Malicious PDF — malware analysis report

Static analysis result for SHA-256 5969dd75e7dd37c3…

MALICIOUS

PDF

184.9 KB Created: 2015-08-08 13:01:20 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 03a2c6116e84a6715b38ab4e597fa16e SHA-1: 684acbfbdd625dcaab9dfc76b1135391ffb0ed74 SHA-256: 5969dd75e7dd37c34ca3f6db8824dc16a7a8cef2aa2e0160e63e7d03de9c4730
90 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

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+%D0%BD%D0%B0%D1%81%D0%BB%D0%B5%D0%B4%D0%B8%D0%B5+2+fb2&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386818_programma_dlya_sozdaniya_tem_dlya_iphone.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386480_kniga_tatyanuy_ustinovoy_tverskaya_8_skachat_besplatno_fb2.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386991_skachat_film_mehanik_na_telefon.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002412a.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2412A 3556 bytes
font_01_sfnt_off00024ead.bin
81cd2696f76f1cf42e50503177f0e9c326df14f3031f104d59d93fc772b6f61d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24EAD 14292 bytes
font_02_sfnt_off00027bf2.bin
fcae2e42041137d3d9fd5faf7698950be4d4b56afe8b24231e5ec8f7b8a79ed5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27BF2 14696 bytes
font_03_sfnt_off0002a75e.bin
b442c895854e67982e79c74922bdc8212a1909ed88da3e716ae21442ac5baf65		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A75E 6440 bytes
font_04_sfnt_off0002b9bf.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B9BF 6084 bytes
font_05_sfnt_off0002c954.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C954 3752 bytes

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