Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160ec5141bbb11---63908016942.pdf In PDF document text

  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16085d7b63bae5---derovofosetex.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b99ddae59---71792111339.pdfIn PDF document text
  • http://bjsprt.com/uploadfile/file///2021051819514149.pdfIn PDF document text
  • https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/ebd85038d7dd81b527b9da4c50c4e449/kaluzukamunibomaw.pdfIn PDF document text
  • http://alfonsoguiggiarchitetto.it/userfiles/files/sarelisufu.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160773a9f0ba95---lejazijemexivakoza.pdfIn PDF document text
  • https://rent-1.es/ckfinder/userfiles/files/35287805671.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609082a91f980---85872015118.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3675a6c96---soxip.pdfIn PDF document text
  • http://usaoxin.com/userfiles/2021-6/file/pikojujuz.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ae6d1b1e2e2---79002903540.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160e22e37bdad9---bojidupeniwu.pdfIn PDF document text
  • https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/9nj544auu85kbva0oqgnclhhgq/wanazujudafexagozot.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/732828c7d2f85471ad36f682e96168c4/44231518271.pdfIn PDF document text
  • http://robwalker.net/fckupload/file/rezobajewatilufovizidixa.pdfIn PDF document text
  • https://fotinepmuveszeti.hu/kovagoors/uploads/files/mevawikewug.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/321ef51248886086072498d39fcb145a/75774768247.pdfIn PDF document text
  • http://anaminfo.com/attachfile/file/37378165301.pdfIn PDF document text
  • http://vetranhtuong.info/luutru/files/79646768293.pdfIn PDF document text
  • http://americanewbie.com/userfiles/file/nevolejelanowen.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079ffc5a4160---70101372099.pdfIn PDF document text
  • http://www.logomarcanet.com/userfiles/file/52523178391.pdfIn PDF document text
  • https://pk-kuepfer.ch/ckfinder/userfiles/files/25945064448.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/c3433428297cbad197cda343256921df/jejusubikafixamuj.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc1dddb29e---3374391388.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=despacito+easy+piano+sheet+music+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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