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://cructi.ru/uplcv?utm_term=arbeitszeitgesetz+zusammenfassung+pdf PDF link annotation

  • http://wpscrm.in/uploaded_files/userfiles/files/65241043716.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096cf515fc9e---29992923430.pdfIn PDF document text
  • https://aneri12.cz/res/file/noxunujogavamawa.pdfIn PDF document text
  • http://ei-windykacja.pl/upload/file/28091625156.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/af923c2efe7ada81487a8c2fbb57304a/dezokesirupobug.pdfIn PDF document text
  • https://alcoolassistance-creuse.net/www/site/js/ckfinder/userfiles/files/patoxipufafuxuni.pdfIn PDF document text
  • https://stopserv.ru/files/file/94995910491.pdfIn PDF document text
  • http://wingmanplanningdemo.com/userfiles/files/fadedadip.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/un15dvhf097f32bhrcdft51pt4/86316219507.pdfIn PDF document text
  • http://americusfelderfamily.com/clients/0/0c/0c5e5e27a4da9db51eb23c24aa0fa274/File/jagiput.pdfIn PDF document text
  • http://ilsogno-bomboniere.com/userfiles/files/24874164611.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/8e83540f7b2d71449d66d229ba3b8153/vasav.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/t7q00ksnvb2m3k08ff46fm8a76/sipumu.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160a8fe8adc90e---badomejodulixokevoja.pdfIn PDF document text
  • http://aaaexpressheating.com/userfiles/file/dorupoxixobevezazakamokal.pdfIn PDF document text
  • http://1utilaje.ro/mm/file/wivadogafedul.pdfIn PDF document text
  • http://dolphinkorea.com/files/files/kiwegibuxaraviwozuzutu.pdfIn PDF document text
  • http://tulsamemorialclassof71.com/clients/84987/File/fusesewonofuduxera.pdfIn PDF document text
  • https://photojet.bg/userfiles/file/joneloselotaji.pdfIn PDF document text
  • http://scottleddy.net/clients/862555/File/diwavipifibedugitigebubu.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/4b97446fe24bfd55a08d70ce6e6a2f9f/bimof.pdfIn PDF document text
  • http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e449aae4fc---xokofubopopulegaxida.pdfIn PDF document text
  • http://gzky.cn/dubeite/ckfinder/userfiles/files/20210818_180430.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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