Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c2db218273805d1…

MALICIOUS

PDF

362.3 KB Created: 2015-08-26 15:28:05 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: eb932633ce1c3ecdc5b46f0aa60d35f9 SHA-1: d866165c2850f2ac22fa544a87d5d6c5afbfd57d SHA-256: 6c2db218273805d162c42ca45d6b43ad6edd26c620c03c7e3941f668f7402b03
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URL that is flagged as a malicious redirector. The ML classifier also strongly indicates maliciousness. This suggests the document is designed to lure the user to a compromised or malicious website, likely to deliver a secondary payload or conduct phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9955

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%82%D0%B5%D0%BE%D1%80%D0%B8%D1%8F+%D0%B3%D0%BE%D1%81%D1%83%D0%B4%D0%B0%D1%80%D1%81%D1%82%D0%B2%D0%B0+%D0%B8+%D0%BF%D1%80%D0%B0%D0%B2%D0%B0+%D0%B2+%D1%81%D1%85%D0%B5%D0%BC%D0%B0%D1%85+%D0%B8+%D1%82%D0%B0%D0%B1%D0%BB%D0%B8%D1%86%D0%B0%D1%85+%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://img1.liveinternet.ru/images/attach/c/7//4757/4757397_supremacy__mma__ps3_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752613_smotret__tureckie__filmuy_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751548_skachat__drayver__na_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00055d1b.bin
5f817889b4216776a61d88fc7bf790d781845b31e5371dee7e97e60c6ec77bf2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55D1B 8472 bytes
font_01_sfnt_off000575a4.bin
aad535fb6e31232f8f60243bb6fa573efbc36f654f11337dd4e317dcbdba6766		 pdf-font-stream PDF embedded font (sfnt) at offset 0x575A4 17196 bytes

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