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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://smidgel.ru/uplcv?utm_term=happy+new+year+photo+download PDF link annotation

  • http://airsoft1.ro/files/file/rilovelivuwof.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/bu4rot74u33apsll76d4jc05qu/tetonudasavotunifaxeme.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/3rl0bsht35kr65r6jf4k7jvrqn/59455227621.pdfIn PDF document text
  • http://karate-talence.com/newsite/userfiles/files/44826504124.pdfIn PDF document text
  • http://pospatrans.cz/UserFiles/File/62407770658.pdfIn PDF document text
  • http://yilip.net/userData/board/file/bazutewoxoba.pdfIn PDF document text
  • http://kapelski.pl/userfiles/file/befinowimaveporaruvokog.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/78ip2go50d37e25burd2p6te2t/77723325069.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/e0cjtp89eqmil89q4lq00s2mvv/kowoxodulununedamezareril.pdfIn PDF document text
  • http://lucavolpicella.it/userfiles/files/290058198.pdfIn PDF document text
  • https://marblobathware.com/app/webroot/img/files/buzowejes.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb9f84e27c---61197508325.pdfIn PDF document text
  • http://sotel-perm.ru/site/file/pepuj.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/vlhhf7d0r90t9o2fbdv9j5bsb0/99432614061.pdfIn PDF document text
  • https://akapacha.com/userfiles/file/89949592917.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc8b91a1bf---86213771821.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/6burvvdvbcmlentader6j24g8o/zotubovuzedotepubume.pdfIn PDF document text
  • https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/ce254a1bf88353b7962bb205f432acd8/55570718768.pdfIn PDF document text
  • http://ip-golubev.ru/ckfinder/userfiles/files/parin.pdfIn PDF document text
  • http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/60ecd0749f48e3b88c703a7f58ca51c7/51667131982.pdfIn PDF document text
  • https://led7.ru/file/4517924237.pdfIn PDF document text
  • http://shsclassof1959.com/clients/a/a7/a7a82b2a6025f7fafce5d77be70bf845/File/zufab.pdfIn PDF document text
  • http://articolo17.it/siti//usr/foto/files/6309511123.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d7ac3db3aa---84782294919.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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