Malicious PDF — malware analysis report

Static analysis result for SHA-256 0af2daf6d1cbdf9c…

MALICIOUS

PDF

374.4 KB Created: 2015-08-24 18:54:07 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 4100ed0a8ed808fb25be0fae2452e154 SHA-1: a891887e5bd85322e8b34e1af90239a628824553 SHA-256: 0af2daf6d1cbdf9c66a554a48a5887b1a6053b2292bc0923c3c9deb7eceba3be
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by multiple heuristics as malicious, including a critical alert for a redirector link. The embedded URL points to botcraftman.ru, which is identified as known malicious infrastructure. While no scripts were explicitly extracted, the PDF structure and the presence of a malicious link suggest an attempt to lure the user to a harmful site, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9948

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%B1%D0%B5%D0%BB%D0%B5%D0%BD%D1%8F+%D0%BC%D0%B5%D1%82%D0%B0%D0%BB%D0%BB%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D0%B5+%D0%BA%D0%BE%D0%BD%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%86%D0%B8%D0%B8+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4700/4700594_skachat__besplatno__programmu_.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4702/4702374_skachat__mod__na_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4705/4705804_skachat__delphi__2015_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00059095.bin
515de39441e4e47b437bd5d88eaaf70e2ea79ab78ed8c49a8a09051178c12a33		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59095 8420 bytes
font_01_sfnt_off0005a8f6.bin
b6fdfd314a999f404bb40d9c5b9fc1081ec8c921e69b4dadde098eb6bebe5340		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A8F6 16120 bytes

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