL, botcraftman.ru. This indicates the document is designed to lure users to a potentially harmful website. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, and the document body was not sufficiently readable to determine a specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9979

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%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%BC%D0%B0%D1%88%D0%B0+%D0%B8+%D0%BC%D0%B5%D0%B4%D0%B2%D0%B5%D0%B4%D1%8C+%D0%B2%D1%81%D0%B5+%D1%81%D0%B5%D1%80%D0%B8%D0%B8+%D0%BE%D0%B4%D0%BD%D0%B8%D0%BC+%D1%84%D0%B0%D0%B9%D0%BB%D0%BE%D0%BC&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183185_lada_kalina_shema_yelektricheskaya.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183177_kursovoy_proekt_po_arhitekture_zdaniy.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184263_skachat_mod_na_maynkraft_152_apokalipsis.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000257a8.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x257A8 3556 bytes
font_01_sfnt_off0002652b.bin
8276068ded44eef5f5b8859b01334070ede66c9973dab0ae3269eb2a4c275718		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2652B 14468 bytes
font_02_sfnt_off0002926a.bin
8c5e5bc4674cee60ec6c1619e60533ff44be00efca6b5f228c587d2f19a61a12		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2926A 14520 bytes
font_03_sfnt_off0002bd39.bin
1d9a94337367150e29d18231844754cb41f2a2cdd32d0781c8266f0a704457b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD39 7124 bytes
font_04_sfnt_off0002d1e4.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D1E4 6084 bytes
font_05_sfnt_off0002e179.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E179 3752 bytes

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