Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Invisible/repeated PDF links deliver payload file critical PDF_REPEATED_PAYLOAD_LINK_LURE
  PDF uses invisible link annotations and points to a direct payload download. Repeated invisible links or lure-like payload names such as document/unlock/verify archives match malware-delivery PDF carriers where the page is only a prompt and the real payload is fetched from the linked URL.
• 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.
• 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 http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160a08eaf1017d---puvufe.pdf In PDF document text

  • https://bomberosdenavarra.com/userfiles_nexo/files/65620036092.pdfIn PDF document text
  • https://www.paseppe.gr/ckfinder/userfiles/files/75112454854.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4839a1b57---35955963764.pdfIn PDF document text
  • http://mofrantech.com/userfiles/file/83343758648.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa69fb6478---fepexexasubatodi.pdfIn PDF document text
  • http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16096f882574bc---sedatoloma.pdfIn PDF document text
  • http://antonio-pelella.eu/userfiles/files/fapipobaxut.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/kol4a6qlghaaf3t2vhk0umof4s/sanexopobeju.pdfIn PDF document text
  • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/375b924eb01b03cea7ca1b54882da142/8589202951.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160945ccbc0b3b---miruditetotazo.pdfIn PDF document text
  • https://chris-arnold.com/userfiles/file/safutadodikibudixudapaxa.pdfIn PDF document text
  • http://edu-family72.ru/content/images/uploads/file/25297251643.pdfIn PDF document text
  • http://krevue.cz/UserFiles/File/daxeridal.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1e8be5074a---mafapido.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca1c31a4ff1---87954014238.pdfIn PDF document text
  • https://weeb.nu/userfiles/file/puporaxizusadirum.pdfIn PDF document text
  • http://onsijsselstein.nl/userfiles/files/rukitete.pdfIn PDF document text
  • http://waycreon.net/bhaskar/yii/upload/files/boxifovavevoxi.pdfIn PDF document text
  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/d7fb6419db2c5309fec94778a947cddc/guged.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/vuxekotufosefakif.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/057530c9a48054908bfd84ba42197311/sobine.pdfIn PDF document text
  • http://ahdongjiu.com/upload_fck/file/2021-4-29/20210429083118706153.pdfIn PDF document text
  • http://bidmitt.com/img/files/file/nivikemotiziguvof.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=rome+total+war+2+emperor+edition+steam_api.dllIn 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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