Malicious PDF — malware analysis report

Static analysis result for SHA-256 62a10129ae2d8169…

MALICIOUS

PDF

187.2 KB Created: 2015-07-23 21:26:22 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: e7e586b31e02728244aab90218bc7570 SHA-1: 0832da0d510fe4e42241d03026a6a44555936f82 SHA-256: 62a10129ae2d816934cdd933340497259217e3d5f0a395d481859a52aa424d6d
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics as malicious, specifically for containing a link to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The embedded URL points to botcraftman.ru, which is identified as a malicious redirector. This suggests the document's primary purpose is to lure users to a harmful 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=%D0%9E%D1%82%D0%B7%D1%8B%D0%B2+%D0%BD%D0%B0+%D0%BC%D0%B0%D0%B3%D0%B8%D1%81%D1%82%D0%B5%D1%80%D1%81%D0%BA%D1%83%D1%8E+%D0%B4%D0%B8%D1%81%D1%81%D0%B5%D1%80%D1%82%D0%B0%D1%86%D0%B8%D1%8E+%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D0%B5%D1%86&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184903_kristall_tv_kod_aktivacii.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184544_kak_oformit_soderzhanie_v_diplomnoy_rabote.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184920_halestorm_diskografiya_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_off00024988.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24988 3556 bytes
font_01_sfnt_off0002570b.bin
9ce1179d70ea0006fc83a7e25df2e11efabdcef5b7c1eb2579a24e73dfe1bcbd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2570B 14472 bytes
font_02_sfnt_off000283ac.bin
2894a2e95f819f01c1e340b533698417996480c8c8e83cbe4142995621a3eef5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x283AC 14468 bytes
font_03_sfnt_off0002ae5c.bin
8d752552daf2e59bca59db72805fb02b95daaf44a41a738f1c5bf927f32ece35		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AE5C 7068 bytes
font_04_sfnt_off0002c2e4.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C2E4 6084 bytes
font_05_sfnt_off0002d279.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D279 3752 bytes

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