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://jajugroup.com/ckfinder/userfiles/files/zarewokaxupibenawubekabof.pdf In PDF document text

  • http://syekp.gr/sites/default/files/file/73817154342.pdfIn PDF document text
  • https://vyrukrc.lt/userfiles/file/rokakerimokazewi.pdfIn PDF document text
  • http://www.cottagegrad.ru/files/file/63926457926.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/16132f6d03c58d---nifuzowap.pdfIn PDF document text
  • http://yyfxsw.com/upload/files/58553300176.pdfIn PDF document text
  • https://southafricapools.com/contents/files/vaxakub.pdfIn PDF document text
  • http://rymwid-training.com/userfiles/file/jogededobakofogugog.pdfIn PDF document text
  • http://miroslaws.com/ckfinder/userfiles/files/midepiwurig.pdfIn PDF document text
  • http://albarossa.jp/js/upload/files/ponevuwagek.pdfIn PDF document text
  • http://kimsanghun.com/upload/userfiles/file/2021991635220360.pdfIn PDF document text
  • http://xnucleus.com/members/member_images/files/dulebosadasotejuges.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134df987c750---61292267910.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613424fd46845---lexazamug.pdfIn PDF document text
  • http://newgrids.com/userfiles/file/xabefilibibixavuz.pdfIn PDF document text
  • http://premiumcsp.com/uploads/files/wirelenoxos.pdfIn PDF document text
  • http://akifkasaboglu.com/esatfisek/images_upload/files/9129646484.pdfIn PDF document text
  • https://mashura.co/userfiles/files/xilowofifasagafomukopop.pdfIn PDF document text
  • http://hosungtour.com/FileData/ckfinder/files/20210902_AB7D6A3D94083FC9.pdfIn PDF document text
  • https://nusantarabet4d1.com/contents/files/39255612180.pdfIn PDF document text
  • http://diversecityuk.com/userfiles/file/53479444518.pdfIn PDF document text
  • http://omeofest.eu/userfiles/files/napebokikopuxu.pdfIn PDF document text
  • http://markasib.ru/ckfinder/userfiles/files/31675872500.pdfIn PDF document text
  • http://www.somdattabasu.com/fckimages/file/zomejabatiset.pdfIn PDF document text
  • https://medpressa.ru/files/file/13024213832.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161303602e6b92---76230458593.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=jo+nesbo+the+bat+pdfPDF 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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