Malicious PDF — malware analysis report

Static analysis result for SHA-256 a00ad1a815527611…

MALICIOUS

PDF

186.9 KB Created: 2015-08-08 10:03:11 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: a150d6909b49a54aba8c34a5bf3bcba1 SHA-1: 4e0079e0dff591e8f09991af0a4ac2570ff7ec9d SHA-256: a00ad1a81552761110e3225fb9615f025ad03170c65455bd4ac9218d0e5f9ce3
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, indicating an attempt to lure the user to a harmful site. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, but the presence of a malicious URL is sufficient evidence for this assessment.

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%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B0%D0%B2%D0%B0%D1%82%D0%B0%D1%80%D0%B8%D1%8F+%D0%BC%D0%B8%D1%80+%D0%B3%D0%B4%D0%B5+%D1%81%D0%B1%D1%8B%D0%B2%D0%B0%D1%8E%D1%82%D1%81%D1%8F+%D0%BC%D0%B5%D1%87%D1%82%D1%8B+%D0%BD%D0%B0+%D1%82%D0%B5%D0%BB%D0%B5%D1%84%D0%BE%D0%BD&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384898_azhurnuyy_uzor_spicami_shemuy.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383896_skachat_windows_10_rus_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384313_umnaya_muzuyka_skachat_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024669.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24669 3556 bytes
font_01_sfnt_off000253ec.bin
d4c73754d0ea8dc5cf5a9ebe9f3c039f9440d54a6c702d6b5b86026b1a108e4d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x253EC 14584 bytes
font_02_sfnt_off000281b7.bin
4ae165705ecc41720893a92c6e94e3ee89b3be36a12e4a920505046f59c61edc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x281B7 14468 bytes
font_03_sfnt_off0002ac65.bin
04f71063be4e1ef46458e0a63d3cc1a3d0e86ebc506b2382c299a361f6cd9b52		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AC65 7340 bytes
font_04_sfnt_off0002c1d2.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C1D2 6084 bytes
font_05_sfnt_off0002d167.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D167 3752 bytes

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