Malicious PDF — malware analysis report

Static analysis result for SHA-256 44a40cfa46e73146…

MALICIOUS

PDF

54.5 KB Created: 2021-09-17 07:45:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 150aebb6753f834ac2451f71a301cf93 SHA-1: 63e4e8b97569814361ad4ab6305acd7d9c03eb1f SHA-256: 44a40cfa46e73146921be3b1066339d5c507f69af9d4d08af340d7c0b3303fa9
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It contains a link farm pointing to compromised WordPress sites, likely intended to distribute malware or facilitate phishing. The presence of multiple PDF files hosted on these compromised sites suggests an attempt to disguise malicious content or redirect users to malicious downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8347

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/g0mjlkhivv8r24f8fpp7jid3kn/nokosubovefuxiralaf.pdf
    • http://stihoplet.by/upload/editor/files/wupamiforimifilip.pdf
    • https://laplacedesstores.com/upload/file/61985981182.pdf
    • https://pemaboutiquehotel.com/assets/userfiles/files/8881867110.pdf
    • http://lifecontinues.ru/images/files/zolofiwoxivonarumi.pdf
    • https://sinarlangit1.com/contents/files/65199764569.pdf
    • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/af7956bc9bc860875ae8591cacdebd88/70584880083.pdf
    • https://hospvetcentral.pt/site/upload/file/90925794954.pdf
    • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/161434cb83e5e9---50608614613.pdf
    • http://hanasushimenifee.com/uploads/files/79588484615.pdf
    • http://hfnhsw.com/upload/files/wamoxutarezuroxaxudi.pdf
    • http://interroadholland.nl/userfiles/file/xumibikomakevun.pdf
    • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/9e809bc129af4209c4c8d93e48cc1cd1/46687602635.pdf
    • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb8c458e16---gekikepufijivibiluzoz.pdf
    • http://workontext.ru/media/file/mefukujexatenifowevixega.pdf
    • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fcc366a67d---sekubenoz.pdf
    • http://xn--12cfu9bc1efac9a9azfdsb7b9d1f0j.net/ckfinder/userfiles/files/79269644049.pdf
    • https://betalinktech.com/blmedia/file/99925440979.pdf
    • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613239869aaa7---31511106899.pdf
    • https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/319df68887b3f7381ad5cc0996cff5fd/wuxaxevubobafipizow.pdf
    • http://cafegreenwichvillage.com/uploads/files/runilanomarolubamaferi.pdf
    • http://haai.org/upload/file/vitajaduvis.pdf
    • https://locktactyuma.com/ckfinder/userfiles/files/13476075214.pdf
    • http://goldmustang.ru/files/files/21609240862.pdf
    • https://dursunguney.com/userfiles/files/voxetonozibaf.pdf
    • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=dragon+hill+mod+apk

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