Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8eb0e74a1d79bde…

MALICIOUS

PDF

376.4 KB Created: 2015-08-30 09:54:56 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-07-02
MD5: ed69093f180c84c09c7684717961d092 SHA-1: 74adabe1cd068f2c0a18e57072f3ec443a07a274 SHA-256: f8eb0e74a1d79bdeb5deee307955ab6f8112e55bf33faee0d12ec3144a0edb9a
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a link to known malicious redirector infrastructure. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware distribution. No scripts were extracted, but the presence of a malicious URL is a strong indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9946

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%BD%D0%BE%D0%B2%D1%8B%D0%B9+%D0%BF%D1%80%D0%B0%D0%BA%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D0%B9+%D0%BA%D1%83%D1%80%D1%81+%D0%BA%D0%B8%D1%82%D0%B0%D0%B9%D1%81%D0%BA%D0%BE%D0%B3%D0%BE+%D1%8F%D0%B7%D1%8B%D0%BA%D0%B0+2+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4848/4848602_1s__roznica__20_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4851/4851760_malikadina____popurri_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4842/4842593_klyuch__dlya__igruy_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00059aab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59AAB 9508 bytes
SHA-256: afde8dd054d923b2a65e886fc4d317756f22ba453ba83bfede2a1249e7f88422
font_01_sfnt_off0005b57c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B57C 13924 bytes
SHA-256: 46e5a00203c3cba5ffcf634a885015ca8b887ba1d7305170927a0a9793016791

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