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.
• JavaScript action low PDF_JAVASCRIPT
  PDF contains a /JavaScript action. 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://pistant.ru/uplcv?utm_term=hemiparesis+stroke+pdf PDF link annotation

  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160759baea0740---lozod.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/161300075a2488---3788012444.pdfIn PDF document text
  • http://daedukgs.com/admin/fckeditor/data/file/20210617175718.pdfIn PDF document text
  • http://dobrasekacka.cz/userfiles/file/49099316619.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/b99dad5894a7dbcac9c48d9952281d1d/puganinimubudi.pdfIn PDF document text
  • http://kasaitogo.com/uploads/files/gugurarawam.pdfIn PDF document text
  • http://atol-res.pl/uploads/file/jemoz.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606f026e76edc---jinusalonapekipifi.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/22eb10aa5ff4f75c7b28753138858806/65534918225.pdfIn PDF document text
  • https://concertwristband.com/resimler/files/vinusijenifojadijaki.pdfIn PDF document text
  • http://www.bsa.by/ckfinder/userfiles/files/gabejefe.pdfIn PDF document text
  • http://asbufestival.com/uploads/FCK_files/file/16504183670.pdfIn PDF document text
  • https://imagebeaute.fr/userfiles/file/42538601877.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/4ii4078a06r7cls2f35eps8io1/nukimakazipuloxirirosor.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609418e996d4d---pebizupupe.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/ccc7b2916b300d7ef2b02b227aa949c9/sujisufob.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607940648490a---vuxazufumowobijom.pdfIn PDF document text
  • http://fundacjaproartis.pl/javascript/ckfinder/userfiles/files/45813774002.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/cvs8nvn77j1rm9ve0ljss55pg2/laxifizip.pdfIn PDF document text
  • http://www.pranabkumar.com/fckimages/file/disefagudaru.pdfIn PDF document text
  • https://liniagdanskzydowo.pl/files/51559588337.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9dfb695a30---65399871081.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f1d893811c2---22255744884.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609d50335f965---77306309140.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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