Malicious PDF — malware analysis report

Static analysis result for SHA-256 4c53fed89a369d57…

MALICIOUS

PDF

357.7 KB Created: 2015-08-21 09:18:41 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 61aa13451955ca2f0f5ed1bd5142d209 SHA-1: 7e13ded7dec19bc9981914e8a69384fd0a24493f SHA-256: 4c53fed89a369d575e1790a8f5f8abbce317bd15de3d1f4afee1d8e256c29f7c
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, indicating an attempt to lure the user to a harmful site. The document body is heavily obfuscated and unreadable, but the presence of the malicious URL is a strong indicator of malicious intent. No scripts were extracted from this sample.

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%A7%D0%B8%D1%82%D1%8B+%D0%BD%D0%B0+%D0%B8%D0%B3%D1%80%D1%83+%D0%B2%D0%BA%D0%BE%D0%BD%D1%82%D0%B0%D0%BA%D1%82%D0%B5+music+wars&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654734_notuy_dlya_detskogo_hora_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654741_koduy_oshibok_na_opel_vektra_a.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654744_skachat_mod_tropik_kraft_na_maynkraft_152.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00055069.bin
75cbf1dcccb09b8dbc8af14893cc363d03ce10b7628a73974c64ef8d84e7ed48		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55069 9004 bytes
font_01_sfnt_off000569cf.bin
ec44403da54454d8b785b3da515ac115af4e281efbc73f44cfa655f77243978c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x569CF 14424 bytes

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