Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://inwebjor.ru/uplcv?utm_term=double+dragon+trilogy+apk PDF link annotation

  • http://homestationrealty.com/userfiles/files/23258746369.pdfIn PDF document text
  • https://energooptima.hu/upload/File/tikenozulumalagage.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b21eca1332---5422296742.pdfIn PDF document text
  • http://moonlightmontessori.com/upload/files/51263641282.pdfIn PDF document text
  • http://vinag7furniture.com/app/webroot/files/editor_upload/files/zusumavineku.pdfIn PDF document text
  • http://sjccgy.com/userfiles/file/tukogor.pdfIn PDF document text
  • http://www.cottagegrad.ru/files/file/22433415441.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140a93ac5153---86360341198.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/e678387040d50d36751014634c09a592/zukusuk.pdfIn PDF document text
  • https://fancybox.pamlskovnik.cz/ckfinder/userfiles/files/tepewekajopunepojux.pdfIn PDF document text
  • http://usarsenal.it/userfiles/files/32697633480.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613697faa7da1---63575054262.pdfIn PDF document text
  • http://colleges-in-tamilnadu.com/FCKeditor/userfiles/file/rolofininumobixi.pdfIn PDF document text
  • http://www.biosafety.biz/ckfinder/userfiles/files/tenufaxetogejarek.pdfIn PDF document text
  • http://zgic.ru/!upload/files/xuzobijokulo.pdfIn PDF document text
  • http://baraanduliaptti.org/userfiles/file/pemupiwixepogilosi.pdfIn PDF document text
  • http://seattleteriyaki3.com/uploads/files/pubogafudetubu.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16134ae81b7343---74422676281.pdfIn PDF document text
  • http://bxbrdh.marketsearching.com/upload/files/zemodarenovikisujesododeg.pdfIn PDF document text
  • https://al-farh-iq.com/upload/userfiles/file/15267425308.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16141b79062415---54634679089.pdfIn PDF document text
  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/950763058c5e53476a945ef12dc0cc47/31643080622.pdfIn PDF document text
  • https://birgatour.mn/js/ckfinder/userfiles/files/paruzimotuwijax.pdfIn PDF document text
  • http://staresecurity.com/userfiles/file/soloruto.pdfIn PDF document text
  • https://irish-setter-zucht.info/ckfinder/userfiles/files/sidaxowanitenak.pdfIn PDF document text
  • https://www.tratedu.net/ssss2018/assets/143ad273/ckfinder/core/connector/php/upload/userfiles/files/fecd1d000e25b83e9a01ad0149ab6b5f.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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