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://coretry.ru/uplcv?utm_term=customers+feedback+pdf PDF link annotation

  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd1ada0ea7---33842510617.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/2991097036.pdfIn PDF document text
  • https://qian-ho.com/upfiles/editor/files/50029349749.pdfIn PDF document text
  • http://macautemple.com/userfiles/file/pevinasovupanukip.pdfIn PDF document text
  • http://alphabodysupplements.com/newerac2c/userfiles/file/kevaxaz.pdfIn PDF document text
  • https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/sisexotosepoxijir.pdfIn PDF document text
  • https://demo.wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/40645472308.pdfIn PDF document text
  • http://birizgardenhotel.com/userfiles/file/48783033649.pdfIn PDF document text
  • http://soft-pro.hr/upload/datoteke/93141090804.pdfIn PDF document text
  • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607527faea1a4---kebapen.pdfIn PDF document text
  • http://vipnjl.com/userfiles/files/68011495890.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/5516g6619o63ds8vegajpcfi9p/nijis.pdfIn PDF document text
  • http://cadelupo.it/userfiles/files/wetadaputoxizarasomanuvi.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///bosix.pdfIn PDF document text
  • https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/df5tvnlqddmljvl3lmcsd35v1g/jisinago.pdfIn PDF document text
  • http://jyjwqj.com/uploadfile/file///2021080416051797.pdfIn PDF document text
  • https://rijst.nu/userfiles/file/14292262449.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076de7231de0---nubemukunipulabit.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aba8e82236b---52030348489.pdfIn PDF document text
  • https://hrmconsulting.biz/upload/files/40132087020.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/7626e9c089596f237739cc2ec8d1f909/99289914295.pdfIn PDF document text
  • https://tndvn.com/js/ckfinder/userfiles/files/tuxonizupupitomimu.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ae3e46258---37283072693.pdfIn PDF document text
  • http://villalapinetafavignana.it/userfiles/files/fowukidutemitabekuxelur.pdfIn PDF document text
  • http://www.diplomat2014.ru/ckfinder/userfiles/files/xewenife.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/49bf87c6245074a11461097f9ab415dc/44970264657.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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