Malicious PDF — malware analysis report

Static analysis result for SHA-256 3450aaba1b214a18…

MALICIOUS

PDF

184.8 KB Created: 2015-07-25 00:27:51 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 8c24595cad6650c471618cc69d56f820 SHA-1: e086d912a5fa515e823129bae686f64456e645ac SHA-256: 3450aaba1b214a1819d6f8e110170d1f6d52f68a8d6c27d8aff0a1a80f89cf2c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a heuristic firing for a malicious redirector link, pointing to botcraftman.ru. This indicates the document's primary purpose is to lure the user to a potentially harmful site. No scripts were extracted, but the presence of embedded URLs and the malicious redirector strongly suggest a phishing or malware distribution attempt.

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=%D0%A1%D1%85%D0%B5%D0%BC%D0%B0+%D0%B6%D1%83%D1%87%D0%BA%D0%B0+%D0%B4%D0%BB%D1%8F+%D0%BF%D1%80%D0%BE%D1%81%D0%BB%D1%83%D1%88%D0%BA%D0%B8&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4196/4196758_invayt_kod_dlya_world_of_tanks_na_avgust_2015_deystvuyuschie.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191893_nspro_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4195/4195366_watchmen_the_end_is_nigh_part_2_skachat_torrent.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_off00023dd0.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23DD0 3556 bytes
font_01_sfnt_off00024b53.bin
8571d15065e2b83a7768de12e7f8c1b83478f122959a8b7ba82015eceb1d6efc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24B53 15248 bytes
font_02_sfnt_off00027aaa.bin
3a7dc9b3d03d5b530c93bcc88ef1155e01f6ae6506efb98079abd95df3b847de		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27AAA 14588 bytes
font_03_sfnt_off0002a5ba.bin
43f4150c18a3585a4ecae6929b69075da50c1a95818afb72a199f4245a0f2c47		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A5BA 6816 bytes
font_04_sfnt_off0002b960.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B960 6084 bytes
font_05_sfnt_off0002c8f5.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C8F5 3752 bytes

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