Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ea33541e0a86d99…

MALICIOUS

PDF

73.4 KB Created: 2021-03-29 03:51:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4e5a8eba5eb8a826a45e7a447dc25b26 SHA-1: 541c6bc526029d0c96dea89f8eb27c721f125fd8 SHA-256: 5ea33541e0a86d99a611f4802ceb150628081002151e5783833fefa5b9f1f1fb
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The embedded URI and numerous other URLs suggest a phishing or credential harvesting attempt, likely disguised as a file download lure. No scripts were extracted from this sample, limiting the analysis of its specific execution behavior.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9947

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 https://jumiwimov.ru/award?keyword=bio+data+format+pdf+file+download
    • https://cdn.sqhk.co/waketeni/jbRjbvF/lapidugepodutopapetenowi.pdf
    • https://cdn.sqhk.co/wamamuli/iCjamge/free_games_download_for_pc_windows_8.pdf
    • http://gamedv.design/84396293742sx1yy.pdf
    • https://cdn.sqhk.co/kozutani/geIgEIv/dabajid.pdf
    • https://cdn.sqhk.co/pawekenu/chjEiaV/86409590236.pdf
    • http://xojuxelase.medianewsonline.com/19994355074.pdf
    • http://raisinshub.club/70s_80s_dance_musicryi1d.pdf
    • https://cdn.sqhk.co/lebexuzo/hijghfg/81915550911.pdf
    • http://siwupezomejen.getenjoyment.net/52216318993.pdf
    • https://cdn.sqhk.co/tiluzegata/ibhgLhh/monkey_bar_rungs_bunnings.pdf
    • http://resokipuga.getenjoyment.net/ethical_hacking_certification_book.pdf
    • http://bufo.online/oxford_dictionary_full_download9l24w.pdf
    • http://legionmone.xyz/science_dictionary_english_to_hindi_free_download2d9da.pdf
    • https://cdn.sqhk.co/ritapabinap/FhjmCcq/animated_wallpaper_free_for_android_phone.pdf
    • http://tanemazijafawin.medianewsonline.com/mitak.pdf
    • https://cdn.sqhk.co/fapewakuw/aYhhjfT/bleacher_report_college_football_week_7_2019.pdf
    • http://boost-shop.xyz/xokoberetolipikowimoju6qh7h.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/xazarujokemus/98610317684.pdf
    • http://lawiferow.myartsonline.com/libros_sobre_aceites_esenciales.pdf
    • https://s3.amazonaws.com/sojuravewi/tomcat_8._5._23.pdf
    • https://s3.amazonaws.com/tipikaxe/saduxiwe.pdf
    • https://s3.amazonaws.com/zobuwubedak/koxebaramijagedom.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f510.bin
19d25fc368f398da22db7c29539fcf3ea0ac82081e4ef351c40b647b152013c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF510 5152 bytes
font_01_sfnt_off00010694.bin
1edb43b99be25e92523403f1f2687f5dca432222de66937b9162b8fe501be2f1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10694 10864 bytes

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