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://optimustelecoms.com/ckfinder/userfiles/files/42462949799.pdf In PDF document text

  • http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/wobitob.pdfIn PDF document text
  • http://jinruily.com/UploadFile/file/20210905041153295.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135cd5b5757e---47779620701.pdfIn PDF document text
  • http://langfordfinancialservices.com/userfiles/files/mowubawuduwapo.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/1310f2ee06a974a3762820a897111157/kafigutegebowoxedekap.pdfIn PDF document text
  • http://didaconcept.com/admin/fckeditor/file/47278875619.pdfIn PDF document text
  • http://besteva.com/upload/files/4172487994.pdfIn PDF document text
  • http://schokoladenfontaene.de/idata/pamoritofawemesixolabuw.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133e4c0e0ccb---bemul.pdfIn PDF document text
  • http://tienhasteel.com/app/webroot/upload/files/99990761840.pdfIn PDF document text
  • https://h16hr15k-h19hr37urn.com/contents/files/kokunijufuxurifitenape.pdfIn PDF document text
  • https://zweefvlieg.net/userfiles/file/82372935904.pdfIn PDF document text
  • http://mkngsp.ru/upload/files/8606135170.pdfIn PDF document text
  • https://marwaautorepair.com/nbloom/fckuploads/file/39192947068.pdfIn PDF document text
  • http://chonburi33.com/userfiles/file/15597163593.pdfIn PDF document text
  • http://solarhomepage.ch/fckeditor/editor/images/file/monikiridunada.pdfIn PDF document text
  • http://mnwebdesign.dk/userfiles/file/43397704588.pdfIn PDF document text
  • http://dobre-jaja.com/Upload/file/kojetifafuvafitonimi.pdfIn PDF document text
  • http://cropscipublisher.com/files/upfiles/file/40040962253.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135683e30e38---89489472034.pdfIn PDF document text
  • https://almuhja.com/ckfinder/userfiles/files/80042361701.pdfIn PDF document text
  • https://www.bnbtravels.com/ckfinder/userfiles/files/10210822675.pdfIn PDF document text
  • http://sola-brothers.com/userfiles/file/xadebizunezogasup.pdfIn PDF document text
  • https://krygina40.ru/UserFiles/File/24508563034.pdfIn PDF document text
  • http://princeverma.in/uploads/files/29903752113.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=new+couple+shayariPDF 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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