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 http://md-servicios.com/userfiles/file/25522962386.pdf In PDF document text

  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/161641db75373c---90069325317.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/7cf58b6bcc7c9d458d5a0f3198a1c010/21197814877.pdfIn PDF document text
  • http://sportsbettingconsultants.net/cote_dor_import/admin/ckfinder/userfiles/files/voruf.pdfIn PDF document text
  • https://5a.ro/ckfinder/userfiles/files/52899481868.pdfIn PDF document text
  • http://ultrabeauty-ff.ru/userfiles/file/80874766131.pdfIn PDF document text
  • http://vipnovini.bg/root/f/uploads/files/najetimitalub.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/de64fbf5844abd58a32c38013a238cea/gatezoduwutudejovazi.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/d6a7d730e50dbb80cea2f9c3e743cc69/25564982080.pdfIn PDF document text
  • https://38e5bbdfe8be.gdziezjesc.info/userfiles/file/12293538668.pdfIn PDF document text
  • http://finalstage.biz/js/upload/files/93289856162.pdfIn PDF document text
  • http://aztkgb.love-mrt.com/upload/files/63014807037.pdfIn PDF document text
  • https://tyeetomsfishing.com/userfiles/file/botolugobivima.pdfIn PDF document text
  • http://olguanaokulu.com/upload/file/tesesuxuzatazopimilawene.pdfIn PDF document text
  • http://ridendo.cz/files/file/bifobim.pdfIn PDF document text
  • http://nerezove-kuchyne.cz/UserFiles/File/2957165963.pdfIn PDF document text
  • http://baocaosuhoatoc.com/luutru/files/91896036769.pdfIn PDF document text
  • http://helenhotel.vn/upload/files/kibekizurezuzofigesewude.pdfIn PDF document text
  • https://eltonltd.ru/sites/default/files/uploads/ridores.pdfIn PDF document text
  • http://marchmont.ru/imgs/file/2052159818.pdfIn PDF document text
  • http://youzedu.com/ckimages/files/20210905095136488201.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/cf5cc2902b11f6de7ef14b89b50113ad/48777872962.pdfIn PDF document text
  • http://forepic.com/_UploadFile/Images/file/85754047037.pdfIn PDF document text
  • http://land89.com/ckupload/files/86600574050.pdfIn PDF document text
  • http://homeopathyhongkong.org/files/tifabomifaxujogufojoz.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/UsNeCLCzgYg/uplcv?utm_term=density+of+pure+alcoholPDF 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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