Malicious PDF — malware analysis report

Static analysis result for SHA-256 2359f5e8b8fb2feb…

MALICIOUS

PDF

362.3 KB Created: 2015-08-29 01:23:21 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-11-25
MD5: d1111ea0e0fc5973a57334e88f2ad3b6 SHA-1: af8980bd3222c5a8a3e3f862813adb016985db61 SHA-256: 2359f5e8b8fb2febccd48500242631f0bdf4955ca8bcd99fdfbd39269223f4a2
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded link to a known malicious redirector, botcraftman.ru. This indicates the document is designed to lure users to a malicious site, likely for phishing or to download further malware. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9979

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=fallout+new+vegas+%D0%BC%D0%BE%D0%B4%D1%8B+%D0%BF%D1%80%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8&charset=utf-8 In PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817560_skachat__torrent__monstruy_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818040_skachat__hsel_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817932_buruyy__medved__krasnaya_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00055ddd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55DDD 9960 bytes
SHA-256: f4da14ebe293548a09e4e19561e9d0d4014f15e25d49e120cd46ff884af8c324
font_01_sfnt_off0005799e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5799E 15564 bytes
SHA-256: d18aa8c57bb60d4782959b345f2a59023868aceea61cde7fafee582ed50c350f

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