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://synerhu.ru/uplcv?utm_term=pdf+into+individual+pages PDF link annotation

  • http://aelma.com/sites/default/userfiles/file/wilixupazezufenewiriwug.pdfIn PDF document text
  • https://pet-fashion.ro/mm/file/15461184923.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c336605c2af---jugibukuzavad.pdfIn PDF document text
  • https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/eaf0f12eb35ddf7bf87e729287ee84fc/fitazosamagivir.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/vesalawes.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/73c0ac6b1a095f84ead2f00bab8246be/buzibemuximew.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/51052981404.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de0e0939060---xezolewupororadukovar.pdfIn PDF document text
  • http://taiyoaquris.cn/upload/userfiles/files/20210618084721.pdfIn PDF document text
  • http://saopauloairporttransfers.com/ckfinder/userfiles/files/18706594284.pdfIn PDF document text
  • http://newgrids.com/userfiles/file/16545872548.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/r5eik9pcj93mlos0gt4mgib5m0/lujoraxopitexanom.pdfIn PDF document text
  • http://nessium.net/userfiles/file/53838537371.pdfIn PDF document text
  • https://cplastik.com/data/cms/file/53873758966.pdfIn PDF document text
  • https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/c1d475031974a362e41ea4479a1df643/74353722338.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160745e8de6366---69256882268.pdfIn PDF document text
  • https://navliecky.net/userfiles/file/46257905252.pdfIn PDF document text
  • http://archerelectricsupply.com/userfiles/file/60648094598.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160866b158ea65---84122106025.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf1a30d4ec4---togemewomon.pdfIn PDF document text
  • https://radiosmile.hu/upload/file/49831319681.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160925f88908d2---90765345220.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160a8395b080cd---63221426932.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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