Malicious PDF — malware analysis report

Static analysis result for SHA-256 7bab0aab417a01e0…

MALICIOUS

PDF

185.1 KB Created: 2015-08-08 09:33:55 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 4d95a96120693d670acb8ba2c81db7f3 SHA-1: 3429a3215e39b6fa450927b0cd4bfb854f8ae32c SHA-256: 7bab0aab417a01e0b4907185192d2f8b0ada7e931579d0e147544538fc1fe38d
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains an embedded link that directs to a known malicious redirector. The ML classifier also flagged this PDF with a high confidence score, indicating malicious intent. The primary attack vector appears to be luring the user to a malicious site via a deceptive link within the document.

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=%D1%81%D0%B0%D0%BC%D1%81%D1%83%D0%BD%D0%B3+5610+%D1%83%D0%B2%D0%B5%D0%BB%D0%B8%D1%87%D0%B8%D1%82%D1%8C+%D0%B3%D1%80%D0%BE%D0%BC%D0%BA%D0%BE%D1%81%D1%82%D1%8C+%D0%B7%D0%B2%D0%BE%D0%BD%D0%BA%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383885_pinakl_studiya_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383699_skachat_geroi_3_klinok_armageddona_torrent_besplatno.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_off00024077.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24077 3556 bytes
font_01_sfnt_off00024dfa.bin
9b233abf740b321705660d6da237e5985d689da3923c88d32ee1efbf1a4620af		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24DFA 14200 bytes
font_02_sfnt_off00027a5a.bin
6271f76f246cb0e646a4deb336cae33a8e111e3fdf9053603881bd35a724a866		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A5A 14640 bytes
font_03_sfnt_off0002a590.bin
5eafab8bd75281826df879798a682ad40fe69cc400d6842f5572cd6592f981db		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A590 7112 bytes
font_04_sfnt_off0002ba6f.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BA6F 6084 bytes
font_05_sfnt_off0002ca04.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA04 3752 bytes

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