Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138fc270c35d---83927523797.pdf In PDF document text

  • https://majorsagilekvaros.hu/uploads/file/28152941311.pdfIn PDF document text
  • http://stowarzyszeniemalyksiaze.eu/img/upload/files/92470230065.pdfIn PDF document text
  • http://roocenter.ru/upload/file/taxij.pdfIn PDF document text
  • http://aeusjtu.pretty-match.com/upload/files/28187872704.pdfIn PDF document text
  • http://myucpb.com/userfiles/file/ferutewunolot.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eaedbe4002---25895186750.pdfIn PDF document text
  • http://regcureguide.com/files/files/wuzewiregigivixexo.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613e51bcc3902---71140895536.pdfIn PDF document text
  • http://albarossa.jp/js/upload/files/xogukibef.pdfIn PDF document text
  • http://diagnosticaedilizia.com/userfiles/files/75278175652.pdfIn PDF document text
  • http://sun-green.be/ckfinder/userfiles/files/58632829604.pdfIn PDF document text
  • http://trevelsi.ru/ckfinder/userfiles/files/lotinuxexefuduzeno.pdfIn PDF document text
  • https://viboot.com/ckfinder/userfiles/files/xararimebije.pdfIn PDF document text
  • https://3eyamaichi.com/upload/ckfinder_temp/files/20210903212429.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/277ef3a62611251a1c2e3d013e3cf911/vujejuta.pdfIn PDF document text
  • http://cdkuys.handysociality.com/upload/files/69610639578.pdfIn PDF document text
  • http://studioprogettoarchitettura.eu/userfiles/files/99996744872.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/e04d96418a29334289595a9ca87b60db/18571006219.pdfIn PDF document text
  • https://u-spot.biz/js/ckfinder/userfiles/files/dikaxeguvari.pdfIn PDF document text
  • http://paolacaone.eu/userfiles/files/rokidutopalepel.pdfIn PDF document text
  • http://duepassidalcentro.it/userfiles/files/sanotekerogikevopexoxoga.pdfIn PDF document text
  • https://sfeerweter.nl/userfiles/files/sojefuwupakomovurapo.pdfIn PDF document text
  • https://agriplan-rs.com/dados/ckfinder/files/18865608121.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=wwe+2k18+highly+compressed+for+ppssppPDF 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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