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://garglob.ru/uplcv?utm_term=housing+and+clothing+worksheets+for+grade+2 PDF link annotation

  • https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/5706d4cdff420796bcc1442e4daba3fc/12601061434.pdfIn PDF document text
  • http://mamolenasnc.it/userfiles/files/84329303815.pdfIn PDF document text
  • https://infypos.com/infyposcms/media/diduvubagekurugonaze.pdfIn PDF document text
  • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/694d8c30df2e354893d67eafd95b3375/77852587771.pdfIn PDF document text
  • http://identik.hu/editor_up/39504447286.pdfIn PDF document text
  • https://ekselantechnology.solutions/ckfinder/userfiles/files/juguze.pdfIn PDF document text
  • http://laros.cz/UserFiles/file/6790302267.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210601080314288781t6h3bh.pdfIn PDF document text
  • http://www.ccengis.be/applications/ckeditor/addons/ckeditor/ckfinder/userfiles/files/kezipakepudotuzamefoz.pdfIn PDF document text
  • https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/a17a91073b7fd7331383fbbdb0a6ad6d/54330751325.pdfIn PDF document text
  • http://tfh-filter.hu/_user/file/nunebidulamagozumurari.pdfIn PDF document text
  • http://suachuaspa.com/upload/images-content/files/nuroremavuvifepa.pdfIn PDF document text
  • http://www.ondebiz.com/userfiles/file/towixomutozu.pdfIn PDF document text
  • https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/bffcfe658d50e81aeeb9b9b58129fefe/83005189482.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a264d451e7b---41944501471.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c111b41872---79148591832.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/mudimajipitabibaput.pdfIn PDF document text
  • http://clean-ecology.com/Upload/files/14753355793.pdfIn PDF document text
  • https://resulgame.com/calisma2/files/uploads/dodofunijumavana.pdfIn PDF document text
  • http://thechelseaff.com/user_uploads/files/pezifa.pdfIn PDF document text
  • https://quimicasorocolor.com.ve/ckfinder/userfiles/files/memawerebowozivanuga.pdfIn PDF document text
  • http://klimatyzacjaradom.pl/userfiles/file/zewomadonefuzasanemuperan.pdfIn PDF document text
  • https://amgaa.org/temp//files/gefixefuv.pdfIn PDF document text
  • http://barrybusiness-crm.com/ressource/devis-photo/files/fobutasigokoduwipezokowi.pdfIn PDF document text
  • http://valkexclusief.reviews/app/webroot/files/userfiles/files/rusubemigeg.pdfIn PDF document text
  • https://nutricount.cz/UserFiles/File/28910636615.pdfIn PDF document text
  • https://bruceautoservice.com/files/file/pamisaganabuxupum.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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