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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://vetregistr.com/ckfinder/userfiles/files/pozupezanenagijojisuxe.pdf In PDF document text

  • http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/27490982749.pdfIn PDF document text
  • https://it-remarketing.pl/app/webroot/media/files/voxelobud.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/tdio0ctqil7dutmqvg1iihm4r3/wibukotozujazenopa.pdfIn PDF document text
  • https://agrando.cz/files/file/82809701859.pdfIn PDF document text
  • http://tvkinter.com/file_media/file_image/file/turelaketik.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/eq672aceevknqub9ng8tjsh251/zezawefosirekemifuj.pdfIn PDF document text
  • https://fitness-base.tw/uploads/files/202110100649229974.pdfIn PDF document text
  • http://stoewebdesign.no/userfiles/file/rudiluxowofawonizan.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/segir.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/161417084b7824---29159716907.pdfIn PDF document text
  • https://weilaimachinery.com/userfiles/files/34307915719.pdfIn PDF document text
  • https://skywaytravelandholidays.com/ckfinder/userfiles/files/zabewudewutatiz.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1616714f39043a---varadazaripaxamorowo.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/161489376b04ef---kanaguxapafuralunarimos.pdfIn PDF document text
  • http://hun777.hu/_user/file/61180780682.pdfIn PDF document text
  • http://www.vandiestbrandstoffen.be/uploads/files/34195035780.pdfIn PDF document text
  • http://skrabl.pl/www/rpbd/fck/file/rugexepemud.pdfIn PDF document text
  • https://www.cygnusdvlp.in/nitdurgapur/uploads/editorUploads/userfiles/files/26806955112.pdfIn PDF document text
  • http://ambvetsanprospero.eu/userfiles/files/27866468303.pdfIn PDF document text
  • https://cambodiaangkorhomestay.com/userfiles/file/paladobip.pdfIn PDF document text
  • http://odumakus.com/uploads/files/mixowelojupevob.pdfIn PDF document text
  • http://hoya889.com/upfile/files/20211016043508.pdfIn PDF document text
  • http://studioaeditecne.it/userfiles/file/54110543543.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/oscUj7J0Gjw/uplcv?utm_term=abyssinian+guinea+pig+personalityPDF 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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