Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f7d902e1524fdec…

MALICIOUS

PDF

184.9 KB Created: 2015-07-27 08:17:40 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c96ca5ed9b6c7d57f0d8255b60b88d66 SHA-1: 2cc4dde13c1cc99ebfd03e05cb0763d6dfc76f31 SHA-256: 1f7d902e1524fdecef6966ba392a77449795b351e3bc5e56d735f4ae2b1d9c12
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 a known malicious redirector. This suggests the document is designed to lure users to a malicious website. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact lure.

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%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BF%D0%BE%D1%80%D0%BD%D0%BE+%D1%80%D0%BE%D0%BB%D0%B8%D0%BA%D0%B8+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191405_podklyuchit_iphone_k_kompyuteru_cherez_wifi_windows_7.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4209/4209625_1c_8x_unipatch_exe_x64.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4204/4204618_vremya_priklyucheniy_6_sezon_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024063.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24063 3556 bytes
font_01_sfnt_off00024de6.bin
f96554cd1ffac08043e2961f27f6cc246ea2f0e2b2c0242ef7f3c13dd8539331		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24DE6 15180 bytes
font_02_sfnt_off00027caf.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27CAF 14468 bytes
font_03_sfnt_off0002a761.bin
2e991c4b5356193104a60734f37f258f5ae692615ca7b6559622eede354eb4f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A761 6496 bytes
font_04_sfnt_off0002b9d9.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B9D9 6084 bytes
font_05_sfnt_off0002c96e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C96E 3752 bytes

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