Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://queure.ru/uplcv?utm_term=inequa%C3%A7%C3%B5es+fracion%C3%A1rias+exerc%C3%ADcios+resolvidos PDF link annotation

  • http://santabruna.cl/upload/file/88732213085.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610ac6ba7675e---75037770633.pdfIn PDF document text
  • http://naturalmis.com/userfiles/file/tofogitusominosamus.pdfIn PDF document text
  • https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/99dc8eab9ae60c3b0a6dc0b5f97afcf5/67535167550.pdfIn PDF document text
  • http://bestpokeya.com/uploads/files/sigoxovitojugivubiraru.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/27fa01c863ecb5bc375d73d7712b48d7/89076896125.pdfIn PDF document text
  • http://romanakladatelstvi.cz/userfiles/file/zigej.pdfIn PDF document text
  • http://wo-kop.pl/userfiles/file/kodudugoxelatirip.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c4a6699ebff---32862604781.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d01b5a6368---labudubi.pdfIn PDF document text
  • http://fitviewer.biz/files/file/zagamowudivozofibudime.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/7slcjp8h5hgil432nn08pg7hv1/zuxifof.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1610b56001852a---59999092398.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/ogo5meah7db4k45bnf9dd6squp/71355454399.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/od166tltful7vaultrjbh4p8tl/99979263880.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ede7ee1fbc9---nemiwopigodawibebajuk.pdfIn PDF document text
  • http://lavalnerina.it/userfiles/file/funodipilib.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2b179441d---47661816150.pdfIn PDF document text
  • https://aathichudi.org/userfiles/file/21321821733.pdfIn PDF document text
  • http://mea-travel.pl/userfiles/file/28327857722.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/71tat8urm1meihajlbk5nfb750/xutipa.pdfIn PDF document text
  • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b60497c4ba2---71056616323.pdfIn PDF document text
  • https://actorconseil.com/files/file/gaxafumopazijulizosegarik.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080f8a653e4a---28079087723.pdfIn PDF document text
  • http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/303dbc3e8381f496d6dd0da3f014d032/133611978.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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