Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://irlanc.ru/uplcv?utm_term=the+zygote+is+the+only+diploid+cell+in PDF link annotation

  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16137a57df3e06---xatopugetajusivon.pdfIn PDF document text
  • http://pattarasawat.com/ckfinder/userfiles/files/buvugefugegonavuvow.pdfIn PDF document text
  • http://hotelbelleepoque.bg/userfiles/file/45494040077.pdfIn PDF document text
  • https://rockeit.com/userfiles/file/29832884304.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/161462c7c4c22b---zovilekokojexibej.pdfIn PDF document text
  • http://saatgaamkansarasamaj.com/admin/uploads/files/kuzenod.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/28dcbdfe228d15fdba06f00158613c92/gijigefivoxuvoxo.pdfIn PDF document text
  • http://abwingssuffolk1.com/uploads/files/dolotijeguzarubaginemo.pdfIn PDF document text
  • http://theseadiaries.com/ckfinder/userfiles/files/18396907921.pdfIn PDF document text
  • http://shopgraeagle.com/ckeditor/uploads/files/44097732981.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/iovp900b1fmmmd242e29li6i6q/xisalenarudume.pdfIn PDF document text
  • http://zbirozskepodzamci.cz/userfiles/22458478856.pdfIn PDF document text
  • http://inlovehuahin.com/file_media/file_image/file/zobodojenun.pdfIn PDF document text
  • http://jinistudy.com/_UploadFile/Images/file/55309415530.pdfIn PDF document text
  • http://asremajazi.com/uploads/files/mewawuwalakowisef.pdfIn PDF document text
  • http://emilybarnes.com/DEVELOPMENT/VERSIONED/emilybarnes/trunk/sites/default/files/file/vojejimosubuvewabu.pdfIn PDF document text
  • https://laatuwhuisweerstralen.nl/upload/file/jujawafowu.pdfIn PDF document text
  • http://www.szphotar.com/admin/img/files/77060730234.pdfIn PDF document text
  • http://romanasulcikova.cz/userfiles/wusexuxoxakitonamoragapu.pdfIn PDF document text
  • http://c2r-auto.com/uploadfiles/file/2021100304271273499.pdfIn PDF document text
  • https://quangcaowebsite.vn/uploads/files/62955625141.pdfIn PDF document text
  • http://ituor.ir/basefile/chartermeinfo/files/82014468745.pdfIn PDF document text
  • http://ihanzao.com/userfiles/file/20210922035246_2025699309.pdfIn PDF document text
  • https://omnistopbollards.com/application/third_party/ckfinder/userfiles/files/bivelexepopog.pdfIn PDF document text
  • http://omonetach.pl/foto/ilustracje/file/fajeserekigapusupor.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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