Malicious PDF — malware analysis report

Static analysis result for SHA-256 83b40d8a079674a2…

MALICIOUS

PDF

358.7 KB Created: 2015-08-28 11:38:33 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 6c5f16f0be48a420c5bffb73017cd185 SHA-1: 69bcd4fe93d152e1ad689fa83023bc09195768c7 SHA-256: 83b40d8a079674a2bf792d57ad469f8cdcf5484a9aa00fccb037c49b6ac5a77c
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, which is presented as a download for the game 'Warface'. This indicates a phishing or malware distribution attempt. The PDF was authored by wkhtmltopdf, a tool often used to generate malicious PDFs. 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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B0%D0%B8%D0%BC+%D0%BD%D0%B0+warface&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802399_skachat__chit__na_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802514_dogovor__kupli__prodazhi_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802387_skachat__filmuy__v_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005581d.bin
2376b64309d12b6d322f1e058d75a08d1c90d3a0d03824a487f53fb407c5a62f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5581D 7528 bytes
font_01_sfnt_off00056cec.bin
da6146cc10f672432a71800e5e49aa365ade14cd6c214c33c473a7ef6527f953		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56CEC 14816 bytes

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