Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://drafthe.ru/uplcv?utm_term=human+resource+strategy+adapting+to+the+age+of+globalization PDF link annotation

  • http://jiin-torng.com/uploadfiles/20210925003116.pdfIn PDF document text
  • https://csmgh.net/pevron/www/img/file/76502063743.pdfIn PDF document text
  • https://chambredhotes-savoie.com/ckfinder/userfiles/files/11771916142.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/190908310ea976d039c6c7787c480264/laseg.pdfIn PDF document text
  • http://tantex.org/tantex/tantexuserfiles/file/sominazebegut.pdfIn PDF document text
  • http://garage-fuji.jp/js/upload/files/gumajokufajasedezifozul.pdfIn PDF document text
  • http://emachn.com/data/attachment/file/41934650146.pdfIn PDF document text
  • http://sooam.com/files/fckeditor/file/1838933748613e6eef7047c.pdfIn PDF document text
  • http://aylincinarli.com/fckfiles/file/31381756832.pdfIn PDF document text
  • http://szentistvanpatika.hu/upload/file/dijapoginapuvavola.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/1o9o72m5pp1erjvkocu4ofaqu0/lujimov.pdfIn PDF document text
  • https://fundacjaartfreeart.pl/userfiles/file/duluposubidametowasifu.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e599517878---kosipamaleturefebola.pdfIn PDF document text
  • http://vinaktv.com/storage/ckfinder/files/wisav.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/d83id1hctmtkca6clojff5nek1/jebovamadejuleponimaxe.pdfIn PDF document text
  • https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/72274629778.pdfIn PDF document text
  • http://romengo.com/ckfinder/userfiles/files/58002506144.pdfIn PDF document text
  • http://pointerboards.com/uploads/admin/files/60675014499.pdfIn PDF document text
  • http://apple888.vn/luutru/files/jetireka.pdfIn PDF document text
  • https://lingchuanfloor.com/app/webroot/userfiles/files/nugeze.pdfIn PDF document text
  • http://imobiliariaimperio.com/files/files/72233466043.pdfIn PDF document text
  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/07809b102dfa26252737aabdabcea52c/31016761872.pdfIn PDF document text
  • http://eros-arena-reutlingen.de/eros/userfiles/file/wimagawupapisimazafogisax.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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