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=why+is+my+android+losing+battery+so+fast PDF link annotation

  • https://adtw1.com/ckfinder/userfiles/files/24765061034.pdfIn PDF document text
  • http://domoticasociale.it/immaginiNewsletter/file/garunevapo.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/543d69b5421a548986e42742cfb23116/49216372743.pdfIn PDF document text
  • http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614cac85edf4f---pevejobedoxolo.pdfIn PDF document text
  • https://kungfuclasshongkong.com/louis/taichi/ckfinder/userfiles/files/fisemikivawisevofod.pdfIn PDF document text
  • http://tnetimes.kr/upload/file///53347064699.pdfIn PDF document text
  • http://medicaldistri.com/ckfinder_files/files/xirime.pdfIn PDF document text
  • https://ysh.my/userfiles/file/41082495778.pdfIn PDF document text
  • http://toyotarent.tw/FileData/ckfinder/files/20210919_8998C88B477A05A7.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/bba2afbe5c46cb850733cc3b5b68b71e/pefudujirapefa.pdfIn PDF document text
  • http://mardeestilos.es/fotos/file/kisuz.pdfIn PDF document text
  • https://uetty.xyz/js/ckfinder/userfiles/files/duxinazalut.pdfIn PDF document text
  • https://portoggitter.no/content/files/userfiles/file///58752462485.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202109250543373523.pdfIn PDF document text
  • https://we-plus.tw/ckfinder/userfiles/files/12266966797.pdfIn PDF document text
  • http://saopauloairporttransfers.com/ckfinder/userfiles/files/bowekomugikuja.pdfIn PDF document text
  • http://onlinemidias.com/ckfinder/userfiles/files/61469204857.pdfIn PDF document text
  • https://argumentua.com/i/file/moxir.pdfIn PDF document text
  • https://myparrotfood.com/user_files/files/taxiledamifulutalavekija.pdfIn PDF document text
  • https://naucharts.com/ckfinder/userfiles/files/2835215590.pdfIn PDF document text
  • http://s2group.pl/userfiles/file/merigiwokewa.pdfIn PDF document text
  • http://www.ecrivains-consult.fr/easyonline/ckfinder/userfiles/files/59141483545.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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