Malicious PDF — malware analysis report

Static analysis result for SHA-256 53f446f9fe4a9abc…

MALICIOUS

PDF

358.1 KB Created: 2015-08-27 09:49:35 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 909f88f201c02cb95e9e103ed3d9589c SHA-1: 6a44191cefe9664753d0e2fef81817bd40cc1018 SHA-256: 53f446f9fe4a9abcbd4088e7585dffd9339a4157b7f88ecb6914c2b0a9b32a9c
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, botcraftman.ru. This indicates an attempt to direct the user to a site that likely hosts malware or phishing content. The document body, though heavily obfuscated, appears to contain references to 'winlocker builder', suggesting a potential connection to ransomware or locker-type malware. No scripts were extracted, limiting further analysis of the execution chain.

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+winlocker+builder+v04+%D0%B1%D0%B5%D0%B7+%D0%B2%D0%B8%D1%80%D1%83%D1%81%D0%BE%D0%B2&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4772/4772050_mirovoe__soglashenie__o_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4771/4771876_psihologicheskie__testuy__pri_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4771/4771950_mafiya__2__dlya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00054bb2.bin
9daadfc8e1793851de79400521c62e84b5322970e47c9b3cb67d28727033066a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54BB2 9824 bytes
font_01_sfnt_off000566aa.bin
122d7381148f13571722556183d121892f5801fe5711175c96ab6c29ec351b16		 pdf-font-stream PDF embedded font (sfnt) at offset 0x566AA 16264 bytes

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