Malicious PDF — malware analysis report

Static analysis result for SHA-256 64dbc5e065715be3…

MALICIOUS

PDF

184.9 KB Created: 2015-07-23 21:22:19 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 1e2930f84d3e8c50a4138e60b5123cff SHA-1: ef6af1df27ed8a0f56edaca0e1ec4e963f6ea8ac SHA-256: 64dbc5e065715be384aa682720e7332d172942cc9c87aaa98064a9026a4ac14e
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by a machine learning classifier and contains a link to a known malicious redirector infrastructure. This indicates the document is likely part of a phishing or malware distribution campaign. 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%83%D1%81%D1%82%D0%B0%D0%BD%D0%BE%D0%B2%D0%B8%D1%82%D1%8C+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D1%83+%D1%8D%D0%BA%D1%81%D0%B5%D0%BB%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//4184/4184620_primeruy_kpi_dlya_rukovoditeley.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184759_sp_5131302009_s_izmeneniyami_2015_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184625_skachat_igru_lego_the_hobbit_2015_cherez_torrent_na_pk.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_off00023fc4.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23FC4 3556 bytes
font_01_sfnt_off00024d47.bin
c99ce540ebb06faf7622c57200d973dae961679cbd2a7315e83858fb5e5dd021		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D47 14904 bytes
font_02_sfnt_off00027bd4.bin
1a803d94510109e1c0ca4497b007617bc54bc3871f99963dd6d053fab28c84d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27BD4 14468 bytes
font_03_sfnt_off0002a688.bin
f78e3c22616b29f6bab0668975b898779cf6aa442e5e16d4e9b4898b94802cd5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A688 6764 bytes
font_04_sfnt_off0002b9fd.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B9FD 6084 bytes
font_05_sfnt_off0002c992.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C992 3752 bytes

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