Malicious PDF — malware analysis report

Static analysis result for SHA-256 6693d0eb67fd30b0…

MALICIOUS

PDF

185.4 KB Created: 2015-07-24 09:07:17 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 67b6b8aeeef47bae802e59d830454bc6 SHA-1: 90eaa24f7e341ecc7f5cca6534c112d3f48512fa SHA-256: 6693d0eb67fd30b032b47150e047d46da21b2660bfc51530c7cbf55b5c951779
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 distribution. 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%80%D0%B0%D0%B4%D0%B8%D0%BE%D0%BA%D0%BE%D0%BD%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%82%D0%BE%D1%80+2015+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185586_peregudova_osmanova_vvodim_zvuki_v_rech_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184591_windows_7_64_bit_maksimalnaya_x64_skachat_torrent_2014.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187282_nsr_reader_polnaya_versiya_skachat_besplatno.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_off0002413c.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2413C 3556 bytes
font_01_sfnt_off00024ebf.bin
ea5b0621bc952781482cc6d5b648817729e1a1c899210e1f942092e24baa18b1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24EBF 14640 bytes
font_02_sfnt_off00027c48.bin
b4e7262d3c265b9c03968570e6910e5029d70de81bf1212fa54e1ea61326de8e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C48 14640 bytes
font_03_sfnt_off0002a77f.bin
736138c001b20ce75f3018a1a86124133739e6959c73beb0729cfbfcee4d8a42		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A77F 6960 bytes
font_04_sfnt_off0002bbce.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BBCE 6084 bytes
font_05_sfnt_off0002cb63.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CB63 3752 bytes

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