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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://pistant.ru/uplcv?utm_term=best+android+qr+code+scanner PDF link annotation

  • http://www.dogwoodagility.nl/ckfinder/userfiles/files/7919294808.pdfIn PDF document text
  • http://hoangduy.vn/vn/files/87583249956.pdfIn PDF document text
  • https://thebillionbottom.com/business_school/uploads/file/21387134998.pdfIn PDF document text
  • https://coil.hk/upload/files/56355090072.pdfIn PDF document text
  • http://agenturamotivace.cz/uploadfiles/file/juposuladafulowuneluf.pdfIn PDF document text
  • http://paoladebenedetti.eu/userfiles/files/14309935439.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614225d2a8215---6710162528.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/gs5g8a57bqhh99hse3b4050fn0/51142660610.pdfIn PDF document text
  • http://back2wood.de/userfiles/file/17435176852.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614b154bb4294---wozafigabasumezawuzixare.pdfIn PDF document text
  • https://granitnet.hu/editor_up/63900600440.pdfIn PDF document text
  • https://eghamatkade.com/basefile/eghamatkadecom/files/2184604154.pdfIn PDF document text
  • http://sensor4you.com/fckeditor/editor/filemanager/connectors/php/fckeditor/upload/202109/file/29047202060.pdfIn PDF document text
  • http://businessplan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/pevovotazulosovo.pdfIn PDF document text
  • http://abwhopewell.com/uploads/files/xumunupiwuwexonosutobi.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16147a8ae86351---13545813265.pdfIn PDF document text
  • http://le383.com/uploads/files/80850831466.pdfIn PDF document text
  • http://janjoling.com/public/ckfinder/userfiles/files/30431765675.pdfIn PDF document text
  • http://sp2wronki.pl/fotki/fotki/file/taditepafuguxogagoba.pdfIn PDF document text
  • https://helices-evra.com/userfiles/file/jofavo.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/161303dee622b1---pomogupanivade.pdfIn PDF document text
  • http://dglytbt.com/upfolder/e/files/20210907103451.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614bb32ea187d---jerupurazuxuzumibujas.pdfIn PDF document text
  • http://thienlongadv.com/upload/files/zigebedoxigajofi.pdfIn PDF document text
  • https://jahanchart.ir/data/files/file/divimeworopaxobo.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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