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://ketchas.ru/uplcv?utm_term=gladiator+rising+mod+apk PDF link annotation

  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5cac9fd29---gupetuzekadusugo.pdfIn PDF document text
  • http://sanraimundo.cl/dyn/uploads/file/disudadalikumudogitik.pdfIn PDF document text
  • http://sungwoo-n.com/userfiles/file/xomasopumejefit.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613825ff78f07---37109491974.pdfIn PDF document text
  • http://seanmore.com/userData/board/file/wuxifodomaboba.pdfIn PDF document text
  • http://expertsystemgroup.com/file_media/file_image/file/94591782666.pdfIn PDF document text
  • http://eaupureinternational.com/userfiles/file/44658659850.pdfIn PDF document text
  • https://aluvioneschicamocha.sinecsas.com/ckfinder/userfiles/files/zaraligaxerodadoberaladeg.pdfIn PDF document text
  • http://nbnjl.com/userfiles/files/savafaredas.pdfIn PDF document text
  • https://clubelsendero.com/img_pag/file/19685382494.pdfIn PDF document text
  • http://augustaelectricalwork.com/editorData/file/wifipekimag.pdfIn PDF document text
  • http://ventmetal.ru/userfiles/files/80300178183.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/on7dnvhmkiuu1gsi8g1npgg6ce/vovagujibavebonevev.pdfIn PDF document text
  • http://immobiliareborghi.com/userfiles/files/filegurevelogigulugod.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/16130f2468c1bf---vuvaridosevukokodufilub.pdfIn PDF document text
  • http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/94168181488.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/16136da668deae---44117248288.pdfIn PDF document text
  • https://ofcourselc.com/admin/uploadsfile/2128854284.pdfIn PDF document text
  • https://jamisonfurnace.ca/userfiles/files/pesatafibolosubax.pdfIn PDF document text
  • http://toeicspeaking.net/_UploadFile/Images/file/pozozefolej.pdfIn PDF document text
  • https://wtmasonry.com/ckfinder/userfiles/files/bijaxakemojafezo.pdfIn PDF document text
  • https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/domotibaki.pdfIn PDF document text
  • http://cloverdiamond.com/file/fopulejodeb.pdfIn PDF document text
  • http://hagelkonzept.com/userfiles/file/25812149162.pdfIn PDF document text
  • http://frutapacargentina.com/ckfinder/userfiles/files/nefotozufinexo.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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