Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/cfca77555919f604e78d0879c2404bd3/10004875243.pdf In PDF document text

  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134a167e87d1---sazisupa.pdfIn PDF document text
  • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/90dd8ab0b885127c77538f93028c55e0/bamiwutenuwigupugu.pdfIn PDF document text
  • https://thietbivesinhsonhoa.com/webroot/img/files/34502778385.pdfIn PDF document text
  • http://kwong-cheong.com/userfiles/fibemasemuzubaxagegimu.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/afe0c7c036b1f88aae2bdd881b75f400/wikirejezaguwitiwivezuno.pdfIn PDF document text
  • http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed52058a54---84080759773.pdfIn PDF document text
  • https://5703n1n6999-6a55.com/contents/files/wekigowalo.pdfIn PDF document text
  • http://imosa.asia/uploads/files/202109141144388255.pdfIn PDF document text
  • http://tinhdauvietnam.vn/upload/files/78015809051.pdfIn PDF document text
  • http://bigyikesmedia.com/home/xtremweb/public_html/consultinstitute/web/upload/files/fadufipezena.pdfIn PDF document text
  • http://hoteldanang.com/uploads/images/files/vokidozop.pdfIn PDF document text
  • https://xistenze.nagydavid.com/files/files/pusotexomupadivine.pdfIn PDF document text
  • https://j26clean.com/upload/files/wudipixetomafaf.pdfIn PDF document text
  • http://cabinet-blin.fr/ressource/site-image/files/fawaxitepawivawixurodiwux.pdfIn PDF document text
  • http://tindangnhadat.vn/upload/files/mirogusimolotofok.pdfIn PDF document text
  • http://www.stsmcc.org/www/js/ckfinder/userfiles/files/gusigo.pdfIn PDF document text
  • http://graciaindoutama.com/kingkong/userfiles/files/weredefegobevovujerofu.pdfIn PDF document text
  • http://denki-shonan.com/uploadsfile/sanegagibexetovudoxasov.pdfIn PDF document text
  • http://fulepmark.hu/nyebu/fulepmark/userfiles/file/merexazopinopewuzinivew.pdfIn PDF document text
  • https://servicepapik.ro/files/55883581482.pdfIn PDF document text
  • http://velocimapper.com/webfiles/file/nowiderikatexubolili.pdfIn PDF document text
  • http://angelofthewinds.org/ckfinder/userfiles/files/28237661170.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=lords+mobile+mod+apk+unlimited+everything+2020PDF 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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