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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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 http://zelene-centrum.cz/webpagebuilder/ckfinder/userfiles/files/duniwefo.pdf In PDF document text

  • https://promenade-perpignan.com/userfiles/file/pakufewefamakokiruwazidod.pdfIn PDF document text
  • http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606fedfa4f608---10923096985.pdfIn PDF document text
  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080863f1ab52---95833267309.pdfIn PDF document text
  • http://www.yankey.com.tw/demo/public/editor/ckfinder/upload/user_upload/files/73918245004.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/16100f88736ae3---89311880199.pdfIn PDF document text
  • https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/020af00690c54cb6ec618b0e388db017/mitisupibuko.pdfIn PDF document text
  • http://bapassamarinda.id/assets/ckfinder/core/connector/php/uploads/files/xiforudovofazusiwusu.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160fd039ccc29d---mugopibibitujo.pdfIn PDF document text
  • http://55pluscommunityspecialist.com/userfiles/files/kalawuwalerelezojurufexin.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/4dad7881431b1b8d536f4c6b7e85bf0a/86333793576.pdfIn PDF document text
  • http://sosonomo.com/ckfinder/userfiles/files/85054340096.pdfIn PDF document text
  • http://strojsteel.cz/webpagebuilder/ckfinder/userfiles/files/5354426094.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1607d757b34b31---feromevaxidolas.pdfIn PDF document text
  • http://coffee33.ru/archive/file/96947464313.pdfIn PDF document text
  • https://cmflower-kkc.com/ckfinder/userfiles/files/telumorepagadiwupuvuguted.pdfIn PDF document text
  • http://vitanova-cattery.com/upload/file/49386634625.pdfIn PDF document text
  • http://twilaw.com/files/files/19552000656.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/e2vp12rnlok43f3au2o87bhi25/37306325888.pdfIn PDF document text
  • http://elhammagazine.com/ckfinder/userfiles/files/zuwilixawe.pdfIn PDF document text
  • https://jingchengs.com/jingchengs/ckfinder/files/20210830022535.pdfIn PDF document text
  • https://hkbca.org/UploadFiles/file/20210624122447104.pdfIn PDF document text
  • http://benetworkingpro.com/ckfinder/userfiles/files/44210362603.pdfIn PDF document text
  • http://bbfrontedelmare.com/userfiles/files/kekev.pdfIn PDF document text
  • https://bodykneadstherapy.com.au/ckfinder/userfiles/files/81903937587.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=english+authors+biography+pdfPDF link annotation
  • 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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