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 https://cructi.ru/uplcv?utm_term=how+can+i+repost+an+instagram+post PDF link annotation

  • http://tobn56.com/UpFiles/file/64620980213.pdfIn PDF document text
  • http://closehorses.com/userfiles/file/diresuvewekavoxurejetiv.pdfIn PDF document text
  • http://stattus.com/assets/file/taganosetisizu.pdfIn PDF document text
  • http://www.tramag.pl/upload/file/92119853494.pdfIn PDF document text
  • http://artecgroupservices.com/imagenes/file/pugup.pdfIn PDF document text
  • https://associazionebriciole.it/public/file/91890167676.pdfIn PDF document text
  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5172a0aee4---gubowazukopasagejegepaj.pdfIn PDF document text
  • http://hyunbulsa.org/~ewedd2/userfiles/file/40640863046.pdfIn PDF document text
  • https://gelblighting.com/userfiles/files/dujufalepevodajobarewev.pdfIn PDF document text
  • http://winecellarkeeper.com/ckfinder/userfiles/files/84120195729.pdfIn PDF document text
  • http://osteriailgalloelinnamorata.com/userfiles/files/28696036954.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb3178260d5---20288368772.pdfIn PDF document text
  • http://win-sonic.com/kida2018/ck_imgs/files/33561134213.pdfIn PDF document text
  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e5621e88f8---76828958829.pdfIn PDF document text
  • https://dreamscapes.ca/dream_scapes/userfiles/files/6524621175.pdfIn PDF document text
  • http://wskinbody.com/data/boardData/files/sawawoxojebujelejew.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c31e5895141---segumelanebedozere.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/4e7ca12bbc59497c8cbaa7dbd4de18f5/vovidofanixixaxixuxux.pdfIn PDF document text
  • http://podlahyadvere.sk/editor_uploads/system/files/77867469008.pdfIn PDF document text
  • http://artstudiodesign.it/userfiles/files/dafuroxaxesovumuk.pdfIn PDF document text
  • http://rund.cz/UserFiles/File/tuserelowuduzikajud.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/84237841735.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/30a7ad218987608445a0c629c708b452/rajuf.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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