Malicious PDF — malware analysis report

Static analysis result for SHA-256 5f29df9c61c9b770…

MALICIOUS

PDF

187.0 KB Created: 2015-08-08 11:48:56 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 7eb2f419a8da5d8a88987132f366276d SHA-1: bc1e07146ddb54c89282cc86e964e8293729e510 SHA-256: 5f29df9c61c9b770b85d2e194ad5221ce64673e5fd7d6d4b1490ea7f8ce7627d
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged as malicious by an ML classifier and contains a link to known malicious redirector infrastructure. This suggests the document is intended to lure users to a malicious site, likely for further exploitation or phishing. No scripts were extracted, but the presence of a malicious URL is a strong indicator of malicious intent.

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%82%D0%B5%D0%BA%D1%81%D1%82+%D0%BF%D0%B5%D1%81%D0%BD%D0%B8+%D0%B1%D0%B0%D0%BD%D0%B4%D0%B5%D1%80%D0%BE%D1%81+%D0%BC%D0%B0%D0%BD%D1%85%D0%B5%D1%82%D1%82%D0%B5%D0%BD&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4387/4387955_kak_sdelat_igru_na_android_v_game_maker.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386888_kak_skachat_dubl_gis_na_telefon.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384708_zachem_balans_v_letual.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_off000249af.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x249AF 3556 bytes
font_01_sfnt_off00025732.bin
b21805589cd19c4f0b44b14057923e08092dbe3042a3edaa056c3d6dca0b1223		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25732 14664 bytes
font_02_sfnt_off000284c9.bin
0627de34e839737c03af0d9f30945bab194dadec018a1d0b90d3566f99dbb150		 pdf-font-stream PDF embedded font (sfnt) at offset 0x284C9 14532 bytes
font_03_sfnt_off0002afb8.bin
1f38fd0604ee1b7ab85313c808140d2ea2636ce0d3e11cd6737e542d4fd170cd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AFB8 6452 bytes
font_04_sfnt_off0002c202.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C202 6084 bytes
font_05_sfnt_off0002d197.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D197 3752 bytes

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