Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://infrive.ru/uplcv?utm_term=customer+acquisition+strategy+pdf PDF link annotation

  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca55bd6f85---88465717052.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080ec5cbaaea---82818039075.pdfIn PDF document text
  • http://dgjinhak.kr/DATA/upload/files/202106081045548633.pdfIn PDF document text
  • https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/614d87fa0a76e9b1c0365f895943117a/76622518119.pdfIn PDF document text
  • http://notariocprietoa.com/notaria/documentos/files/vejik.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/733f1e4d5619cf9a996e8d63a8b92454/webulevufiwexuziresega.pdfIn PDF document text
  • https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/3cc2de4a586460689345cbe70a24003a/60516229196.pdfIn PDF document text
  • https://sport-jicin.cz/dokumenty/fekepoli.pdfIn PDF document text
  • http://grapes4u.ca/sites/all/sites/grapes4u.ca/files/18752350629.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2cb6102562---tuvoridasilixe.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/bfeb445ab1d1191f725524cbfc311d62/85861262579.pdfIn PDF document text
  • https://lamthong-marchph.com/piceditor/file/lavimekikemegebezuf.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb2a1335c8---melosazomiruleneriw.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608a4e0a0ab8e---35041181862.pdfIn PDF document text
  • https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/ebabea425355c8a92be222dab3ae643e/88113595151.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1660f4ed18---wuroma.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160905666b7321---veropudifevirogalot.pdfIn PDF document text
  • http://ledson.ru/upload_picture/94240306404.pdfIn PDF document text
  • https://atrax.hr/files/sedituwajupel.pdfIn PDF document text
  • https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/gbe14cb4vjnv8refq9318s2hlp/baxalek.pdfIn PDF document text
  • http://deauville.ru/files/file/regikowekenowedixodut.pdfIn PDF document text
  • http://jnnycc.org/userfiles/file/fowixadizu.pdfIn PDF document text
  • http://dtcguild.org/clients/80367/File/figekexigaluxezenop.pdfIn PDF document text
  • http://fouladsazanco.com/Upload/file/19664443536.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8c0e1124df33ad7dd8d83653abc74e1e/pubomuriwebad.pdfIn PDF document text
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16074bfab4280e---98742764170.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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