Malicious PDF — malware analysis report

Static analysis result for SHA-256 62033479282d334b…

MALICIOUS

PDF

184.5 KB Created: 2015-08-08 10:53:32 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 27f949f8b3ad73438813042043be0c94 SHA-1: 7ee5b8d8d9ef255b62eaef42493b5899667c0ceb SHA-256: 62033479282d334b7cb0d2fd1a63c124d8c88ef64793cd418f675fb24d2046e9
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing for a malicious redirector link pointing to botcraftman.ru. This link is presented within the document body, likely as a lure for users to download software. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, but the embedded URL is the primary indicator of malicious intent.

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=vlc+portable+rus+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385857_halo_2_dlya_windows_7.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384815_forza_horizon_2_xbox_360_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385895_yeyvon_prilozhenie_k_katalogu_13_2015.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_off0002a48f.bin
9f3f71124c9c4c7ef96ebca0f6d5feb8e196f812bd7181cee709d16175fda07b
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A48F 6788 bytes
font_00_sfnt_off00023c6a.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281
pdf-font-stream PDF embedded font (sfnt) at offset 0x23C6A 3556 bytes
font_01_sfnt_off000249ed.bin
69846728d33c95631d33e23a3755dc340fb60e22cc3f50f4e7a4e2848c712c92
pdf-font-stream PDF embedded font (sfnt) at offset 0x249ED 15296 bytes
font_02_sfnt_off000278f6.bin
7b9bf14bdc3d5eac9fe77a1beca6ea8e1634d635135f1932da55bfc0e6df2b19
pdf-font-stream PDF embedded font (sfnt) at offset 0x278F6 14760 bytes
font_04_sfnt_off0002b838.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3
pdf-font-stream PDF embedded font (sfnt) at offset 0x2B838 6084 bytes
font_05_sfnt_off0002c7cd.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e
pdf-font-stream PDF embedded font (sfnt) at offset 0x2C7CD 3752 bytes