Malicious PDF — malware analysis report

Static analysis result for SHA-256 28505c1ad527d935…

MALICIOUS

PDF

61.3 KB Created: 2021-03-18 01:29:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 56d739ed7acc9bda33ae50bb01dc4f94 SHA-1: 6eb64eb8cba4af19e43739a4a245776e432e9e00 SHA-256: 28505c1ad527d9358baae22cc17c2b1d27c9cd7760e17d39ee44fd482d15daff
64 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6845

Heuristics 3

  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://dugedepap.ru/award?keyword=emerging+approaches+to+leadership+pdf PDF link annotation
    • https://cdn.sqhk.co/fowurona/jbib27r/labuniketado.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4494891/normal_60171955e2096.pdfIn PDF document text
    • http://tosijamap.iblogger.org/dyson_v7_trigger_operating_manual.pdfIn PDF document text
    • http://xunawuloraxoru.22web.org/how_many_ounces_in_a_large_dunkin_donuts_hot_coffee.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4455390/normal_5ffe878e65a2c.pdfIn PDF document text
    • https://cdn.sqhk.co/boxoveru/hdjjhhj/cartoon_wallpaper_hd_for_mobile_free_download.pdfIn PDF document text
    • https://cdn.sqhk.co/tiluzegata/fGFSCag/forklift_daily_checklist.pdfIn PDF document text
    • https://cdn.sqhk.co/pedagukar/jewnigY/26654832786.pdfIn PDF document text
    • http://jitaguzo.22web.org/esl_body_parts_exercises.pdfIn PDF document text
    • http://solerizimifo.iblogger.org/7661639888.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379053/normal_5ff518958f870.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388835/normal_6009ef78b8ae5.pdfIn PDF document text
    • https://cdn.sqhk.co/verexoleki/9C6jb13/shark_ion_f80_multiflex_target.pdfIn PDF document text
    • https://cdn.sqhk.co/dajebala/jjKicic/lunar_battlegrounds_d2_ghost.pdfIn PDF document text
    • http://kexopef.iblogger.org/wijal.pdfIn PDF document text
    • http://rexamif.epizy.com/julian_date_calendar_2020_excel.pdfIn PDF document text
    • http://lanotiwigizoxep.epizy.com/tudofikebuvinilowovoxide.pdfIn PDF document text
    • http://tilixufevoj.epizy.com/64926216730.pdfIn PDF document text
    • http://loviwinirapam.rf.gd/best_video_calling_software_for_pc.pdfIn PDF document text
    • http://xafenala.epizy.com/mental_ability_test_questions_with_answers_for_class_4.pdfIn PDF document text
    • http://situbepid.epizy.com/switch_games_codes.pdfIn PDF document text

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