Malicious PDF — malware analysis report

Static analysis result for SHA-256 758b5aa4e8bd340d…

MALICIOUS

PDF

357.3 KB Created: 2015-08-24 00:19:17 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 6181c668b0fc3f15c1664ae471a9fcb9 SHA-1: dcc3f9f6c71df8d5f572dc6603bd5a9e1dc9c4bf SHA-256: 758b5aa4e8bd340d16cf31f43832e0f057ea0ee32338106eb91060cd7f477c41
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 URL, indicating an attempt to lure the user to a harmful site. The document body is heavily obfuscated and does not provide clear textual clues, but the presence of the malicious URL is a strong indicator of malicious intent. No scripts were extracted from this sample.

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%81%D0%B4%D0%B5%D0%BB%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BA%D0%BE%D0%BD%D0%B5%D1%87%D0%BD%D1%8B%D0%B9+%D1%81%D0%B5%D1%80%D0%B4%D0%B5%D1%87%D0%BA%D0%B8+%D0%B2+%D0%B1%D1%83%D1%82%D1%8B%D0%BB%D0%BE%D1%87%D0%BA%D0%B5+%D0%B2%D0%BA&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693831_zverdvd__2014__alkid_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693753_scenariy__vuypusknogo__11_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693037_skachat__obnovlenie__prestigio_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00054b3b.bin
668b4719a420f92e93b6d30bb4f238e7df4cd6b2fedaa8fa3d16e7f0bd067803		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54B3B 7848 bytes
font_01_sfnt_off00056193.bin
01f43d8b37973c97f457edbcf1fc6e06f3e9e0b317d40f8691a22e075e12517b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56193 16856 bytes

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