Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://wastran.ru/uplcv?utm_term=can+you+download+chrome+on+ipad PDF link annotation

  • https://netwindowvn.com/uploads/userfiles/file/risenajevufeboxaxitatonul.pdfIn PDF document text
  • http://pate4me.com/userfiles/file/57003107915.pdfIn PDF document text
  • http://www.offshoreyachts.net/web_upload/editor/files/89488591071.pdfIn PDF document text
  • http://satyavnetworks.com/fck_upload_images/file/43924246485.pdfIn PDF document text
  • http://zhihepvb.com/upload/ckimg/files/202109102335078563.pdfIn PDF document text
  • http://aolisenjiancai.com/data/files/58830956434.pdfIn PDF document text
  • http://net-marketing.hu/images/files/53774268933.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16137fb008cdf0---17654189809.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/161334be42bb60---kozitakawubuvopanajif.pdfIn PDF document text
  • http://trevorhannant.com/defosukesa.pdfIn PDF document text
  • http://rszm88.com/upfolder/e/files/20210912204651.pdfIn PDF document text
  • https://xn--80aaa1arbfjoe3bzh.xn--p1ai/data/files/88773430500.pdfIn PDF document text
  • http://vladekoservis.ru/files/94322762862.pdfIn PDF document text
  • https://apaman.ti-am.jp/js/ckfinder/userfiles/files/10404148017.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d0133c2c98---57296655001.pdfIn PDF document text
  • http://aunay-sous-auneau.fr/ckfinder/userfiles/files/zisujo.pdfIn PDF document text
  • https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/vepedososalaxebuwogagogos.pdfIn PDF document text
  • https://vargyasnekonyveles.hu/kepek/other/file/80734621994.pdfIn PDF document text
  • http://arcenevents.nl/site/upload/files/84672626356.pdfIn PDF document text
  • http://awfiowv.love-mrt.com/upload/files/93395043974.pdfIn PDF document text
  • https://kurishupally.org/userfiles/file/6994621677.pdfIn PDF document text
  • https://rocksoliddesigns.biz/userfiles/file/narusine.pdfIn PDF document text
  • http://saveondealz.com/ckeditor/ckfinder/core/connector/php/uploads/files/linuzofamidifuzoxuti.pdfIn PDF document text
  • http://webinaris.biz/ckfinder/userfiles/publics/files/kiwagojerodibifefogegul.pdfIn PDF document text
  • https://nonbodepsg.com/uploads/files/zutebel.pdfIn PDF document text
  • https://karatenarrewarren.com.au/ckfinder/userfiles/files/63472148310.pdfIn PDF document text
  • http://nhahanghienminh68.com/upload/files/60576179078.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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