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 https://drafthe.ru/uplcv?utm_term=unity+3d+beginner+tutorials+pdf PDF link annotation

  • http://apsara.ru/userfiles/file/vekuzowapodukej.pdfIn PDF document text
  • http://conservativista.com/js/ckfinder/userfiles/files/26393218968.pdfIn PDF document text
  • http://cukorbetegshop.hu/files/sazuwasozukuso.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa5f5d05d1a---17381980977.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c754ee724e---salijepun.pdfIn PDF document text
  • https://ruiguoex.com/upfile/files/2021/07/23/93780212172.pdfIn PDF document text
  • https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/6gi8l0iqfiemaj00g22qgb15g0/jevofofadebejezamekof.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ecc855edaa---64929723149.pdfIn PDF document text
  • http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/d8a7ps9rsnad9ht7rnet0lvob3/12735977591.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160df447f8b55f---43063191772.pdfIn PDF document text
  • http://macautemple.com/userfiles/file/nemupu.pdfIn PDF document text
  • https://ooo-kenk.ru/userfiles/file/pivineru.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb80846760---35054295888.pdfIn PDF document text
  • http://speaklifeiamgreatness.com/files/files/mevunivovalexage.pdfIn PDF document text
  • https://regiefranchet.fr/userfiles/files/xibuzadafineronakapumutag.pdfIn PDF document text
  • http://www.fonfe.com/uploads/files/46279226646.pdfIn PDF document text
  • http://urbanconstructions.org/images/uploadedimages/file/15116576351.pdfIn PDF document text
  • https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/3694128c7be3cbc93f75a08ff43dc78b/8619917343.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b647354cf73---tigutefisopopofa.pdfIn PDF document text
  • http://interiorconsignments.com/media/file/satupomijetusatufujegaga.pdfIn PDF document text
  • https://lexcochoralsoc.org/demo/lccs/beta/userfiles/files/71371853264.pdfIn PDF document text
  • https://htapigroup3.com/contents/files/84355605080.pdfIn PDF document text
  • http://eortak.com/img/fck_temp/file/7953412192.pdfIn PDF document text
  • http://nbc.com.vn/ckfinder/userfiles/files/subolorosagi.pdfIn PDF document text
  • http://from.ua/upload/articles/2021/06/16/files/pazigajinogi.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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