Malicious PDF — malware analysis report

Static analysis result for SHA-256 059cafff8eb68131…

MALICIOUS

PDF

186.0 KB Created: 2015-07-25 05:19:39 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 465fc59078fe36e1c0127bb4e4fb0eb3 SHA-1: 8f7a29cce86683a6d84e046385114a8b6bad7215 SHA-256: 059cafff8eb68131715ba46111e588bec69173c4821bc018be4c61e968d4367d
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, botcraftman.ru, which is a strong indicator of malicious intent. The ML classifier also flagged this PDF with high confidence. While no scripts were explicitly extracted, the presence of embedded URLs and the heuristic firings suggest the document is designed to lure users to a malicious site. The document body appears to be truncated and contains non-readable characters, offering no further insight into its specific purpose.

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%80%D0%B0%D1%81%D0%BF%D0%B8%D1%81%D0%B0%D0%BD%D0%B8%D0%B5+%D1%81%D0%BA%D0%BE%D1%80%D0%BE%D1%81%D1%82%D0%BD%D0%BE%D0%B3%D0%BE+%D1%82%D1%80%D0%B0%D0%BC%D0%B2%D0%B0%D1%8F+%D0%BA%D1%80%D0%B8%D0%B2%D0%BE%D0%B9+%D1%80%D0%BE%D0%B3&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184407_sims_2_pitomcuy_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4196/4196176_domofon_berkut_ls_2001_koduy.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192074_skachat_shrift_gost_type_b.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_off00024593.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24593 3556 bytes
font_01_sfnt_off00025316.bin
a783d35f67675edfd53033101153e99a95f5b88a815b55ea94f05f7e9a14f1d7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25316 14616 bytes
font_02_sfnt_off000280d6.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x280D6 14468 bytes
font_03_sfnt_off0002ab89.bin
497e2ef05e9a090b60096da6deb56944d57e2fd389df4440cb087c1a62787bc6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB89 6576 bytes
font_04_sfnt_off0002be35.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE35 6084 bytes
font_05_sfnt_off0002cdca.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CDCA 3752 bytes

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