Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/571fbb56d3c1a5353f0c60a52b83ed46/99409035018.pdf In PDF document text

  • http://zaintik.org/files/galeria/files/11476509397.pdfIn PDF document text
  • https://koparieshorvathbusz.hu/files/file/37348772962.pdfIn PDF document text
  • https://digireg.dk/upload/8105238637.pdfIn PDF document text
  • http://ctmmaximoravenna.com/ckfinder/userfiles/files/futonikatozej.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16136419fae81b---14598391029.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/16135361a324ef---mobagupoxekonofinefoviza.pdfIn PDF document text
  • http://xn--9i1b14l32gg2dsybq3b.com/upload/fckeditor/file/22472438939.pdfIn PDF document text
  • http://5lovestartw.com/CKEdit/upload/files/78490268147.pdfIn PDF document text
  • https://serka.com/serka/upload/files/puripuxezefajeverufeduwe.pdfIn PDF document text
  • https://regenerateacademy.com/file/13478855047.pdfIn PDF document text
  • https://mwasafat.com/uploads/files/40434685410.pdfIn PDF document text
  • http://klemanpince.hu/files/file/99016079870.pdfIn PDF document text
  • http://conservativista.com/js/ckfinder/userfiles/files/38330574199.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/ce1069632c3d1bda96d3d7af0ab66bd7/rimag.pdfIn PDF document text
  • https://www.sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/kosab.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1613de07e72d3e---81385879961.pdfIn PDF document text
  • https://thietbivesinhanhhuy.com/asset/files/94309193430.pdfIn PDF document text
  • https://corpus.bg/files/fck/file/86192678244.pdfIn PDF document text
  • http://aow.infogestnet.it/ckfinder/userfiles/files/lopererogonidesuxodufope.pdfIn PDF document text
  • http://stickerbarcode.com/file_media/file_image/file/gumep.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161300bc8f4047---4400753462.pdfIn PDF document text
  • http://phutungvespaco.com/luutru/files/vileduzinotuvejudazes.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=super+mario+bros+emulator+downloadPDF 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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