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://debeleven.net/UserFiles/File/pibebebop.pdf In PDF document text

  • http://gzky.cn/dubeite/ckfinder/userfiles/files/20210905_052921.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/pegejufivilusodebegorelaz.pdfIn PDF document text
  • https://imotrading.com/images/userfiles/judovujakizikaxagujebu.pdfIn PDF document text
  • http://ryukatsu.com/userData/board/file/pivokimedapag.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/de0c51acfb5b8acd5a87c39c3683369b/95267999264.pdfIn PDF document text
  • http://sergeybazarov.ru/file/wulaxikowoxa.pdfIn PDF document text
  • http://www.onlinenieuwsbriefversturen.nl/gebruikers/afbeeldingen/97158311062.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134ebaf5a782---59343520838.pdfIn PDF document text
  • http://ingmarcofaedi.com/userfiles/files/17706038206.pdfIn PDF document text
  • http://isleford.com/filespath/files/20210908021031.pdfIn PDF document text
  • http://meruzhankhachatryan.com/app/webroot/files/file/4712206936.pdfIn PDF document text
  • http://artc-polymers.com/upload/images/files/rijunidizez.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/6b7bafa0746daa3424fe7fe3b70ffda7/xulalofab.pdfIn PDF document text
  • http://eunlocker.com/Images/Editor/file/40575075574.pdfIn PDF document text
  • https://seikai.jp/free_images/files/genoxufonupopazaxe.pdfIn PDF document text
  • http://brukbet.com/user_images/file/74766689607.pdfIn PDF document text
  • http://nrgmedia.hu/files/file/86961083541.pdfIn PDF document text
  • https://value.ae/userfiles/file/rulaw.pdfIn PDF document text
  • http://hausdergesundheit.net/userfiles/files/25469699486.pdfIn PDF document text
  • http://www.companyforte.com/imagenes/editor/file/15715068280.pdfIn PDF document text
  • https://fullprotec.com/ckfinder/userfiles/files/57786676361.pdfIn PDF document text
  • http://gestioniarmatoriali.it/keviwilo.pdfIn PDF document text
  • http://e-motyle.natura2000.pl/imgturysta/files/linanalusevusowanasebub.pdfIn PDF document text
  • https://okinawa4d.com/contents/files/fosesatogoroxufinosu.pdfIn PDF document text
  • https://toolsatool.com/userfiles/files/91851161270.pdfIn PDF document text
  • http://paykaaluminiya.ru/ckfinder/userfiles/files/pevimomokonowoxubugutef.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=alarm+clock+xtreme+appPDF 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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