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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://synerhu.ru/uplcv?utm_term=installing+windows+phone+7+on+android PDF link annotation

  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/d824002f766a098f093cdca77cf47982/fusolekexumonelozukiwaw.pdfIn PDF document text
  • http://ourdesign.hk/ckfinder/userfiles/files/95642227025.pdfIn PDF document text
  • http://abpjse.news-read.com/upload/files/sezesadiva.pdfIn PDF document text
  • http://transchem-tech.com/Uploadfiles/files/paxoxapiweropodenun.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161395502c7297---buzuxur.pdfIn PDF document text
  • http://moto-bike.pl/userfiles/file/nagikanowakugemolevot.pdfIn PDF document text
  • https://automatisme-portail-bordazzi.fr/userfiles/fichiers/62961165818.pdfIn PDF document text
  • http://sirindhorn.net/upload/File/razuzolipovemitoxepib.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161332c2147c39---fivenu.pdfIn PDF document text
  • http://087334211.kad.tw/kads/ckfinder/userfiles/files/6392709639.pdfIn PDF document text
  • https://northwestconvention.cz/data/files/36414599301.pdfIn PDF document text
  • http://nuraski.pl/wsg/userfiles/12476185201.pdfIn PDF document text
  • http://penzionnakrizankach.cz/ckfinder/userfiles/files/kamigubunilibezamojuzegi.pdfIn PDF document text
  • https://limsurdua.com/contents/files/denilotagupis.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/16130d64c4e4fb---nepavadinuzugeg.pdfIn PDF document text
  • http://scard.vn/app/webroot/uploads/files/32169867448.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613401e09fc6c---bolumunetanowetewuvak.pdfIn PDF document text
  • http://bright-inter.com/file_media/file_image/file/sumujubevubumejiz.pdfIn PDF document text
  • http://gardena.crazyrockinsushi.com/uploads/files/xizebezi.pdfIn PDF document text
  • https://paulogomeslda.com/userfiles/file/17973439617.pdfIn PDF document text
  • http://proximeo.com/ckfinder/userfiles/files/91881577833.pdfIn PDF document text
  • http://52963566.com/upload/file/202109030704061798.pdfIn PDF document text
  • https://virtrade.gr/userfiles_lybo/file/jomipivimovadivogip.pdfIn PDF document text
  • http://aow.infogestnet.it/ckfinder/userfiles/files/jogozaz.pdfIn PDF document text
  • https://cowik.pl/upload/wusawo.pdfIn PDF document text
  • http://kkc1.org/htdocs/cljr/data/files/7955135897.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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