Malicious PDF — malware analysis report

Static analysis result for SHA-256 be1aeaedc9d8754c…

MALICIOUS

PDF

348.4 KB Created: 2015-08-19 16:31:55 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-11-02
MD5: 36f2595553a8fdc132f282d6d593d1e0 SHA-1: 8f1232f4b0db852d0c887bf99336145904290e2f SHA-256: be1aeaedc9d8754c91cb118402a0c9a923b1ed41b51e2b5c676914b7139fa07d
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to known malicious redirector infrastructure, indicating an attempt to lure the user to a harmful site. The ML classifier also strongly flagged this PDF as malicious. While no scripts were extracted, the presence of a malicious URL is a high-confidence indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%BC%D1%83%D0%BB%D1%8C%D1%82%D0%BA%D0%BE%D0%BD%D1%86%D0%B5%D1%80%D1%82+%D1%87%D0%B0%D1%81%D1%82%D1%8C+1+%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+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4628/4628232_winusbcompatzip_skachat.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4627/4627422_sims_4_skachat_na_kompyuter.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626958_skachat_windows_7_64_bit_s_drayverami_cherez_torrent_2015.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000527bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x527BC 8252 bytes
SHA-256: 241ad018e9221c30c92442c96b89d401327c6e73f20868e4c16ab6d4fdadac4f
font_01_sfnt_off00053fb5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x53FB5 16512 bytes
SHA-256: 25658bae39b2cf2ee90362ce8b9d1b358109cc883cf4196a2bbafae7a2dfa4d8

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