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://smidgel.ru/uplcv?utm_term=interchange+5th+edition+intro+student+book+pdf+free+download PDF link annotation

  • http://cieplej.pl/imgturysta/file/remixujowozifadojufan.pdfIn PDF document text
  • https://markaoyun.com/calisma2/files/uploads/pawimosulugulevagu.pdfIn PDF document text
  • https://i-chat.tw/js/ckfinder/userfiles/files/89184362896.pdfIn PDF document text
  • http://fabriziocar.it/userfiles/files/94558638292.pdfIn PDF document text
  • https://atlantidegattico.it/file/62340658881.pdfIn PDF document text
  • https://onutglen.com/caningest/images/file/44539026172.pdfIn PDF document text
  • https://sealand-pptc.com/userfiles/file/mozibubidisivadalowamu.pdfIn PDF document text
  • https://kingcom.edesign.fr/gr33/web/uploads/assets/file/4122863912.pdfIn PDF document text
  • http://czyxchem.com/upload/files/63413448036.pdfIn PDF document text
  • https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/97798fc83a074fe45af0f6e8e5b848ce/60213637052.pdfIn PDF document text
  • http://aasghsflqsae.handylover.com/upload/files/nujifejutevaginije.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-9-5/20210905173847740764.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/1fcd89ba660ec762fd7c3b371b6796f6/51899077232.pdfIn PDF document text
  • http://ottotech.center/userfiles/file/37330382845.pdfIn PDF document text
  • https://dunakanyarfesto.hu/ckfinder/userfiles/files/9855915093.pdfIn PDF document text
  • http://firewheels.pe/userfiles/file/79030095621.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161359052ae298---lagopobapowubodeme.pdfIn PDF document text
  • https://debcopharma.com/userfiles/file/86125973427.pdfIn PDF document text
  • https://stpatswatertown.org/ckfinder/userfiles/files/nipenejapa.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613a261243862---jisirigumadoloxugozosovo.pdfIn PDF document text
  • http://matkinhantai.com/luutru/files/zenoxosakilofinamusu.pdfIn PDF document text
  • https://thefertilizerproductionline.com/d/files/gotiwapubovu.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/b59sg7mtgl0psl5841idbj70rd/62553748732.pdfIn PDF document text
  • http://www.psychophonie-tarbes.com/ckfinder/userfiles/files/49535511067.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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