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
• 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.
• 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=confusable+words+in+english+pdf PDF link annotation

  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/89be528c99584ee12997c21fe2bc9ee7/nurinijavivekizafibe.pdfIn PDF document text
  • http://stellarvvv.ru/ckfinder/userfiles/files/letig.pdfIn PDF document text
  • https://drinkpoint.com/uploads/files/fasiwo.pdfIn PDF document text
  • http://taeguektour.com/FileData/ckfinder/files/20210615_AF55FBC57BB8ABD1.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608cf0ec32990---xataduxalozudupo.pdfIn PDF document text
  • http://billedbutikken.dk/articlefiles/file/53869986289.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608339277ebc0---laboromivowitan.pdfIn PDF document text
  • http://deeringbayrealestate.com/userfiles/files/vosamubalojusikod.pdfIn PDF document text
  • https://arhstroi.by/uploads/files/lolaj.pdfIn PDF document text
  • http://chronicles.ae/userfiles/files/bududazoj.pdfIn PDF document text
  • https://debcopharma.com/userfiles/file/beraliga.pdfIn PDF document text
  • http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/c431e529b3a2ac8753d45928ef037e99/xedewabofaloxopelaxeki.pdfIn PDF document text
  • https://tour-paris-guide.com/cite_imgs/file/xuvekinejaluxomol.pdfIn PDF document text
  • http://dalboncostruzioni.it/userfiles/files/62097533361.pdfIn PDF document text
  • http://www.darvidproperty.com/news/file/13933857532.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607942a612c33---98004850747.pdfIn PDF document text
  • https://dennismaloney.ca/upload/editor/file/64110426529.pdfIn PDF document text
  • http://aranysolyomfeszke.hu/editor_up/57708085923.pdfIn PDF document text
  • http://diodelumi.com/ckfinder/userfiles/files/timud.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee4d2251b14---xenigamajipuvefugobasa.pdfIn PDF document text
  • http://evo-models.com/uploads/userfiles/files/26375570866.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/16124246dd7428---68887766131.pdfIn PDF document text
  • https://www.assessment.unibe.ch/app/webroot/js/ckfinder/userfiles/files/48769886510.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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