Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0f0854872f52ea0…

MALICIOUS

PDF

185.8 KB Created: 2015-07-26 09:09:20 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 155b67572335a2c5b8985388801761da SHA-1: 03d5b1dced7c10badaae5ad436ad2ea5f0aa7de5 SHA-256: c0f0854872f52ea0a8cf7d8ffd89479c71bf7bbf1d0c578c779a4523f97c1a58
92 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 critical heuristic indicating a malicious redirector link. The embedded URL, http://botcraftman.ru/..., is associated with known malicious infrastructure. This suggests the document is designed to lure users to a malicious site, likely for phishing or to download further malware.

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%82%D0%B5%D0%BC%D1%8B+%D0%B4%D0%BB%D1%8F+%D1%81%D0%B0%D0%BC%D1%81%D1%83%D0%BD%D0%B3+wave+525+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%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//4191/4191210_skachat_sbornik_radio_vanya_cherez_torrent_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4214/4214525_patch_dlya_pes_2014_rfpl_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187109_novuye_filmuy_2013_o_voyne_19411945.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024119.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24119 3556 bytes
font_01_sfnt_off00024e9c.bin
c7332603180d3689fe80fc8cceb2c04b5fa17a6a0daa9aa9495a9d58611a90a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E9C 14752 bytes
font_02_sfnt_off00027c51.bin
c9012e6c78e04aef33a6ccc97a68f5a69ca0afb78e19b41666dfc2842c1a78e6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C51 14764 bytes
font_03_sfnt_off0002a7f1.bin
a1be4fcd79909c19cf37f6b3358b45e5643baacc5e22f6b7aaa48b45466fe799		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A7F1 7356 bytes
font_04_sfnt_off0002bd88.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD88 6084 bytes
font_05_sfnt_off0002cd1d.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD1D 3752 bytes

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