Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c9ba9205cee6600…

MALICIOUS

PDF

183.6 KB Created: 2015-08-08 10:41:12 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: be6f5a86e26fe35c42c2aff167a72af3 SHA-1: 1821b79e145d8b3d37d2bd9194be4e9c978b23d3 SHA-256: 6c9ba9205cee660076955f85ecc51d98572f6c21faa99f6d9bad9ee1b3bfa4c9
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a critical heuristic for containing a malicious redirector link. The ML classifier also strongly indicated maliciousness. The embedded URL points to 'botcraftman.ru', which is associated with malicious redirector infrastructure. This suggests the document's primary purpose is to redirect users to a harmful site, likely for further exploitation or phishing.

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%81%D0%B8%D0%BC%D1%81+3+%D0%BA%D0%B0%D1%80%D1%8C%D0%B5%D1%80%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385733_tafsir_alkurtubi_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386154_programma_chercheniya_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383778_tekst_pesni_banana_mama.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_off00023de0.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23DE0 3556 bytes
font_01_sfnt_off00024b63.bin
ab2f36f31f69eddeaedc3f1c31f596298a889bf7c4346bf06f5d4e37206e9060		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24B63 14208 bytes
font_02_sfnt_off00027811.bin
8fcb0373def2089f4050d604114efab1fb90fd41090bcaab965e0072af246115		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27811 14468 bytes
font_03_sfnt_off0002a2bd.bin
ba101f62ca099416217b5db3083222a919e8eca9785ea0674a98559e82e42616		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A2BD 6276 bytes
font_04_sfnt_off0002b474.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B474 6084 bytes
font_05_sfnt_off0002c409.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C409 3752 bytes

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