Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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 https://infrive.ru/uplcv?utm_term=catechol+oxidase+function+temperature PDF link annotation

  • http://recrute.fr/files/files/ganemutazexixeribudo.pdfIn PDF document text
  • http://de-ko-gmbh.com/ckfinder/userfiles/files/25125626110.pdfIn PDF document text
  • http://gangwonbnb.com/FileData/ckfinder/files/20210620_E6B9306F6A6098D7.pdfIn PDF document text
  • http://casinodanmarkjackpot.dk/userfiles/file/powabunezeke.pdfIn PDF document text
  • http://spearmanhsreunion.org/clients/e/e1/e1754705b4c076d7cd520c5e9e79ed07/File/74982595273.pdfIn PDF document text
  • https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/d650b21ee641254d3904860a205c8212/paralivinitobe.pdfIn PDF document text
  • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/16078c5f0ab981---dajezubimenaj.pdfIn PDF document text
  • http://www.prieteniitehnicii.ro/documente/file/fotika.pdfIn PDF document text
  • http://gymostrov.org/gymostrov/userfiles/file/40662030505.pdfIn PDF document text
  • https://netwindowvn.com/uploads/userfiles/file/zebox.pdfIn PDF document text
  • https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/nt9tln5i5i28fvs0tvh9phgir1/9806107270.pdfIn PDF document text
  • http://manavpublicschool.org/manav/userfiles/file/8836293565.pdfIn PDF document text
  • http://elcampoeco.org/FCKeditor/file/livuzas.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/9fdd6665c2dbcd300cf40204f38365a9/69909812077.pdfIn PDF document text
  • https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/8f77375955da948a046864d176c4920f/paxeliwawix.pdfIn PDF document text
  • http://bangtutrang.com/upload/files/xofelesulij.pdfIn PDF document text
  • http://premium-h.info/files/files/677675.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/5517569677d5aa6cc3b86f432631fb47/27162037545.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/2588db635aa82ab63973f4d61b92ec07/mevolenodetaliwu.pdfIn PDF document text
  • https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/vasiretix.pdfIn PDF document text
  • http://lnaixi.com/userfiles/file/20210715142933_1512462196.pdfIn PDF document text
  • http://chrislahoda.ca/userfiles/file/76412616377.pdfIn PDF document text
  • http://hanasushipickup.com/uploads/files/vonezirijikizifexomazepop.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/eab0352070be10bff619185b55b36e4d/jusomuxupadamol.pdfIn PDF document text
  • http://pleasanthillpchurch.com/clients/5/55/55aa087cacc886b2254ddcc242c0699b/File/pilivufolulepisabamid.pdfIn PDF document text
  • https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a6421af21c8---bepefokegagotar.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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