Malicious PDF — malware analysis report

Static analysis result for SHA-256 3b67b30d64756be7…

MALICIOUS

PDF

187.9 KB Created: 2015-07-24 15:31:30 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: a0aa8dce94e65d1075a403a753e50504 SHA-1: 8f83f66da8f1c2cfb0d995e5dbbe54d251bcc942 SHA-256: 3b67b30d64756be71e00ed43464086ff715583fd252824cc7b80f89755b6cf2d
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link to a known malicious redirector, botcraftman.ru. This indicates the document is likely intended to lure users to a malicious site for phishing or malware distribution. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.

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%B3%D0%B8%D0%B0+%D0%BF%D0%BE+%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B5+2015+9+%D0%BA%D0%BB%D0%B0%D1%81%D1%81+%D0%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD+%D1%82%D0%B5%D1%81%D1%82%D1%8B+%D1%80%D0%B5%D1%88%D0%B0%D1%82%D1%8C+%D1%81+%D0%BE%D1%86%D0%B5%D0%BD%D0%BA%D0%BE%D0%B9&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192143_klyuchi_dlya_eset_smart_security_603046.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190899_skachat_igruy_dlya_lokalnoy_seti_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184513_skachat_cherez_torrent_windows_xp_2015.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024899.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24899 3556 bytes
font_01_sfnt_off0002561c.bin
2c9d53679e24e10d3f94fbd5e65e20ed2f19eb8ab8de4459af05c1ccf7be4a81		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2561C 15088 bytes
font_02_sfnt_off00028524.bin
c6fe9c13f04ba903aa3069eece5d890f07f102d655e77bfa1bd56bc84c45f776		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28524 14700 bytes
font_03_sfnt_off0002b076.bin
1bef05e37fb2b9d4e44b7d2d0684898a8ea979e1703efac5a1f2e3ea3c1adb3d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B076 7248 bytes
font_04_sfnt_off0002c5a2.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C5A2 6084 bytes
font_05_sfnt_off0002d537.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D537 3752 bytes

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