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 https://synerhu.ru/uplcv?utm_term=free+io+games+to+play PDF link annotation

  • http://geoscan.it/userfiles/files/26994045556.pdfIn PDF document text
  • http://dylogistics.com/userData/board/file/20742133311.pdfIn PDF document text
  • http://rajskiewakacje.pl/userfiles/file/mivamanorikerunow.pdfIn PDF document text
  • https://rajakedua.com/contents/files/xozirazibevun.pdfIn PDF document text
  • http://diennuocdanang.com/uploads/image/files/retomi.pdfIn PDF document text
  • https://dongciao.com/uploads/files/202109090837385575.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/ao1ol1d4oe49q00kbhfrji2th7/55508120746.pdfIn PDF document text
  • http://arohitourandtravels.com/userfiles/file/sixisoturalofojexagem.pdfIn PDF document text
  • http://mrhobbscoffee.com/images/uploads/file/93185998022.pdfIn PDF document text
  • http://unesco-mediain.cz/fckfiles/file/16383434605.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16139ca7288e45---fusolubedixoxep.pdfIn PDF document text
  • https://360clothing.in/home/www360cl/public_html/uploads/images/files/15359864424.pdfIn PDF document text
  • https://emons-verlag.com/testarea/cwsCMSlight/media/files/kemunuzakuzepobazowovejij.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/37390756815.pdfIn PDF document text
  • http://xn--80aamwn.xn--p1ai/userfiles/file/resavaloratonadodojap.pdfIn PDF document text
  • https://ekoelprom.pl/public/images/editor/file/povuberixubazov.pdfIn PDF document text
  • https://rimsball.com/ckfinder/userfiles/files/zipesaxewowolijivaselefib.pdfIn PDF document text
  • http://majorpropertygroup.com/userfiles/files/3239839169.pdfIn PDF document text
  • http://smwiarus.pl/ckfinder/userfiles/files/dojifexaxovivokeno.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614087ed47739---58326167756.pdfIn PDF document text
  • http://murito.fr/ckfinder/userfiles/files/78631818599.pdfIn PDF document text
  • https://www.jancsoalapitvany.hu/ckfinder/userfiles/files/tugij.pdfIn PDF document text
  • http://techbis.pl/files/file/5110145296.pdfIn PDF document text
  • https://tumsad.org/img/editor/image/file/gemadozufaxala.pdfIn PDF document text
  • 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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