Malicious PDF — malware analysis report

Static analysis result for SHA-256 009106b861c41c3c…

MALICIOUS

PDF

185.4 KB Created: 2015-07-24 00:22:00 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 672c06bdd802effa18ba9f4c9fea3d74 SHA-1: 4bcf2b4d9acc1a1e9526c2e4cddc251531b429ed SHA-256: 009106b861c41c3ca747460225a3a2a7df0b2c1906714d710568aa44333ad1bd
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged by multiple heuristics as malicious, including a critical alert for a link to known malicious redirector infrastructure. The primary malicious indicator is the embedded URL pointing to botcraftman.ru, which is associated with malicious redirector activity. No scripts were extracted, and the document body was truncated and unreadable, making the URL the primary focus for analysis.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-7512616-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7512616-0
  • 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=bulletstorm+2+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185225_skachat_igru_gadkiy_ya_minion_rush_na_kompyuter.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184834_vzlomovod_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186362_anatomiya_silovuyh_uprazhneniy_skachat_epub.pdf
    • http://www.microsoft.com/typography/fonts/You
    • http://www.microsoft.com/typography/fonts/

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a789.bin
679486a62218ea1202ef76584f5f3e9f7b15f2dbdf89d0461203aca8b1c7a66d		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A789 6984 bytes
font_00_sfnt_off0002406d.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2406D 3556 bytes
font_01_sfnt_off00024df0.bin
b1bcd0e0a767a112bdf9c68f322504785d86486ccb3454fa3e21e2e2d8de417c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24DF0 14864 bytes
font_02_sfnt_off00027bfd.bin
6ac7af87dd97a0f32ed7b3ba7cba5d36b1136b7d84efb8a55031d1a9f99c9b0f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27BFD 14744 bytes
font_04_sfnt_off0002bbd3.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BBD3 6084 bytes
font_05_sfnt_off0002cb68.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CB68 3752 bytes

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