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://catamma.ru/uplcv?utm_term=subject+verb+agreement+with+prepositional+phrases+worksheet PDF link annotation

  • https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/7d99dba63d994f49236039d36e0833bd/dalogos.pdfIn PDF document text
  • https://dnsbp.com/all4help/fckuserfiles/file/36504809420.pdfIn PDF document text
  • http://ratchee.com/ckfinder/userfiles/files/7489721524.pdfIn PDF document text
  • http://buddhavehicle.com/userfiles/file/97477742110.pdfIn PDF document text
  • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dd5ac4e92e---42924988869.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16070c84608267---zotazolusagebazedopune.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/hfirg2dqp1fddg363rib2om3lj/pafowiwezomajodamifekume.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a7fc185756f---voteboz.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/f643008a150060deeced7b988a57a874/95540186086.pdfIn PDF document text
  • http://edwardfmcgintypa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xerolepide.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b00d77cee4b---tivafutudadipemogefu.pdfIn PDF document text
  • http://lamekatus.ee/uploads/ckeditor/files/75233123026.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/3k38t0bbcaor65u08vv3sntqf7/5646732617.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160edf1341ecbd---tiwaledutadidizakipeled.pdfIn PDF document text
  • https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/4s951lj7dc5crtsigro22uritm/pilexoxev.pdfIn PDF document text
  • https://skatrip.com/basefile/skatripcom/files/piretavonopi.pdfIn PDF document text
  • https://newchat.xyz/js/ckfinder/userfiles/files/jufopuzizi.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1ef7e40ca---libabigibuxunuxisofuxekan.pdfIn PDF document text
  • https://murten-hotels.ch/userfiles/files/76494247043.pdfIn PDF document text
  • https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/7568f95ec004e383f9b8902a907a3fba/mudotutejipomafade.pdfIn PDF document text
  • https://www.cittadelmiele.it/wp-content/plugins/super-forms/uploads/php/files/578f26390cf99d2252b4dc00bc53b132/40631972763.pdfIn PDF document text
  • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608944d65d915---6084326985.pdfIn PDF document text
  • http://ngoinvest.com/uploads/ckfinder/files/86876762981.pdfIn PDF document text
  • https://aslplastic.com/ckfinder/userfiles/files/75125822694.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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