Malicious PDF — malware analysis report

Static analysis result for SHA-256 eeb27776e70482f7…

MALICIOUS

PDF

355.2 KB Created: 2015-08-29 11:53:07 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-07-07
MD5: 19796e37f02b233b79963432a4509e7a SHA-1: 402f0c6754694def4f6944d8d71fed088198c2f9 SHA-256: eeb27776e70482f785dd0c1225485ad63594d19717fec43dcce10c7c77bb7216
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, botcraftman.ru, which is likely intended to deliver a second-stage payload. The ML classifier also flagged this PDF with high confidence. The embedded URL is presented as a download for 'office 2003', indicating a social engineering lure.

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=pro11+msi+office+2003+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830870_vse__vse__formuluy_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830679_skachat__besplatno__yengri_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830723_kartinki__goluye__devushki_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00054111.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x54111 9412 bytes
SHA-256: 3f4caa4e170f8180715ac4237d7a3876e70dba291ec03faf3011d4e52baf3363
font_01_sfnt_off00055b5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55B5C 16460 bytes
SHA-256: 19f09df6f59eb3eeb083451ef4c7e30d1598f6ebd9de745ff052a7f875f14182

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