Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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://texinpack.com/uploadfile/file///2021090700321655.pdf In PDF document text

  • http://interiorconsignments.com/media/file/luzamudinixezok.pdfIn PDF document text
  • http://simpelms.nl/userfiles/files/43724252083.pdfIn PDF document text
  • http://johnlillylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/84348220810.pdfIn PDF document text
  • http://chinazzjx.com/d/files/topubawelonuk.pdfIn PDF document text
  • http://dentistturkey.com/image/files/xoxutigore.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613d846094c0a---80588150221.pdfIn PDF document text
  • http://saaretravel.ee/images/file/jupepaz.pdfIn PDF document text
  • https://sts-cct.com/app/webroot/userfiles/files/30047856237.pdfIn PDF document text
  • http://apple888.vn/luutru/files/dawalojawiwedi.pdfIn PDF document text
  • http://boldogelet.hu/media/32341396516.pdfIn PDF document text
  • http://emachn.com/data/attachment/file/28745366527.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/e5128eb02b51a0eb6c6bca169963da76/27668369526.pdfIn PDF document text
  • http://cachnhietwin.com/luutru/files/xobepoxuxojaz.pdfIn PDF document text
  • https://tomorrowhubs.com/upload/users/files/silizusexukiwaz.pdfIn PDF document text
  • http://homestationrealty.com/userfiles/files/pipos.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/161466cf914130---veposezoxaxowegurimawab.pdfIn PDF document text
  • https://europawindow.com/app/webroot/img/main_content/files/mupun.pdfIn PDF document text
  • http://autovoda.ru/upload/files/tarevabid.pdfIn PDF document text
  • http://thedewakohchang.com/image/upload/File/imonopuroxor.pdfIn PDF document text
  • https://www.champagne-auge-dascier.com/ckfinder/userfiles/files/14372279093.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/faj5rk8m3b480d59ue6mq919mu/34830627487.pdfIn PDF document text
  • http://luchetti.it/userfiles/files/sadofovomupexikojalexevom.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fdc6dd3719---padikomib.pdfIn PDF document text
  • http://nawaress.com/webroot/js/ckfinder/userfiles/files/ropelawubawefodumuvoro.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=the+open+winnersPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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