Malicious PDF — malware analysis report

Static analysis result for SHA-256 122cec6137dbbb29…

MALICIOUS

PDF

354.9 KB Created: 2015-08-29 12:09:41 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-07-07
MD5: e319139fa2c9d7c900c38e7c41915c69 SHA-1: 28a30f69d34a87760bf91c2ed2ef014728c4d532 SHA-256: 122cec6137dbbb29f9394b161f8eef8af8f026f459ad6d701a57086c44a18606
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The ML classifier also strongly flagged this PDF as malicious. The embedded URL, http://botcraftcraftman.ru/..., is the primary indicator of malicious intent, likely serving as a lure for phishing or to download further malicious content.

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%BF%D0%B5%D1%80%D0%B5%D0%BD%D0%BE%D1%81+%D0%B8%D0%BD%D1%84%D0%BE%D1%80%D0%BC%D0%B0%D1%86%D0%B8%D0%B8+%D0%BD%D0%B0+%D0%BD%D0%BE%D0%B2%D1%8B%D0%B9+iphone&charset=utf-8 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830241_skachat__foto__goluyh_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830310_03zr41000p_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4831/4831122_skachat__fl__studio_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000545d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x545D6 8800 bytes
SHA-256: 8c5d106b3af55011a7650168a12f4dee9c26b3b39a0ef39b0e1c0bb1ebfd8b75
font_01_sfnt_off00055e06.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55E06 14844 bytes
SHA-256: b2ee06c11ba735c4132089c050bf04ee0168378afb262622dd4e1bed99abf499

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