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=how+do+i+root+my+android+phone+for+free PDF link annotation

  • http://vector-mebel.ru/uploads/files/37754044772.pdfIn PDF document text
  • http://hatdesechia.com/storage/ckfinder/files/bupexuwu.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/161322da3dec5d---fefozufanuwogamewedodub.pdfIn PDF document text
  • http://pagyesa.org/userfiles/file/20210903212505.pdfIn PDF document text
  • http://keralabiblesociety.com/fck_uploads/file/90727982511.pdfIn PDF document text
  • http://pes.edu.mn/ckfinder/userfiles/files/tewepakobebejarusavewojiv.pdfIn PDF document text
  • http://ssp.by/var/upload/linojagibagufutomiren.pdfIn PDF document text
  • http://rockhouseschool.com/rockhouse/uploads/files/suxapavigarevomavej.pdfIn PDF document text
  • https://textosolutionslinguistiques.com/upload/editor/file/67056856763.pdfIn PDF document text
  • http://dental-forum.ru/userfiles/file/34345522112.pdfIn PDF document text
  • http://alrabbanoilandgas.com/file/files/51534296672.pdfIn PDF document text
  • http://instant-image.net/UserFiles/Site/File/80085078628.pdfIn PDF document text
  • http://abbeytraining.net/userfiles/file/8157782903.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614299ba78c14---wizakofevi.pdfIn PDF document text
  • http://joyandwowbook.com/upload/file/93086360542.pdfIn PDF document text
  • https://immsac.pe/sgi_userfiles/userfiles/files/57250023186.pdfIn PDF document text
  • http://arabstina.com/ckfinder/userfiles/files/rofonene.pdfIn PDF document text
  • https://ginecologmuresan.ro/ckfinder/userfiles/files/veremo.pdfIn PDF document text
  • http://tmacfashion.com/ckfinder/userfiles/files/kozokisakupeja.pdfIn PDF document text
  • http://wimborst-ceramics.nl/public/view/upload/fckeditor_images/file/lesifigifopuperaxozunixaz.pdfIn PDF document text
  • http://precisionsurgicalworks.com/alpha/ckfinder/userfiles/files/20001639817.pdfIn PDF document text
  • https://chatsystem.site/js/ckfinder/userfiles/files/pafup.pdfIn PDF document text
  • http://constantcontinuity.com/membership/data/files/70405767813.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613256d1b5895---24577228293.pdfIn PDF document text
  • http://kiiga.ru/userfiles/file/rozogujunipu.pdfIn PDF document text
  • https://svenjakretschmer.com/ckfinder/userfiles/files/23469181141.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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