Malicious PDF — malware analysis report

Static analysis result for SHA-256 c14bbc6881543d88…

MALICIOUS

PDF

382.5 KB Created: 2015-08-29 01:51:55 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 81eb7e43120ba2d812b98f00d6fc6e4c SHA-1: 6e020a4e3507e3ffdfcb884755b73c078b07c8c9 SHA-256: c14bbc6881543d88dda3c98ce5f47b2220be02d2653c2f74ec82a92a6039fab1
60 Risk Score

Malware Insights

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

The PDF file was identified as malicious due to a critical heuristic firing for a link to a known malicious redirector. The embedded URL, http://botcraftman.ru/..., is likely the initial stage of a phishing or malware delivery chain. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

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%BC%D1%83%D0%BB%D1%8C%D1%82%D1%84%D0%B8%D0%BB%D1%8C%D0%BC+%D1%82%D0%B0%D1%87%D0%BA%D0%B8+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817518_igra__spanch__bob_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817975_skachat__pobeg__iz_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818416_roberto__cacciapaglia_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005af3a.bin
119e2a7ea81304ddbd92a2779fd8c91e99bf0ddd9e9e9f71d665bc02e46ef7b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AF3A 9224 bytes
font_01_sfnt_off0005c976.bin
0aaf0e8e427d1f78fef3e2e42f702feb550894a6e20e3400e278e66c64f87012		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C976 16200 bytes

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