Malicious PDF — malware analysis report

Static analysis result for SHA-256 415a995c71bdb3d1…

MALICIOUS

PDF

365.4 KB Created: 2015-08-29 13:48:14 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-09-24
MD5: b341a110c6e5ce49b480ffa137c3b926 SHA-1: 30ccc6199cd8c33200ba43049a71f0fbf111dfd8 SHA-256: 415a995c71bdb3d106873087a3175c2b5bd6d8822114e4a55ba3c61545f94ac9
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9955

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%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BC%D0%BE%D0%B4+smart+moving+%D0%B4%D0%BB%D1%8F+%D0%BC%D0%B0%D0%B9%D0%BD%D0%BA%D1%80%D0%B0%D1%84%D1%82+172&charset=utf-8 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830363_astral__doors__diskografiya_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4832/4832861_snip__42012002__gazoraspredelitelnuye_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830578_kak__razblokirovat_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000569e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x569E7 10616 bytes
SHA-256: bc7e97fab22e7ff04e90cdc20c9d23616f4abf02bc1a745889b02de9060cb5cc
font_01_sfnt_off000587e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x587E9 14792 bytes
SHA-256: 1c6f6ee371c2799fefbb1fe5522d0d50393515ca4984edd23469b7dee00ffa6b

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