Malicious PDF — malware analysis report

Static analysis result for SHA-256 b4fcf364f297525f…

MALICIOUS

PDF

186.9 KB Created: 2015-07-24 14:03:23 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 70b909896cd6d6244bb5204ed3e08aaa SHA-1: 7e19c8da35177a4aee6c30f976c5ad21ece0b725 SHA-256: b4fcf364f297525f67ae6389651a541a271105d61770aec0e1645ade5816093b
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL `http://botcraftman.ru/...` is identified as malicious. While no scripts were extracted, the presence of this malicious link suggests the document's purpose is to redirect users to a potentially harmful site. The file was authored using wkhtmltopdf, which is sometimes used to generate malicious PDFs.

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%B4%D0%B0%D0%B1+%D1%81%D1%82%D0%B5%D0%BF+%D0%BC%D1%83%D0%B7%D1%8B%D0%BA%D0%B0+2014+%D1%81%D0%BB%D1%83%D1%88%D0%B0%D1%82%D1%8C+%D0%B8+%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+%D0%B0%D0%BB%D1%8C%D0%B1%D0%BE%D0%BC&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192662_skachat_launcher_maynkraft_s_modom_industrial_kraft_2.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192170_skachat_tochnuyu_kopiyu_moda_advance_rp.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187190_arhikad_17_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024683.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24683 3556 bytes
font_01_sfnt_off00025406.bin
1f1bee354bf6b43db01de85b1650793ba9776b5924a9f873d6833f79fc0550db		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25406 14864 bytes
font_02_sfnt_off000281fa.bin
6a67236421a8043fbd84eecf84a1acfccae713f971d72e0b0c3f1908da869d20		 pdf-font-stream PDF embedded font (sfnt) at offset 0x281FA 14520 bytes
font_03_sfnt_off0002acce.bin
86b1f480376d58e2fc593e6b61ec4ed0f7363aa346ed183474b312383615ae05		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ACCE 7144 bytes
font_04_sfnt_off0002c1b1.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C1B1 6084 bytes
font_05_sfnt_off0002d146.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D146 3752 bytes

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