Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e592dcc5dd670c4…

MALICIOUS

PDF

54.6 KB Created: 2021-09-12 13:58:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-24
MD5: 610657ba5d522563b0a0b86842f1d693 SHA-1: 9a5c49c60ceac6cba11f8460d228d8e0433a5c4f SHA-256: 6e592dcc5dd670c46009447f78243e524b386f0b11fd97ff11efb339579218a3
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected by ClamAV as Pdf.Phishing.Trojan. The PDF contains numerous embedded URLs, many of which point to domains that appear to be part of a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a high number of distinct hosts and links, suggesting a coordinated effort to distribute malicious content or phish users. No scripts were extracted, but the structure and URL patterns are indicative of a phishing or malware distribution campaign.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.2832

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 http://mikllc.mn/uploads/files/bebulusadelu.pdf In PDF document text
    • https://b2b-intelligence.it/uploads/file/lagaleperurulizijakirik.pdfIn PDF document text
    • https://bostoncake888.com/UserFiles/files/39260355667.pdfIn PDF document text
    • https://webkapper.nl/ckfinder/userfiles/files/58760819986.pdfIn PDF document text
    • https://hippodrome-compiegne.fr/www/uploads/file/taxujo.pdfIn PDF document text
    • https://auto826.vnpec.xyz/uploads/files/kirojipafabafufazolexafed.pdfIn PDF document text
    • https://grupo-bahia-real-estate.com/ckfinder/userfiles/files/33995191419.pdfIn PDF document text
    • http://kruengrangthai.com/files/files/77708640684.pdfIn PDF document text
    • https://asiantms.com/ckfinder/userfiles/files/59545886438.pdfIn PDF document text
    • http://randoquad72.fr/userfiles/file/xizuvaxutepefo.pdfIn PDF document text
    • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/161360a5d92168---gegewi.pdfIn PDF document text
    • http://kondicionery-dolgoprudny.ru/upload_picture/file/vilagokojapatokabifub.pdfIn PDF document text
    • http://tndgdemo2.com/ckfinder/userfiles/files/luwubozelevoselamoz.pdfIn PDF document text
    • http://dade666.com/userfiles/202109file/2021090211582170554.pdfIn PDF document text
    • http://jjinline.org/file_upload/file/katoliganobabosizib.pdfIn PDF document text
    • https://sambelteri.com/contents/files/bekinidasutigikebapifup.pdfIn PDF document text
    • https://27061010.com/uploads/files/202109112304553823.pdfIn PDF document text
    • https://gemma.lucien-sv.info/uploads/files/613053be07d57.pdfIn PDF document text
    • http://szsahsh.com/uploads/files/netax.pdfIn PDF document text
    • http://sochi-riba.ru/ckfinder/userfiles/files/xafebasusax.pdfIn PDF document text
    • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/3fsuucas5b5153kb0nt5tqg0ah/zegodumaga.pdfIn PDF document text
    • http://badgerhillfarm.uk/40156116854.pdfIn PDF document text
    • http://faurau.com/luodan/images/userfiles/file/64843469844.pdfIn PDF document text
    • http://hoanggiaphatland.com/uploads/image/files/xogajiwaj.pdfIn PDF document text
    • https://ka-base.no/images_content/file/nodudiditilufutepotiki.pdfIn PDF document text
    • https://gs-hemeringen.de/ablage/userfiles/files/tatudeweriz.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=tempo+music+video+makerPDF link annotation

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