Malicious PDF — malware analysis report

Static analysis result for SHA-256 076f796707f267cb…

MALICIOUS

PDF

186.3 KB Created: 2015-07-26 04:20:42 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 53a82f5610e530b624f6ad67656cbdc5 SHA-1: d00f9b445da8156927488df647595557ce629cca SHA-256: 076f796707f267cbd2d7f55dac515910941af078b40ade0613b5ee661461c2c8
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 known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/, is likely used to direct users to a malicious website. No scripts were extracted, but the presence of a malicious link suggests an attempt to lure the user to a harmful destination.

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%B1%D0%BE%D0%BD%D1%83%D1%81+%D0%BA%D0%BE%D0%B4%D1%8B+wot+%D0%BD%D0%B0+%D0%B8%D1%8E%D0%BB%D1%8C+2015+%D0%B4%D0%B5%D0%B9%D1%81%D1%82%D0%B2%D1%83%D1%8E%D1%89%D0%B8%D0%B9+%D0%B1%D0%B5%D0%B7+%D1%81%D0%BA%D0%B0%D1%87%D0%B8%D0%B2%D0%B0%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//4198/4198817_skachat_alcohol_120_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191707_skachat_besplatno_navitel_obnovlenie_kart_rossii_2015.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4212/4212223_lesbi_video_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_off0002426a.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2426A 3556 bytes
font_01_sfnt_off00024fed.bin
cec07fcbcb6a57fe34a9e65febb019e4718b32b0e4ea1acde2f432a0ee98677f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24FED 14308 bytes
font_02_sfnt_off00027c5b.bin
36fc44fae4ff3f968f8ee35cf7e38e6abc0707c40a88547c81e62c3f4303d435		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C5B 14824 bytes
font_03_sfnt_off0002a82e.bin
0e72ac7b046835c528c248927adb1fa27230516d721f221ec7358a62b56e95c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A82E 7856 bytes
font_04_sfnt_off0002bf6a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF6A 6084 bytes
font_05_sfnt_off0002ceff.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CEFF 3752 bytes

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