Malicious PDF — malware analysis report

Static analysis result for SHA-256 742704db6a14b52e…

MALICIOUS

PDF

187.1 KB Created: 2015-08-08 10:44:38 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 7e547a7c39d4a8712420fdd4dbc80a59 SHA-1: bb2a4a001752cb06c93141dfa5c3e44652a7008f SHA-256: 742704db6a14b52e70db3c965c83bbd59c887e23439424a927500193cf451ee7
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics as malicious, including a critical alert for a link to a known malicious redirector. The embedded URL points to 'botcraftman.ru', which is associated with malicious activity. While no scripts were explicitly extracted, the PDF structure and the presence of malicious links suggest an attempt to lure the user to a harmful site, likely for phishing or malware delivery.

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=%D0%B6%D0%BE%D1%85%D0%BE%D0%B2+%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D0%B9+%D1%82%D1%80%D0%B5%D0%BD%D0%B0%D0%B6%D0%B5%D1%80+5+%D0%BA%D0%BB%D0%B0%D1%81%D1%81+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385411_ilyuhina_pismo_s_sekretom_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385977_korporaciya_monstrov_3d_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385030_dogovor_na_vozmeschenie_rashodov_po_oplate_kommunalnuyh_uslug.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024586.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24586 3556 bytes
font_01_sfnt_off00025309.bin
9b6cc684387bb0615419447c198079a589099a7cd85e806e1687745d88e21db6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25309 14948 bytes
font_02_sfnt_off000281e5.bin
a2e0064a385bb8ea36d08e4ff4273414193b8fdec07ccb25c815383d5ed16418		 pdf-font-stream PDF embedded font (sfnt) at offset 0x281E5 14944 bytes
font_03_sfnt_off0002ae0a.bin
7770c994f61690b73119edc560f8d5581239155f81bd94b634438bb1918af4b6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AE0A 7104 bytes
font_04_sfnt_off0002c29f.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C29F 6084 bytes
font_05_sfnt_off0002d234.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D234 3752 bytes

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