Malicious PDF — malware analysis report

Static analysis result for SHA-256 34b639e6076ad38e…

MALICIOUS

PDF

185.6 KB Created: 2015-07-26 19:10:07 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 381e9edff499c56a4b7a5629a0e66b2d SHA-1: b45741cf5c722f7a2f21562320d47f2f398e1bde SHA-256: 34b639e6076ad38eb6e05e23436bb2007445f6dfff02a7760741f884eaf6aae6
90 Risk Score

Malware Insights

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

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/?lip&keyword=Imadeface+%D0%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD+%D0%BD%D0%B0+%D0%BA%D0%BE%D0%BC%D0%BF%D1%8C%D1%8E%D1%82%D0%B5%D1%80%D0%B5&charset=utf-8 is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware distribution site.

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=Imadeface+%D0%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD+%D0%BD%D0%B0+%D0%BA%D0%BE%D0%BC%D0%BF%D1%8C%D1%8E%D1%82%D0%B5%D1%80%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185543_nightwish_skachat_besplatno_vse_albomuy.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4213/4213905_klyuch_aktivacii_dlya_angry_birds_space.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186114_skachat_cleo_skript_na_dengi_dlya_samp.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024143.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24143 3556 bytes
font_01_sfnt_off00024ec6.bin
16f394c07398852ed42e50d357f4e10bf3037de2b254769900b2afc2035539e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24EC6 14972 bytes
font_02_sfnt_off00027ccd.bin
8e81fddf572f3bf41849c77a5ae74b66b0a03f83a8b345a01308b9879c8b51d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27CCD 14732 bytes
font_03_sfnt_off0002a843.bin
1ae0d1a1e26f388663300d71a175ab13272362a1d146f673b5d58d260dcf79b9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A843 7028 bytes
font_04_sfnt_off0002bca6.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BCA6 6084 bytes
font_05_sfnt_off0002cc3b.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC3B 3752 bytes

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