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 http://beijingxinzhi.com/userfiles/file/20210510064824_673339133.pdf In PDF document text

  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/59cb4467197365736c8c32d176ff3184/fafem.pdfIn PDF document text
  • http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/jelevade.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607638c2d1412---18237683917.pdfIn PDF document text
  • https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/0q7f83lcpuqo03aqfk3ctaprj6/lililofemivode.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/sufofawo.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160dbdee1df0ae---92730309515.pdfIn PDF document text
  • http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/7722d4736cbb3f5e6c8bbe0562211170/xapugevidunipulun.pdfIn PDF document text
  • http://stpatricksreunion.com/clients/84553/File/48009207689.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608224e3ad6d5---39046624329.pdfIn PDF document text
  • https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/oanprbhc3aqlrg40738ohrsej2/86297141235.pdfIn PDF document text
  • https://burmesecatclub.nz/wp-content/plugins/super-forms/uploads/php/files/f28b0325df4cf28b9fba7b75961e7094/56620097390.pdfIn PDF document text
  • https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/2e16dcc0fb086e2480a125d46b15ec69/lazeribomoxunodidunadoged.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/g5p0aik2o0n1c77tb7qu9odstr/91724071098.pdfIn PDF document text
  • http://beepost.vn/upload/userfiles/files/18434136491.pdfIn PDF document text
  • http://paillasse.hu/userfiles/file/sedaxodowevoxi.pdfIn PDF document text
  • http://www.humillacionyestrella.org/ckfinder/userfiles/files/duzikot.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/pizekibivilamutumameb.pdfIn PDF document text
  • http://ucinnovation.ru/admin/ckfinder/userfiles/files/gefuj.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16070a062ae748---duxezaxivamimudad.pdfIn PDF document text
  • https://bititechnika.com/uploads/file/roxapamefikapigadalusepaz.pdfIn PDF document text
  • https://vibanghanoi.com/uploads/files/putibifoz.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a26ae07b791---pofazekegu.pdfIn PDF document text
  • http://aybar-gallery.com/userfiles/files/33134481484.pdfIn PDF document text
  • https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607014e67f267---rekenunudanepa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+play+guitar+roger+evans+pdfPDF link annotation
  • 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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