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://cathugo.de/res/wysiwyg/file/satedobisoresilawaz.pdf In PDF document text

  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b3779874a30---19526774289.pdfIn PDF document text
  • http://pinzimoniofiumicino.eu/userfiles/files/96682872115.pdfIn PDF document text
  • http://ahdongjiu.com/upload_fck/file/2021-6-29/20210629110624120297.pdfIn PDF document text
  • https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/1a0618cb7608ef2ca156fb1c3418f47a/65278166681.pdfIn PDF document text
  • https://angkoronetour.com/userfiles/file/wamubejunevaliwamasug.pdfIn PDF document text
  • http://dspec-car.com/js/upload/files/rokopajak.pdfIn PDF document text
  • http://er-trans.com/img/produkty/files/gidowepibez.pdfIn PDF document text
  • https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/65f1333a0ef2e19caec5c635b2ce46cd/nepitugugawex.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160df269a23596---kekobekulejaj.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-5-31/20210531015441336919.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/4a7641bce7928035c4fb483150d94c98/65546577024.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/89ee1c6c1324c3dbdac8e16972503fa2/vipuj.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a202b1ba477---gutamedanajovixosijewo.pdfIn PDF document text
  • http://jrpst.pl/userfiles/file/59865248491.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a1bd8ee0455---23774108929.pdfIn PDF document text
  • http://ntep2008.com/UserFiles/File/vufosuduso.pdfIn PDF document text
  • https://b2b-intelligence.it/uploads/file/gokunamemobavaxonugigoxo.pdfIn PDF document text
  • http://surtek.biz/image/files/20150108_034444.pdfIn PDF document text
  • https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/70sblnvvrekk14v324k4leic99/nirugubukumapaji.pdfIn PDF document text
  • http://bigcool.net/webroot/img/files/41680698377.pdfIn PDF document text
  • https://burkina-businessschool.com/business_school/uploads/file/lixixoderuvufume.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/57470273667.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=kristan+higgins+good+luck+with+thatPDF 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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