Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://infrive.ru/uplcv?utm_term=autocad+mechanical+2021+download PDF link annotation

  • https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/ds1i0b9uroc0jeqkro2evcdbo9/45247113463.pdfIn PDF document text
  • http://lorofilmes.com/Uploads/ckfinder/userfiles/files/mupifukademelusexetuxuw.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210621095604675527udcbwf.pdfIn PDF document text
  • https://lawtutors.co.uk/js/ckfinder/userfiles/files/39620007667.pdfIn PDF document text
  • https://pet-fashion.ro/mm/file/62138542488.pdfIn PDF document text
  • http://rentaruedas.com/files/others/vukulosometofinisidima.pdfIn PDF document text
  • http://nhs1968.com/clients/65482/File/39463667274.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160decaeba4e24---sujasogekaro.pdfIn PDF document text
  • https://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/fm88ls7lqlcitmdq7nef5h20o0/883119211.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160d5e13752683---30119959534.pdfIn PDF document text
  • http://asdgolfclubtoscana.com/writable/public/userfiles/file/77511470984.pdfIn PDF document text
  • https://alatheir.com/atheirwsfiles/file/2120551389.pdfIn PDF document text
  • http://noithattamphuong.com/upload/files/jivoxorivedibowekenulik.pdfIn PDF document text
  • http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/335a397d1072656a578c8265086f95a7/ravixoboxuxubogabara.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/75143414404.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/jd2nq562chdnm22mohnudagb1c/pawonosuw.pdfIn PDF document text
  • https://taxiporec.top/wp-content/plugins/super-forms/uploads/php/files/qf3q34jivs7jvfld8ufkougkpd/84172573369.pdfIn PDF document text
  • https://oceanflowerhotel.com/uploads/image/files/sipoxezazojefuropibulebig.pdfIn PDF document text
  • https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/a83c191cd10d329f8dd18e01da459e65/45538446771.pdfIn PDF document text
  • https://cosplay-expo.it/ckfinder/userfiles/files/jalufibe.pdfIn PDF document text
  • http://biomisszio.hu/tmp/putovawufugumepuxop.pdfIn PDF document text
  • https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/bd58203645be6f0cb932ce65a661ad1b/33320139200.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/cgs1q0ghf6taeerc840hrbivu3/30131127130.pdfIn PDF document text
  • http://mmckno2010.zkosuchdol.info/files/78592323310.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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