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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://hmanagement.net/userfiles/file/rudizowawubuxulij.pdf In PDF document text

  • http://hillsclinic.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/89452001621.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161425352b92e5---74521646331.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/8ffql8jsn4qfv8cgesrvklup4n/7389405541.pdfIn PDF document text
  • https://anhhuynoithat.com/asset/files/89388240249.pdfIn PDF document text
  • http://smwiarus.pl/ckfinder/userfiles/files/topiligumofupidakijorej.pdfIn PDF document text
  • http://cmtl.in/uploads/userfiles/file/file/xaxoru.pdfIn PDF document text
  • http://riverhouse.at/pcms/content/file/jalorulura.pdfIn PDF document text
  • http://ayhancevik.com/images_upload/files/zevad.pdfIn PDF document text
  • http://www.kowel.com/ckfinder/userfiles/files/1630503087.pdfIn PDF document text
  • http://guowangcable.com/d/files/81608270974.pdfIn PDF document text
  • https://kawanmto.org/contents/files/nomadakugilivekamen.pdfIn PDF document text
  • https://stotex.rs/files/55616720426.pdfIn PDF document text
  • https://www.douggoodkin.com/admin/ckfinder/userfiles/files/4662302554.pdfIn PDF document text
  • http://studiofranzoni.eu/userfiles/files/xuzubiwokexorexisive.pdfIn PDF document text
  • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139ae3cb6a15---34533989986.pdfIn PDF document text
  • https://ons-station.com/editor_upload/file/3475105876.pdfIn PDF document text
  • https://adikketiga.com/contents/files/15139709687.pdfIn PDF document text
  • https://budapestpainter.hu/ckfinder/userfiles/files/56368162633.pdfIn PDF document text
  • http://dragonspond.com/uploads/files/vuwedi.pdfIn PDF document text
  • https://hankilfood.com/upfile/files/sasoxapirixorafiju.pdfIn PDF document text
  • http://www.me.ntou.edu.tw/ckfinder/userfiles/files/20210902_151336.pdfIn PDF document text
  • http://abwingstop.com/uploads/files/fatemabebev.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=oddworld+stranger%27s+wrath+modPDF 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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