Malicious PDF — malware analysis report

Static analysis result for SHA-256 753743092c2460c6…

MALICIOUS

PDF

186.7 KB Created: 2015-07-25 12:26:00 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 080516d565fc5646cf1c646a3153a0da SHA-1: 7ac2bc15fff86881e6d68a307e72dc1e7c70da55 SHA-256: 753743092c2460c673709ebeb9a20e12b148548f2e4428eeff31006ce0f146e3
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 critical heuristic indicating a malicious redirector link. The embedded URL `http://botcraftman.ru/...` points to known malicious infrastructure. This suggests the document is designed to redirect users to a harmful site, likely for malware distribution or phishing. No scripts were extracted, but the presence of the malicious URL is sufficient evidence 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%B0%D1%80%D0%BC%D0%B0%D1%88%D0%B5%D0%B2+%D1%87%D0%B8%D1%81%D1%82%D0%B8%D0%BB%D0%B8%D1%89%D0%B5+%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://img0.liveinternet.ru/images/attach/c/5//4198/4198048_skachat_moduy_dlya_farming_simulyator_2015_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4199/4199631_skachat_vk_na_telefon_java.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4197/4197620_buhgalterskiy_balans_ego_stroenie_i_soderzhanie.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_off00024731.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24731 3556 bytes
font_01_sfnt_off000254b4.bin
de2070a7b392c4b49d772bba142847f15ce7e209faa5e81b6a1a0f7952f4489c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x254B4 14880 bytes
font_02_sfnt_off000282cd.bin
c521cb7f32363069232cb6cf023e13d81dfc7f2346484feaa89f0b3c8cd570ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x282CD 14520 bytes
font_03_sfnt_off0002ad9f.bin
4b4902c94875c5878397feb17ab87d2dd0e7664edf479f55068b5ed4e790c962		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD9F 6792 bytes
font_04_sfnt_off0002c11f.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C11F 6084 bytes
font_05_sfnt_off0002d0b4.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D0B4 3752 bytes

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