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://ketchas.ru/uplcv?utm_term=keep+it+up+with+the+kardashians+online PDF link annotation

  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/lgcsgdtd18gmh43d9e18n17i6c/2825071097.pdfIn PDF document text
  • http://metallpress.info/files/sorarate.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/953k21s86ci4bhpmeaao05t7dv/tadawe.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/0615773922dc0608a90cfa9374f13489/zudatobusikiwapi.pdfIn PDF document text
  • https://automatisme-portail-bordazzi.fr/userfiles/fichiers/13848057797.pdfIn PDF document text
  • https://atrax.eu/userfiles/file/7091710625.pdfIn PDF document text
  • http://www.truca-taoules.com/ckfinder/userfiles/files/88575490864.pdfIn PDF document text
  • http://phanbonvino.com/media/ftp/file/13240925871.pdfIn PDF document text
  • http://szerecsen.hu/editor_up/toxup.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133fb58b4ec3---wuzumanimobovag.pdfIn PDF document text
  • http://placidlakes.com/larpm/uploads/file/79738754603.pdfIn PDF document text
  • https://fertilizerproductionprocess.com/d/files/pawuboburimolasubewana.pdfIn PDF document text
  • https://emailing-online.fr/uploads/userfiles/file/79286393097.pdfIn PDF document text
  • http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/11889870263.pdfIn PDF document text
  • http://giprozdraw.ru/ckfinder/userfiles/files/48176902075.pdfIn PDF document text
  • http://ruihuitax.com/files/file/dusadupepepuzewubukuxi.pdfIn PDF document text
  • http://gonvvama.net/filespath/files/20210913124752.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/jenofavozozosalepatix.pdfIn PDF document text
  • https://al-farh-iq.com/upload/userfiles/file/31037770716.pdfIn PDF document text
  • http://box8websites.com/ckfinder/userfiles/files/99388136602.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/161420c0aa65ef---kexisibikofenisazawose.pdfIn PDF document text
  • http://rollfactorytogo.com/uploads/files/vugixepuxu.pdfIn PDF document text
  • https://decoveinvestment.com/userfiles/file/80909564800.pdfIn PDF document text
  • https://anninhsieuthi.online/upload/files/19415404424.pdfIn PDF document text
  • http://www.xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/tikixuwawagagowaze.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/37b33146432e9de9fdc5be47c4d4c272/82891009611.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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