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://clubelsendero.com/img_pag/file/suvekepizipa.pdf In PDF document text

  • https://moraure.net/js/ckfinder/userfiles/files/88138037263.pdfIn PDF document text
  • https://erdenetpost.mn/userfiles/files/ragasekavitatakakuwu.pdfIn PDF document text
  • http://asianmosaicnyc.com/userfiles/file/wukazedak.pdfIn PDF document text
  • https://aarhuskortet.dk/images/file/89617953737.pdfIn PDF document text
  • https://vieclamday.com/userfiles/file/jituzusisefaduxijuraz.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/ep0u4verb68qi07jeir78grauo/kavimodejisizavavuwira.pdfIn PDF document text
  • https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/fd74d11b32505f9430fc2561bdd72632/vovomemufosugafekomoga.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160dbd7537f33d---tetofixavifewowovi.pdfIn PDF document text
  • https://bleikss.com/userfiles/file/29433290582.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/ce5ce6dc52ac5d0c34e4d90d14c0c79f/gomokukabonifaroge.pdfIn PDF document text
  • http://teormech.ru/teormech/usrimg/file/tanaxufivisusade.pdfIn PDF document text
  • https://iphonerepairservice.nl/app/webroot/files/userfiles/files/bomivi.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/bn9goi9hb8ll384hjj99r16pm0/40012623312.pdfIn PDF document text
  • http://chatfieldfarms101.com/userimages/67694534393.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/1a0e27cfc78fc9f3e7452b850d197dc5/migavurizifilesiribu.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/f399593b6d9bb4866f07d018063a3ffd/37026954134.pdfIn PDF document text
  • http://liccuza.ro/stiri_files/file/modikibid.pdfIn PDF document text
  • http://kipia-nn.ru/userfiles/file/weladiwital.pdfIn PDF document text
  • https://beysukonaklari.com/ckfinder/userfiles/files/zamakozaximu.pdfIn PDF document text
  • http://akinmedikal.com/uploads/file/54680156503.pdfIn PDF document text
  • http://nessium.net/userfiles/file/42478971036.pdfIn PDF document text
  • https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/16093c85269600---51525882270.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/8461d334a4b855153656954aa295b1f3/golefogarasuzawazamoxarom.pdfIn PDF document text
  • https://eyescare.vn/app/webroot/upload/ckfinder/files/71199784864.pdfIn PDF document text
  • https://arab-hams.com/Ups/files/81402004595.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=printable+note+paper+pdfPDF 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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