Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ff9f76adae83065…

MALICIOUS

PDF

363.3 KB Created: 2015-08-20 09:27:58 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 0227fd5ad5dfbb8b6f50d5096e4f86ee SHA-1: 7daa1c54a3d35628b88028981f6cf05332958ee8 SHA-256: 6ff9f76adae83065611ae82aed7df97d5df32024250252c25db44e1ca844af93
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded link to a known malicious redirector, botcraftman.ru. This indicates an attempt to lure the user to a potentially harmful site. While no scripts were explicitly extracted, the presence of a malicious URL strongly suggests a phishing or malware delivery attempt, aligning with the Spearphishing Attachment technique.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9965

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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B8%D0%B3%D1%80%D1%83+%D0%B3%D0%B0%D1%80%D0%B8%D1%81+%D0%BC%D0%BE%D0%B4+10+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4638/4638925_ozvuchivatel_teksta_onlayn.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4639/4639866_chit_kod_na_gta_4_na_dengi.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4639/4639941_corel_drawings_x3_skachat_besplatno.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00056522.bin
7266326da042d6a68d946116b1289b7b48b0ab4149301886c72d6028473597c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56522 8708 bytes
font_01_sfnt_off00057e8d.bin
03820f8f3b424e377a61cd826ffa6684a696dc165ab1dbec04f27c8aad2267c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57E8D 15520 bytes

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