Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd809ea199723cef…

MALICIOUS

PDF

344.6 KB Created: 2015-08-28 12:02:33 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 8c072af26ab40ecc78aea01c00f2c70a SHA-1: 5f4ba1b04452685caba4100969b5168efb3511b6 SHA-256: cd809ea199723cefa01a120a948cec8a98d6316661138a25f2cfad07b24b9020
60 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 infrastructure. The heuristic firing 'PDF_MALICIOUS_REDIRECTOR_LINK' directly indicates this malicious behavior. The embedded URL is the primary indicator of compromise, suggesting the document's purpose is to lure the user to a harmful site. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the exact lure.

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=can+opener+ios+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802697_chituy__na__war_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802429_counter__strike__xtreme_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802742_skachat__kartu__dlya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00051c47.bin
20d23742e168c89c81c258416a2d6f5532191fcc8ac3f65e05b2e1ea05596afc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51C47 8600 bytes
font_01_sfnt_off000533b2.bin
949b19f5f8878d94e7198b5db3e067d4689ed162d81daeb4fe4b81121e8cb707		 pdf-font-stream PDF embedded font (sfnt) at offset 0x533B2 16112 bytes

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