Malicious PDF — malware analysis report

Static analysis result for SHA-256 eef3d568b1984d79…

MALICIOUS

PDF

184.3 KB Created: 2015-08-05 13:42:30 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 6898065a6fcd37b05ab2faf5378d85dc SHA-1: 78840932201257c238fd1c9c09089b25628c3bc0 SHA-256: eef3d568b1984d79477ceb61577d98ba3f0cdb83274f29ca3ff1dfd58bc49358
60 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL 'http://botcraftman.ru/?lip&keyword=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BC%D1%83%D0%B7%D1%8B%D0%BA%D1%83+%D0%B2%D0%BA%D0%BE%D0%BD%D1%82%D0%B0%D0%BA%D1%82%D0%B5&charset=utf-8' is flagged as malicious. This suggests the document's primary purpose is to redirect users to a potentially harmful website. 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%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BC%D1%83%D0%B7%D1%8B%D0%BA%D1%83+%D0%B2%D0%BA%D0%BE%D0%BD%D1%82%D0%B0%D0%BA%D1%82%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304626_knigi_formata_txt_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304543_skachat_vizio_2007_besplatno_na_russkom_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304489_za_granyu_3_sezon_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023e91.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23E91 3556 bytes
font_01_sfnt_off00024c14.bin
4addcdbf99b2de6c6718ca6fcb5c43c346fd668117993c59d00096fad345d30c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C14 14768 bytes
font_02_sfnt_off00027a25.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A25 14468 bytes
font_03_sfnt_off0002a4d7.bin
7629c594493d00f74682eebf1317ca1915bda208a63344e56310a4f4fd844339		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A4D7 6504 bytes
font_04_sfnt_off0002b762.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B762 6084 bytes
font_05_sfnt_off0002c6f7.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C6F7 3752 bytes

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