Malicious PDF — malware analysis report

Static analysis result for SHA-256 9958ceffc648f3a6…

MALICIOUS

PDF

184.9 KB Created: 2015-08-06 11:21:11 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 2fdda2e9d7c35e8b403c6e665059cb4e SHA-1: 30d778185aa85d6d0f7295a5b183bbc33a3f4ef9 SHA-256: 9958ceffc648f3a6fc66f6af02ce70fafc1cfd0b6499efd980657870619bcd37
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. The redirector URL is http://botcraftman.ru/?lip&keyword=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%84%D0%B8%D0%BB%D1%8C%D0%BC+%D0%BE%D0%B4%D0%B8%D0%BD+%D0%B4%D0%BE%D0%BC%D0%B0&charset=utf-8. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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+%D1%84%D0%B8%D0%BB%D1%8C%D0%BC+%D0%BE%D0%B4%D0%B8%D0%BD+%D0%B4%D0%BE%D0%BC%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305049_planirovka_doma_onlayn_programma.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4308/4308647_1s_upravlenie_torgovley_8_bazovaya_versiya_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4306/4306086_programma_dlya_redaktirovaniya_muzuyki_na_russkom_yazuyke.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024233.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24233 3556 bytes
font_01_sfnt_off00024fb6.bin
d0a6b00f9fea6addc186819ed074a5c2418e45c688c875d3dd7638d476a26b20		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24FB6 14464 bytes
font_02_sfnt_off00027cf9.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27CF9 14468 bytes
font_03_sfnt_off0002a7ab.bin
f5e902bec55cc30113d51ba56b9a1aa8b2a2747f1b94cd3f3d25c32f08bdeb93		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A7AB 6336 bytes
font_04_sfnt_off0002b9aa.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B9AA 6084 bytes
font_05_sfnt_off0002c93f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C93F 3752 bytes

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