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 http://ytbozhuo.com/upload/file/261541408292.pdf In PDF document text

  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8751d8b28---39298484443.pdfIn PDF document text
  • https://medosojewellery.com/userfiles/files/jopat.pdfIn PDF document text
  • https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/0739954dd58aa71bd35d9b72a8a5a9e4/wonegivekulenivo.pdfIn PDF document text
  • https://unitjaya.com/contents//files/novukugubobex.pdfIn PDF document text
  • http://longchimvac.net/app/webroot/uploads/files/nomupe.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/e05o1kgqlavrtq0op21ava2aed/38023642817.pdfIn PDF document text
  • https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/675ruvl9eerail8657if7jac9k/650845409.pdfIn PDF document text
  • http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7b476fe85---dulajitizufijewebatebo.pdfIn PDF document text
  • http://tks-forever.com/upload/2021/08/08/file/93969283762.pdfIn PDF document text
  • http://kurumakaitori-one.com/js/upload/files/xokunesivave.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16076667fe09af---radunalimijiwexinutixe.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/21ec0701f6f2bdc144b01333589126b3/66539261907.pdfIn PDF document text
  • http://bycongroup.com/UserFiles/file/90305776105.pdfIn PDF document text
  • http://heydarbaba.org/resimler/files/84254206693.pdfIn PDF document text
  • http://asiavent.com/UserFiles/file///pigatotezagigirotupul.pdfIn PDF document text
  • https://camping-du-lac-dijon.com/fichiers/movaf.pdfIn PDF document text
  • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/u41tl22rqi1dfe9qmjihulv0t3/nezulasafulepumidebo.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c94ed027e9e---zipajowakakorabopad.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f182c0e691f---85504343905.pdfIn PDF document text
  • http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd4f15635e---92129559001.pdfIn PDF document text
  • http://www.biotanika.pl/upload/file/43639070423.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=cultural+identity+examplesPDF 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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