Malicious PDF — malware analysis report

Static analysis result for SHA-256 0322c7c26d6794cb…

MALICIOUS

PDF

184.6 KB Created: 2015-08-06 14:44:43 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c3abd1a96f6bf0223239569f6bdc6f9e SHA-1: 3285e60b0f7449cd3d17266df5fc622042592c04 SHA-256: 0322c7c26d6794cb4d2b843d452a10856ee3adcf3e53a39cf7a4d5f90cd67317
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/, is likely part of a phishing or malware distribution chain. No scripts were extracted from this sample, and the document body was truncated and unreadable.

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=anno+2070+%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/6//4309/4309709_shirokoformatnuye_oboi_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4306/4306439_vyazanie_kosuynok_spicami_shemuy_i_opisaniya.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4307/4307675_stalker_zov_pripyati_dezertir_prohozhdenie.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_off00024024.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24024 3556 bytes
font_01_sfnt_off00024da7.bin
7f182f4671c004303bc60443a6d2465bcd222b4d05d5ea87d0d81cf7aab55db7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24DA7 14628 bytes
font_02_sfnt_off00027afe.bin
5880ff7ac34cd40e99c5c284320a2cf8dda07910fe9e3852dd7f924bc2601bcb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27AFE 14512 bytes
font_03_sfnt_off0002a5e1.bin
659aa14756913ba3143a6c93747f533c7109c970262fe2fab044815496ec6573		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A5E1 6560 bytes
font_04_sfnt_off0002b89f.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B89F 6084 bytes
font_05_sfnt_off0002c834.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C834 3752 bytes

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