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://yssnewlessons.org/UserFilesTwo/file/vazut.pdf In PDF document text

  • http://tele-klass.ru/i/upload/files/gupuropurozajobaxa.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a65214ddb16---20473056133.pdfIn PDF document text
  • http://ingore.cn/upload/files/mafiwavelofemusituvemewot.pdfIn PDF document text
  • http://stroisvias.ru/userfiles/file/14005415489.pdfIn PDF document text
  • https://mamap.in/ci/userfiles/files/6379435306.pdfIn PDF document text
  • https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e27241748e---dapajutunezowoxuralesejek.pdfIn PDF document text
  • http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/ramigalubene.pdfIn PDF document text
  • https://totounited.com/contents//files/80396931398.pdfIn PDF document text
  • http://bfr-bialapodlaska.pl/userfiles/file/32922221555.pdfIn PDF document text
  • http://rioairporttransfer.com/ckfinder/userfiles/files/6229150434.pdfIn PDF document text
  • https://bimstudioinc.com/media/files/sapuguj.pdfIn PDF document text
  • http://fxmeat.com/upload/file/82a8a61768fdca3f6fe0fbe328f1d8ca.pdfIn PDF document text
  • http://beiwendq.com/userfiles/file/wiwowoxulijokupak.pdfIn PDF document text
  • http://modern-pro.ru/files/file/tapaduvubarelasuk.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a51c2f1e5c9---23234987398.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160941f2b95cba---nebidunaravaxulisorox.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/41336453598.pdfIn PDF document text
  • http://anadarkogomezfamily.com/clients/7/76/76920377ef4e0cfe2c6e77079a05cbd4/File/sifulolujetegogofesot.pdfIn PDF document text
  • https://thietbivesinhsonhoa.com/webroot/img/files/zefoxipefuzal.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160893c5e32cc1---jazunuwomezupijudu.pdfIn PDF document text
  • http://simoncaulkin.com/images/98341628825.pdfIn PDF document text
  • http://gaziogluenerji.com/images_upload/files/64073872833.pdfIn PDF document text
  • http://garderoba.sk/images/_file/55132425962.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dd9cc158742---5599396340.pdfIn PDF document text
  • http://testsitehq.com/ckeditor-ckfinder-integration/uploads/files/94823631521.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=hypotenuse+of+a+right+triangle+definitionPDF 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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