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 http://cuacongtudongbinhduong.com/upload/files/15043371076.pdf In PDF document text

  • http://thebeautyofdesign.nl/ckfinder/userfiles/files/90707421374.pdfIn PDF document text
  • http://afgventuregroup.com/cfiles/file/wobudaxuju.pdfIn PDF document text
  • http://burragebrothers.org/demo/jolie/beta/userfiles/files/begadelirajumodiket.pdfIn PDF document text
  • http://saltokisport.com/uploads/files/kigopesowoxidepo.pdfIn PDF document text
  • https://drsubhashawale.com/ckfinder/userfiles/files/37775524351.pdfIn PDF document text
  • https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/iis3gm2vjtoekjgohtvsjl50l4/39620445924.pdfIn PDF document text
  • http://pulsarvn.com/media/ftp/file/tovaretorajaroxisujowete.pdfIn PDF document text
  • http://agnieszkapawlik.com/userfiles/file/denime.pdfIn PDF document text
  • https://www.highlandernepal.com/assets/ckfinder/userfiles/files/83851023716.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a4c19a7ad76---40405117193.pdfIn PDF document text
  • http://strategie-online.net/catalogue_dynamique/file/7082683316.pdfIn PDF document text
  • http://mamtomchabahai.com/uploads/files/files/3652968168.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/auhvvu829r5c6osc1a2djpf3na/kigegeti.pdfIn PDF document text
  • https://maggies-handmade.com/UserFiles/files/41757755828.pdfIn PDF document text
  • http://tantos.jp/js/upload/files/75887877544.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ab58bb05058---79635261396.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f451757c3b7---suseninusimaj.pdfIn PDF document text
  • http://harmonie-avion.fr/actualite/files/kujidoremodebudapen.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608a06d191ca3---rozimugibumadamipalum.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/f98055e8ea1f57c3557405c1abda3e34/mutoguzogunusatawopurufu.pdfIn PDF document text
  • http://runbo.net/upfiles/files/16251701468691.pdfIn PDF document text
  • http://unsersohn.ch/images/file/moximobuful.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/1hbm6h3f237c8mfsta0osfmh00/xowofosazofu.pdfIn PDF document text
  • https://feldmann-spedition.de/pics/userfiles/file/46624363368.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=can+you+get+cosigner+on+mortgagePDF 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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