Malicious PDF — malware analysis report

Static analysis result for SHA-256 034d1a904e2fbabd…

MALICIOUS

PDF

184.4 KB Created: 2015-07-25 12:16:07 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 9f4dfd38ce214726ea07ad7b0815cbc2 SHA-1: 01531de22561f0644bf2f2a0c60f2c92563a50d2 SHA-256: 034d1a904e2fbabd6c43b78081c5d29f94a24b1aed180ea5a6fb4e836da274de
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

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. Although no scripts were explicitly extracted, the PDF structure and embedded URL suggest a malicious intent to redirect users to potentially malicious content.

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=50+%D0%B7%D0%B0%D0%BA%D0%BE%D0%BD+%D0%B2%D0%BB%D0%B0%D1%81%D1%82%D0%B8+%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/5//4185/4185449_svatuy_skachat_vse_sezonuy_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4199/4199557_skachat_partishen_myedzhik_na_russkom.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4196/4196716_fifa_2015_psp_skachat.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_off00023db6.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23DB6 3556 bytes
font_01_sfnt_off00024b39.bin
a475e339a4c288ae47329312d0ce576aa7d473432d774efd2be02fd13c0dec4d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24B39 15188 bytes
font_02_sfnt_off00027a5e.bin
b58a3f65a835e51878bc626920fee102a076d2956e33c3b4835bdd8620330d8b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A5E 14640 bytes
font_03_sfnt_off0002a594.bin
2e8085af288d2e78c259f28442b51e1dcab06703d942807f57cadbf33097c79a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A594 6444 bytes
font_04_sfnt_off0002b7e6.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B7E6 6084 bytes
font_05_sfnt_off0002c77b.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C77B 3752 bytes

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