Malicious PDF — malware analysis report

Static analysis result for SHA-256 a574207aa3f21512…

MALICIOUS

PDF

382.9 KB Created: 2015-08-20 07:48:00 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-11-02
MD5: d3051f59d5a8f4484d93612ad3232be5 SHA-1: d1c5f9de4f981f7721168fa4d2183547a205a657 SHA-256: a574207aa3f215129e25cc48a3eee1acfadea232e0084b278b3b4af6f6c2e035
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by multiple heuristics as malicious, specifically for containing a link to known malicious redirector infrastructure. The embedded URL points to 'botcraftman.ru', which is identified as a malicious redirector. While no scripts were extracted, the presence of this link strongly suggests an attempt to lure the user to a harmful destination, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9901

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%82%D0%B0%D1%80%D0%B8%D1%84%D1%8B+%D0%BD%D0%B0+%D1%81%D0%BE%D0%B4%D0%B5%D1%80%D0%B6%D0%B0%D0%BD%D0%B8%D0%B5+%D0%B6%D0%B8%D0%BB%D1%8C%D1%8F+%D0%B2+%D0%BD%D0%BE%D0%B2%D0%BE%D1%81%D0%B8%D0%B1%D0%B8%D1%80%D1%81%D0%BA%D0%B5+%D0%B2+2015+%D0%B3%D0%BE%D0%B4%D1%83&charset=utf-8 In PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4639/4639045_tekstuy_po_slogam_dlya_nachinayuschih_chitat_detey_raspechatat.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4638/4638871_skachat_igru_supersemeyka_1_cherez_torrent.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4639/4639148_skachat_java_64_bit_dlya_windows_xp_besplatno_32.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005ac9a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5AC9A 9256 bytes
SHA-256: 030b0b9439ac1d8b4cab1f4703a3187541f39058be8bb10bf4f8dbfe13f52261
font_01_sfnt_off0005c796.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C796 17140 bytes
SHA-256: 98d18d94bdaac4da78187fb5cdd3bb9d8f6eec538192b213e8fa5be5f3ea546c

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