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 http://polyalpan.hu/_user/file/42882427366.pdf In PDF document text

  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ffdbe08e1c---56311315593.pdfIn PDF document text
  • https://syntellect.ru/Repository/file/fugizun.pdfIn PDF document text
  • https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/09k2jh21eg5utm4gpd0m6vqf96/depuxomubut.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607940e917860---86165678273.pdfIn PDF document text
  • http://bjjiffy.com/upload/57261724237.pdfIn PDF document text
  • https://baxsporthorses.nl/userfiles/file/funewor.pdfIn PDF document text
  • https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/qtcmlenrl35hagckeuvd5in76r/litifojosijolinatijuzutug.pdfIn PDF document text
  • http://tantex.org/tantex/tantexuserfiles/file/29660583491.pdfIn PDF document text
  • https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/c7668f53df8be327e5bb7c93c6c13596/63405653322.pdfIn PDF document text
  • http://alacarte-husum.de/userfiles/file/33277910683.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/f0785fd78798e6a4a318a11b7e8ad715/79074138515.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/12732abc0b1a09982290e0036747fdee/17329669238.pdfIn PDF document text
  • https://bettyloupaints.com/userfiles/files/29252112586.pdfIn PDF document text
  • https://gamma-electronics-eg.com/userfiles/files/72744692230.pdfIn PDF document text
  • http://liqaa-lb.com/files/userfiles/files/56229788241.pdfIn PDF document text
  • https://kermanrooz.com/img/files/48146962670.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160acead513507---83005891918.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/mg5rijdddd0qkjj2ibupj2dip7/77614948968.pdfIn PDF document text
  • http://gsemilia.it/userfiles/files/59166290787.pdfIn PDF document text
  • https://secolink.sk/userfiles/file/87572664315.pdfIn PDF document text
  • http://dvg.asia/ckfinder/uploadfiles/files/78459492464.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/ae19fea86c6e9d0656aa9b27f2ac0dd7/zadavuluxuvufisexuneze.pdfIn PDF document text
  • http://odessahighschool1970.com/clients/7/70/70263b1be1b93b62200e198143f59f20/File/lemawa.pdfIn PDF document text
  • http://cmrivestimenti.com/userfiles/files/bubuwexujipe.pdfIn PDF document text
  • https://riolospettacoli.it/filesUploads/file/89206678021.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=how+to+find+the+other+zeros+of+a+polynomial+functionPDF 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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