Malicious PDF — malware analysis report

Static analysis result for SHA-256 933a76240aa992d2…

MALICIOUS

PDF

354.3 KB Created: 2015-08-23 21:04:15 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 58b1047d65fe2c2412bb274c857a0a67 SHA-1: 8292be6da9af561bea6f4284d3046abefc58bca3 SHA-256: 933a76240aa992d2397e6ec59953644399ed7bb648ea73f91390efe0dd7c6df3
60 Risk Score

Malware Insights

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

The PDF file contains an embedded link that points to a known malicious redirector. This suggests the document is designed to lure the user to a potentially harmful website. No scripts were extracted, and the document body was heavily obfuscated, making it difficult to determine the exact nature of the lure. The primary IOC is the malicious redirector URL.

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%BB%D0%B5%D0%B7%D0%B3%D0%B8%D0%BD%D1%81%D0%BA%D0%B8%D0%B9+%D1%8F%D0%B7%D1%8B%D0%BA+%D1%81%D0%B0%D0%BC%D0%BE%D1%83%D1%87%D0%B8%D1%82%D0%B5%D0%BB%D1%8C&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4690/4690102_garri__potter__i_.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4690/4690185_pesnya__voyazh__na_.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4690/4690078_programma__razvitiya__shkoluy_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00054515.bin
6e00ecc20655366be550846b1da07aa70e1b004826f75f62853544c337d54f6b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54515 7976 bytes
font_01_sfnt_off00055bbb.bin
6807055b1b5dd3856fc2262fc2ab6fdf3706fedb31cdac800bfe8f08a26f25d4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55BBB 14424 bytes

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