Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e6ac04b533d755f…

MALICIOUS

PDF

183.7 KB Created: 2015-07-23 20:37:37 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 239892cddbe5fcfdf958d086e904c776 SHA-1: 77be3142c44fecc5ced814d5592defcd764bf5ff SHA-256: 0e6ac04b533d755f245b9fc462862a9b4d84b71151390ecb56e9d5b5ff277841
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware delivery. 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=%D0%BA%D0%BE%D0%B4+%D0%BD%D0%B0+%D1%82%D0%B0%D0%BD%D0%BA+%D0%B2+%D0%B3%D1%82%D0%B0+5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184584_shema_kubik_rubika_3h3.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184554_sims_3_polnaya_antologiya_19_v_1_skachat_torrent_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4183/4183195_lada_kalina_shema_yelektrooborudovaniya.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_off00023d42.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23D42 3556 bytes
font_01_sfnt_off00024ac5.bin
2a90bfd32c3733c34796d8c8125bb1abb070f3ad617e787b4fb15279d863467d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24AC5 14632 bytes
font_02_sfnt_off000278b8.bin
734a0e3b4f833bf65ef9aa9a76728ab53f12e51cd926d3a6291e3b266682b037		 pdf-font-stream PDF embedded font (sfnt) at offset 0x278B8 14640 bytes
font_03_sfnt_off0002a3eb.bin
af3fd88bdba8b890bfeb4ddb19d0ac30e3fc6501ca09dc3c9125fe991b1d5d0b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A3EB 6108 bytes
font_04_sfnt_off0002b4ec.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B4EC 6084 bytes
font_05_sfnt_off0002c481.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C481 3752 bytes

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