Malicious PDF — malware analysis report

Static analysis result for SHA-256 b1f0dd7c5cd3ae8f…

MALICIOUS

PDF

185.9 KB Created: 2015-07-24 11:00:01 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 15e905a76f0f8d97e76c7e6018ea8ebf SHA-1: e838a84807baeaea40e6d20472c0e7c8c2f596ea SHA-256: b1f0dd7c5cd3ae8faa28235e5738d631aaf104c8d3b8d4d382c99d2b9ce176e9
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. This indicates the document is likely a lure designed to redirect users to a malicious website for phishing or malware delivery. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific 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=%D0%B1%D1%80%D0%B0%D1%82+%D0%B7%D0%B0+%D0%B1%D1%80%D0%B0%D1%82%D0%B0+3+%D1%81%D0%B5%D0%B7%D0%BE%D0%BD+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189807_rabochaya_programma_po_geografii_5_klass_fgos_dronov_saveleva.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185392_gotovuye_chertezhi_po_inzhenernoy_grafike.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190733_programmuy_dlya_pereproshivki_android.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024545.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24545 3556 bytes
font_01_sfnt_off000252c8.bin
e4b5a87c8b6f02bb8b3335beffb9a83c32aed50dd5a1054a0951765293cd4746		 pdf-font-stream PDF embedded font (sfnt) at offset 0x252C8 14556 bytes
font_02_sfnt_off00028077.bin
fa9c2358358af2759b72d9ee87f1ca3b98fc0b41a40a3ee962dab4477c5ea70e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28077 14468 bytes
font_03_sfnt_off0002ab29.bin
c75a1e7807fc40692f21024daacddcc2c0682caa4284814b059389ad387b66c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB29 6576 bytes
font_04_sfnt_off0002bdd9.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BDD9 6084 bytes
font_05_sfnt_off0002cd6e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD6E 3752 bytes

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