Malicious PDF — malware analysis report

Static analysis result for SHA-256 cbe6419f1d71a9d6…

MALICIOUS

PDF

184.1 KB Created: 2015-08-08 10:46:39 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 610574da58365cfc665d709d7d2d398b SHA-1: a86c2abcc113f51ba5b6e84dd873fbf3e5ffefd6 SHA-256: cbe6419f1d71a9d60c6887c6b407ba301beaa10ff1e4ba0f935c8d9266480e0e
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to a known malicious redirector. This suggests the document is designed to lure users to a malicious website. The embedded URL http://botcraftman.ru/?lip&keyword=%D0%BA%D0%B0%D0%BA+%D1%83%D1%81%D1%82%D0%B0%D0%BD%D0%BE%D0%B2%D0%B8%D1%82%D1%8C+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D1%8B+%D0%BD%D0%B0+iphone+3g&charset=utf-8 is the primary indicator of this malicious intent. No scripts were extracted, limiting further analysis of the payload.

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%BA%D0%B0%D0%BA+%D1%83%D1%81%D1%82%D0%B0%D0%BD%D0%BE%D0%B2%D0%B8%D1%82%D1%8C+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D1%8B+%D0%BD%D0%B0+iphone+3g&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386238_skachat_programmu_win_zip_arhivatoruy_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384737___4__17__.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384636_programma_dlya_videochata.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023c1b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23C1B 3556 bytes
font_01_sfnt_off0002499e.bin
c885408943c10f70b7fe1c610cc4753cb767eec728ca43569af0e841989feb2d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2499E 14072 bytes
font_02_sfnt_off00027603.bin
b3b9d9c226a61cdb225b52299271f0d4a57e34ab0e0ed4fd599cbf2eee2ba153		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27603 14564 bytes
font_03_sfnt_off0002a0d6.bin
90b3cbcb3bf4102f5eae4cd9872410fd4e0e4a7c482d3585be417f011d8617a5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A0D6 7468 bytes
font_04_sfnt_off0002b68c.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B68C 6084 bytes
font_05_sfnt_off0002c621.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C621 3752 bytes

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