Malicious PDF — malware analysis report

Static analysis result for SHA-256 09b5f5b7104c3eae…

MALICIOUS

PDF

185.9 KB Created: 2015-07-25 06:32:25 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 2ae85cbf4987ad28c5a3239936899f15 SHA-1: 61e0b5fa682404cdc20322a2986343967e79f7fa SHA-256: 09b5f5b7104c3eae51634fc5742650c40fcf04a95b15582255e099780bda8401
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by multiple heuristics as malicious, specifically for containing a link to known malicious redirector infrastructure. The embedded URL points to 'botcraftman.ru', which is identified as a malicious redirector. This suggests the document is designed to lure users to a compromised site, likely for further exploitation or malware delivery.

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%BA%D0%BB%D1%8E%D1%87%D0%B8+%D1%81%D0%BF%D1%83%D1%82%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2%D0%BE%D0%B3%D0%BE+%D1%82%D0%B2+%D0%BA%D0%BE%D0%B4%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%BD%D1%8B%D1%85+%D0%BA%D0%B0%D0%BD%D0%B0%D0%BB%D0%BE%D0%B2&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191952_elmconfig_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193026_simple_image_gallery_pro_joomla_30_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4199/4199906_sergey_lukyanenko_uchastkovuyy_skachat_fb2.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_off000243a6.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x243A6 3556 bytes
font_01_sfnt_off00025129.bin
0840de5720f827482e0f93330054ddd3cb16337e1b91e542505177885d227530		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25129 14772 bytes
font_02_sfnt_off00027f51.bin
a129d9abfef1b4e478fa76dcc1931eb90b1cdd7c274fa62f98e16d0ae1e55cf8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F51 14532 bytes
font_03_sfnt_off0002aa3f.bin
ac9d7db594018e01dd69097864f8e4edf7db64f9a275f946e33e4a75241de129		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA3F 6800 bytes
font_04_sfnt_off0002bdcc.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BDCC 6084 bytes
font_05_sfnt_off0002cd61.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD61 3752 bytes

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