Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://crysiq.ru/uplcv?utm_term=best+way+to+set+up+android+phone PDF link annotation

  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161382755880e4---kewenuvajaboregotanepo.pdfIn PDF document text
  • https://dongphuchuytai.com/upload/files/goxefosidofulizezosu.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec739c8ac1---71159998149.pdfIn PDF document text
  • http://xn--o79av69abka850ab6c.com/upload/file/202109011404543641.pdfIn PDF document text
  • http://villalapinetafavignana.it/userfiles/files/81061467614.pdfIn PDF document text
  • http://cristal-in.fr/userfiles/file/56515906125.pdfIn PDF document text
  • http://apexibd.com/uploads/fck_uploads/file/lizusofemusekilasixazurev.pdfIn PDF document text
  • http://proficlim.ru/public/userfiles/file/37349803186.pdfIn PDF document text
  • http://polipack.ru/content/file/58416468099.pdfIn PDF document text
  • http://zhfangyuan.com/uploadfiles/files/xosawivilot.pdfIn PDF document text
  • http://staractivecollection.com/resimler/site/files/51078196800.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/99a3659903d8ab2ba57f5bcd0ef67364/bebaxufo.pdfIn PDF document text
  • http://krzysztofmalec.pl/gfx/fck/file/sepitoravonalir.pdfIn PDF document text
  • https://proartgaleria.hu/files/files/fusiraduvisofevodinasun.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16133eca003f4e---31816951480.pdfIn PDF document text
  • https://izometal.net/mm/file/rijotegasefowumokifumo.pdfIn PDF document text
  • https://calprin.com/ckfinder/userfiles/files/59007749136.pdfIn PDF document text
  • http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/pazidowesenevopimupapej.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/161305071c70d7---ramulexojo.pdfIn PDF document text
  • https://traiteur-troyes-mariage-buffet-aube-10.blaisot-traiteur.fr/ckfinder/userfiles/files/pisipir.pdfIn PDF document text
  • https://maggies-handmade.com/UserFiles/files/31830601081.pdfIn PDF document text
  • https://machnik.net/ckfinder/userfiles/files/walixajuber.pdfIn PDF document text
  • http://brkvinc.com/userfiles/file/70471720041.pdfIn PDF document text
  • http://zehanbiopharma.com/upload/files/pulefugisa.pdfIn PDF document text
  • https://protum.se/file/87980498407.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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