Malicious PDF — malware analysis report

Static analysis result for SHA-256 999d12abfee54b63…

MALICIOUS

PDF

185.2 KB Created: 2015-08-03 17:21:00 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 518d770aa96cfa4fde66a6187fe8b42a SHA-1: ac4ac5bd66bc62cd9f3c47917f6802b8b42fb93d SHA-256: 999d12abfee54b6320d4370964dc32ba7767f1ea59b808fe0bd76e4971004a8b
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a malicious redirector link. This link, http://botcraftman.ru/?lip&keyword=%D1%81%D0%B4%D0%B0%D0%BC+%D0%B3%D0%B8%D0%B0+%D0%BF%D0%BE+%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B5+%D0%B4%D0%BC%D0%B8%D1%82%D1%80%D0%B8%D0%B9+%D0%B3%D1%83%D1%89%D0%B8%D0%BD&charset=utf-8, is the primary indicator of malicious intent. The document body is truncated and does not provide further context on the lure. No scripts were extracted from this sample.

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%B4%D0%B0%D0%BC+%D0%B3%D0%B8%D0%B0+%D0%BF%D0%BE+%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B5+%D0%B4%D0%BC%D0%B8%D1%82%D1%80%D0%B8%D0%B9+%D0%B3%D1%83%D1%89%D0%B8%D0%BD&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4240/4240004_skachat_russkiy_mui_dlya_windows_xp_32bit.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4261/4261244_sap_programma_obuchenie.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4278/4278061_kasperskiy_2015_skachat_besplatno_klyuchi.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024217.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24217 3556 bytes
font_01_sfnt_off00024f9a.bin
deb50a7b9ea81b49a3849900495b9fb5cc1d3c4db539efef9c8f0196e37be89b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24F9A 15000 bytes
font_02_sfnt_off00027e15.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27E15 14468 bytes
font_03_sfnt_off0002a8c8.bin
b4f097d7223fbaf12ec5eeebad7b35cba41ec2b2d9a019b876c7db5ec238aa3d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A8C8 6440 bytes
font_04_sfnt_off0002bb01.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB01 6084 bytes
font_05_sfnt_off0002ca96.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA96 3752 bytes

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