Malicious PDF — malware analysis report

Static analysis result for SHA-256 d8af443ec8c2c77f…

MALICIOUS

PDF

367.3 KB Created: 2015-08-26 09:49:38 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 68587b97e72124a48029367b3fe3fd10 SHA-1: 4d853e57232d50261d3fc4e4b0b4d1467aedd14c SHA-256: d8af443ec8c2c77fd0a30dd1dfaabe868110d8969029af1c2861852170fb0c5d
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=%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+%D0%B2+%D1%82%D1%8B%D0%BB%D1%83+%D0%B2%D1%80%D0%B0%D0%B3%D0%B0+2+%D0%B1%D1%80%D0%B0%D1%82%D1%8C%D1%8F+%D0%BF%D0%BE+%D0%BE%D1%80%D1%83%D0%B6%D0%B8%D1%8E&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751647_privetstvie__kvn_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751737_kak__povesit__lianu_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751586_programmuy__dlya__sozdaniya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00057714.bin
0a25cfbd760ba4a8e47acce957287a4eb9cf3973a524083c8dbb74f825a82db5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57714 8928 bytes
font_01_sfnt_off0005913d.bin
44baefd106437400e9b4718556ba32017ef9fed5597f15461417abecb5322028		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5913D 13912 bytes

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