Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc16ba45fca5c4cb…

MALICIOUS

PDF

376.0 KB Created: 2015-08-27 09:51:31 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: ee1603a5016c2f41890e85b693c1b4ad SHA-1: cad0b77c349bc34867a72a17c30fbeba92981eb9 SHA-256: bc16ba45fca5c4cbf65870277c5132f42f8effe07b0e1fab3503398c4e0f4363
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document was flagged by a machine learning classifier and contains a link to known malicious redirector infrastructure. The embedded URL points to 'http://botcraftman.ru/', which is identified as a malicious redirector. This suggests the PDF is intended to redirect the user to a malicious website, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

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%B0%D1%80%D0%B0%D0%B1%D1%81%D0%BA%D0%B8%D0%B5+%D0%B3%D0%BE%D0%BB%D1%8B%D0%B5+%D0%B4%D0%B5%D0%B2%D1%83%D1%88%D0%BA%D0%B8&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4771/4771890_vzlom__igruy__geroi_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4771/4771800_igo__primo__9_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4772/4772029_skachat__knigu__trinadcataya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00059716.bin
84e18cb8aa1d0f8380f9f8f6fdd78bd84702090eef54ab03d1ed2ce575075afc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59716 9052 bytes
font_01_sfnt_off0005b0d8.bin
34160612770a1380880c741445c3801b765e84415a09681d73fb888acbcfad6c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B0D8 15476 bytes

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