Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ae929b27f0b973f…

MALICIOUS

PDF

365.9 KB Created: 2015-08-19 20:25:41 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-11-20
MD5: 91094fabb254b3ee41b3279c81537d98 SHA-1: ba35e55a0dcbed006146efd10c00924eded84bd2 SHA-256: 6ae929b27f0b973f8616001890453792856c644adaed6c511ffebe8013ec9676
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded link that redirects to a known malicious domain, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The ML classifier also flagged the document with high confidence. While no scripts were explicitly extracted, the presence of a malicious redirector suggests an attempt to lure the user to a site that likely hosts further malicious content or exploits.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9978

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%93%D0%B0%D0%B7%D0%BE%D0%B2%D0%B0%D1%8F+%D0%BF%D0%BB%D0%B8%D1%82%D0%B0+%D0%BA%D0%B0%D1%80%D0%BF%D0%B0%D1%82%D1%8B+17+%D0%B8%D0%BD%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%86%D0%B8%D1%8F&charset=utf-8 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626730_spore_dark_injection_v9.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4628/4628232_winusbcompatzip_skachat.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4628/4628132_pismo_podderzhki_socialnogo_proekta_obrazec.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00056b01.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56B01 8428 bytes
SHA-256: 408c09f76d6fd9b30d696749a4be43328d09fff818f2c377715232a5f22e6314
font_01_sfnt_off00058352.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58352 17496 bytes
SHA-256: 7641649a8ec87eaf7124e908cc1405265e712ea792364362915b62787739eee9

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