Malicious PDF — malware analysis report

Static analysis result for SHA-256 c953f161ea9460ad…

MALICIOUS

PDF

367.8 KB Created: 2015-08-29 01:50:53 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-10-14
MD5: 2e20b96d993799f989a6f0f58f96ccec SHA-1: efe50ae3f7a4e1985492f9262ab571d4ef17ae90 SHA-256: c953f161ea9460ad6413f6df05e2509b2fe407432af0f17884247111005004a8
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF document that contains an embedded URL pointing to a known malicious redirector. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware delivery. No scripts were extracted, but the presence of a malicious link is a strong indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9940

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%BA%D0%B0%D0%BA%D0%B8%D0%B5+%D1%8D%D0%BA%D0%B7%D0%B0%D0%BC%D0%B5%D0%BD%D1%8B+%D0%BD%D1%83%D0%B6%D0%BD%D1%8B+%D0%B4%D0%BB%D1%8F+%D0%BF%D0%BE%D1%81%D1%82%D1%83%D0%BF%D0%BB%D0%B5%D0%BD%D0%B8%D1%8F+%D0%B2+%D1%88%D0%BA%D0%BE%D0%BB%D1%83+%D0%BC%D0%B8%D0%BB%D0%B8%D1%86%D0%B8%D0%B8&charset=utf-8 In PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817890_programmuy__dlya__analiza_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817705_audiotool_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818014_vhodnuye__kontrolnuye__rabotuy_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000575d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x575D4 9004 bytes
SHA-256: 0fddd66be7419c715c956c8948f7b85731f843b6ad9762863ec174ef71c0a343
font_01_sfnt_off00058feb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58FEB 15112 bytes
SHA-256: fee662f7b86719b65e672b6875225d85c30b15ab742d4cab834e5401f96f9e54

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