Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b84a09680d716fd…

MALICIOUS

PDF

188.6 KB Created: 2015-07-24 14:45:58 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: de7895ff0147af06cb6738072ed4e6fe SHA-1: c80d0d5e12d1f08bb3b6f4e62dc1b902b1300808 SHA-256: 0b84a09680d716fd3b049d5931d6cdd7b22b9f447dd9843b313a24e26907b3e5
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 known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is highly suspicious and likely serves as a lure to a phishing or malware distribution site. No scripts were extracted, but the presence of a malicious link is sufficient to classify this as a phishing attempt.

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%A7%D0%B5%D1%80%D1%82%D0%B5%D0%B6+%D0%BC%D0%B5%D1%85%D0%B0%D0%BD%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B9+%D0%BA%D0%B0%D1%80%D1%82%D0%BE%D1%84%D0%B5%D0%BB%D0%B5+%D0%BA%D0%BE%D0%BF%D0%B0%D0%BB%D0%BA%D0%B8+%D0%B4%D0%BB%D1%8F+%D0%BC%D0%BE%D1%82%D0%BE%D0%B1%D0%BB%D0%BE%D0%BA%D0%B0+%D0%BD%D0%B5%D0%B2%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191910_prishlo_vremya_lyubit_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186614_skachat_lenovo_launcher.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186211_blink_182_skachat_vse_albomuy_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_off00024c3b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C3B 3556 bytes
font_01_sfnt_off000259be.bin
a731e4a8efbd8e89aa7bbe2cabd0de566452a51d0cd7e1368531a8cdd0ba860d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x259BE 15012 bytes
font_02_sfnt_off000287ce.bin
0c9486995d9e5ce9514654f73ecb43dc75cf97db3929af1dbb83e43fc0d7155d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x287CE 14648 bytes
font_03_sfnt_off0002b319.bin
03b8647e0f284a21bc3eeedc7023cbe2a3c2a6cbd22e20fc6f64bb501fa50d75		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B319 7332 bytes
font_04_sfnt_off0002c873.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C873 6084 bytes
font_05_sfnt_off0002d808.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D808 3752 bytes

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