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://krisoc.ru/uplcv?utm_term=give+me+give+me+all+night+long PDF link annotation

  • http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5ff859fddd---gutaxalapefovome.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/20407268040.pdfIn PDF document text
  • http://alexhofford.com/temp/files/file/89528675225.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607f71a59997f---14606021282.pdfIn PDF document text
  • https://hunde-katzen.at/soubory/42360171049.pdfIn PDF document text
  • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/cc2258b5866d47377661adf7d4e6bc26/29824519395.pdfIn PDF document text
  • https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/a0286b752fda22886619d9b7635ada7d/tarubawuxeked.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/nagexodavituxumab.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a497cf78fd2---48062734469.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/1c2594d425ef3dc8cdea8ab7760000d5/ponagaguwigokalupafe.pdfIn PDF document text
  • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/tbpt4lsfqv3i3kjli27qn2otu7/tezujagis.pdfIn PDF document text
  • https://kodcomputers.ro/2664/uploads/lifezimawatikoxipapitaso.pdfIn PDF document text
  • https://jdlpartnerss.com/userfiles/file/41524787143.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/48c36e07c489f8cd067d19bdb243b5a6/23613440446.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609de547719df---6049671731.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fbfda87c4d---pitiforenizujefila.pdfIn PDF document text
  • https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/d81b7d7d668a40b82bf2c5e82d573ac3/73759450235.pdfIn PDF document text
  • http://dreamcatcherltd.com/userfiles/file/51759887518.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/b90ba54e6a0d439c615ec83295f833c4/mirazedinekedipadasu.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/bd7a20e5f6f196d9b2373811e2f2a74a/kurefiwub.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071779d0bf3d---nemiginilivu.pdfIn PDF document text
  • https://etonbio.com/newsLetters/images/file/68143790687.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9c2fe31ea---gufulaselajufuv.pdfIn PDF document text
  • http://praxis-greve-polley.de/web/editor/files/56896642944.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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