Malicious PDF — malware analysis report

Static analysis result for SHA-256 80043f5fc584c168…

MALICIOUS

PDF

366.0 KB Created: 2015-08-26 11:38:00 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 4b4ecad2d4798dc6ce599e4a66cbdd90 SHA-1: fa04a8aab6cbd68fd82b52a33eef02312f378f16 SHA-256: 80043f5fc584c168f7afd7d78c5a75080bc8fc1ec7d1fac1c0eb891ecde0e435
60 Risk Score

Malware Insights

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

The PDF file contains an embedded link to a known malicious redirector. The document body, though heavily obfuscated, appears to be related to software downloads, suggesting a lure to trick users into clicking the malicious link. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' directly indicates the presence of malicious infrastructure.

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=windows+81+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+rus+%D0%B0%D0%BA%D1%82%D0%B8%D0%B2%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%BD%D0%B0%D1%8F+2015&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752917_delo__rumyanceva__skachat_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751633_skachat__knigu__po_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752879_skachat__gta__sanandres_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00056d70.bin
9822318bba8a1132b349f7283e0afd5d411d363048092a1cfc74f8186fbcc1c7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56D70 9532 bytes
font_01_sfnt_off0005884e.bin
9e754f9f914290396637671a101321dec0968f00f1edf2e9a97819fb0e8a2274		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5884E 15288 bytes

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