Malicious PDF — malware analysis report

Static analysis result for SHA-256 bea7ecf6a48d265c…

MALICIOUS

PDF

372.8 KB Created: 2015-08-19 16:12:09 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-11-02
MD5: 2fe13813ac8c00ecca4cffefbdc4007b SHA-1: 1880fa7fdce3457480261242c617dff075e3b975 SHA-256: bea7ecf6a48d265ceb0c9290d31877abf0167070436f3257ff72d6b54548cf2d
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. The ML classifier also flagged this PDF with high confidence. While no scripts were directly extracted, the presence of a malicious URL strongly suggests a phishing or malware delivery attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9972

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%BF%D0%B8%D1%81%D1%8C%D0%BC%D0%BE+%D0%BF%D0%BE%D0%B4%D0%B4%D0%B5%D1%80%D0%B6%D0%BA%D0%B8+%D1%81%D0%BE%D1%86%D0%B8%D0%B0%D0%BB%D1%8C%D0%BD%D0%BE%D0%B3%D0%BE+%D0%BF%D1%80%D0%BE%D0%B5%D0%BA%D1%82%D0%B0+%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D0%B5%D1%86&charset=utf-8 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626663_skachat_kruyshi_dlya_sweet_home_3d.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4627/4627207_tehnika_zapominaniya_100_inostrannuyh_slov_v_chas_torrent.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4627/4627330_skachat_tabel_uspevaemosti_uchenika_nachalnoy_shkoluy.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000587a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x587A1 9744 bytes
SHA-256: 4ea0f73d184c08d71020ef7cf2303c064c276523f186b8bbf3ccc63838970bf7
font_01_sfnt_off0005a3a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A3A6 15360 bytes
SHA-256: 7c13880f70f841d330f0f3d02c42f3f4bdd802610e165bcfe7d316d1d14885c2

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