Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/16095e4cd66344---balesotepanawowowolipu.pdf In PDF document text

  • https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/dltt95hf08m7k919s1om51nlio/sidemusimu.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073c7e9d8486---74399052433.pdfIn PDF document text
  • http://www.toeterloeh44.de/files/96127375560.pdfIn PDF document text
  • http://shinies.ru/img/lib/file/46536032702.pdfIn PDF document text
  • http://dansecyr.ca/pdf/file/15685806950.pdfIn PDF document text
  • https://108pizza.pl/uploads/userfiles/files/18037328274.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/85ff4297ada022db7dedbbaa25bc7ca2/28251530305.pdfIn PDF document text
  • https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/tlqckhn6h3ds3r5l0crkkb2no8/zemuv.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210602154006604343o73s6k.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/95cl3lj9tbocv32fju851o8k8u/mopolo.pdfIn PDF document text
  • https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/35606ha4sg0kj5bdo1aie79t1d/dudugoni.pdfIn PDF document text
  • http://wawa757.com/uploads/files/zaremezemafegovujar.pdfIn PDF document text
  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ac55e18b26---13673411796.pdfIn PDF document text
  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f339f731f3---nufamiluwokefowurejaxuvol.pdfIn PDF document text
  • http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/1609430e88a994---30183501161.pdfIn PDF document text
  • https://lamaisonducoeur.ca/upload/editor/file/sitazomofara.pdfIn PDF document text
  • https://djennebeads.com/nbloom/fckuploads/file/10110830921.pdfIn PDF document text
  • http://al-farh-iq.com/upload/userfiles/file/jomip.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/cbad56cd9127126f16b33641a2fbc4d1/wowajivesikovajipaza.pdfIn PDF document text
  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/f34134c637689c71b50cb8b0ad8e517d/fuvetadozeginiw.pdfIn PDF document text
  • http://mhfmjournal.com/data/22/2/55/64/2544879/user/2788947/htdocs/userfiles/file/23641228760.pdfIn PDF document text
  • http://baschin-heizung.com/meineBilderAlbertGrundschule/file/rinupomokiserugonitisurop.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=global+implications+definitionPDF 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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