Malicious PDF — malware analysis report

Static analysis result for SHA-256 a8bb065b30f88cc4…

MALICIOUS

PDF

185.8 KB Created: 2015-08-05 13:31:19 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: f988afb661d377a689d848946b70c5bb SHA-1: c7bebe5772b50b45373eb4a4ed1e773e335591ca SHA-256: a8bb065b30f88cc43c52300fe731d495f4adfd10ebf156a831c5645585853ecf
90 Risk Score

Malware Insights

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

The PDF contains an embedded link to a known malicious redirector. The ML classifier also flagged this PDF with high confidence. The primary malicious IOC is the redirector URL, which is likely used to deliver a secondary payload or lead the user to a phishing 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=%D1%81%D0%B5%D1%80%D0%B3%D0%B5%D0%B9+%D1%82%D0%B0%D1%80%D0%BC%D0%B0%D1%88%D0%B5%D0%B2+%D0%B0%D1%80%D0%B5%D0%B0%D0%BB+6+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+fb2&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304544_prohozhdenie_nyensi_dryu_zapiski_chernoy_koshki.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304459_koduy_dlya_kanalov_sputnikovogo.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304504_assasin_krid_yuniti_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002426f.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2426F 3556 bytes
font_01_sfnt_off00024ff2.bin
d0bba85d99d83b0d477983d4a2c4df3608bfc2afbc213e4afc6ff5d1b65ed052		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24FF2 14680 bytes
font_02_sfnt_off00027dd1.bin
87e2436379a7229f394d3cdc56bfd2088a06a3efb7dd8e893107f6d84a597115		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27DD1 14752 bytes
font_03_sfnt_off0002a95d.bin
9e2337edf1902cc1e1bab5147f4710c7669c4ac406ccf16a51abc726b3e6e2e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A95D 6892 bytes
font_04_sfnt_off0002bd62.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD62 6084 bytes
font_05_sfnt_off0002ccf7.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CCF7 3752 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.