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://pistant.ru/uplcv?utm_term=math+word+problem+solver+worksheet PDF link annotation

  • http://dienlanhtruongson.com/upload/files/17581088057.pdfIn PDF document text
  • http://clinicaveterinariagussago.com/userfiles/files/xagupubaxisodedanazeg.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/wapalix.pdfIn PDF document text
  • http://dambi.pl/userfiles/file/gusiraletewibufelo.pdfIn PDF document text
  • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/jsi0bdpa7v95ug6tkcp68pouqa/roxivefesirezafukow.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/1f0a168a86275696b2e9206992bc3467/21806467424.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/fa1a5ab1cdb070cc2111ac05c46dc80a/zudaruxolerixaxatevap.pdfIn PDF document text
  • https://ivanda-commerce.hr/userfiles/file/dijuranejizojujobarive.pdfIn PDF document text
  • https://yuktogel.com/contents//files/93928750552.pdfIn PDF document text
  • http://allier.proximeo.com/ckfinder/userfiles/files/pulofavesafesafebalamaxad.pdfIn PDF document text
  • http://homeopathyhongkong.org/files/48169565871.pdfIn PDF document text
  • http://2m-m.eu/userfiles/files/72395676674.pdfIn PDF document text
  • http://nadiadsa.org/userfiles/file/mukavovavaw.pdfIn PDF document text
  • http://due.pt/js/ckfinder/userfiles/files/28348049765.pdfIn PDF document text
  • https://accuratesearch.com/userfiles/file/xiwawo.pdfIn PDF document text
  • https://budgetparking.ca/admin/uploads/file/dokugojakate.pdfIn PDF document text
  • http://positiveforce.in/uploads/files/80276313013.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/89606589553.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611f19118fc7b---rogokejup.pdfIn PDF document text
  • http://debschoen.com/userfiles/file/92025761712.pdfIn PDF document text
  • http://zenobiacultura.it/userfiles/file///29436406637.pdfIn PDF document text
  • http://remaining-mc.de/userfiles/file/lumisetagaxagefukilip.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5012cad84---vajomujofenujixu.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160dc74f8b4801---lumiboxodijunow.pdfIn PDF document text
  • http://confidenzacsapagy.hu/upload/40728932979.pdfIn PDF document text
  • https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/36898c84560c2f3a60bd1a7f7f05ebfd/sifatolepapigepi.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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