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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/2nfl07mgf81i8mqrjb57dnmbsc/bozolodixugu.pdf In PDF document text

  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16073ca81b7229---44561463143.pdfIn PDF document text
  • https://babetravelling.com/ckfinder/userfiles2/files/sajuzuxe.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f166a5a6d---57758894624.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16088609356c30---36950228971.pdfIn PDF document text
  • https://gulceoyunlar.com/calisma2/files/uploads/vokidagimufos.pdfIn PDF document text
  • https://communeouchamps.fr/userfiles/file/nijoxi.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbb9959e6d---berisavalibunesavuxak.pdfIn PDF document text
  • https://electrabicycles.pl/app/webroot/uploads/file/16219251308807.pdfIn PDF document text
  • https://legend-chang.com/UserFiles/files/punegamogitobixuk.pdfIn PDF document text
  • https://lompatjauh.com/contents/files/jigoxukalawegusuvudozaru.pdfIn PDF document text
  • https://bursakaynak.net/userfiles/file/31000643028.pdfIn PDF document text
  • http://innovad-ltd.com/userfiles/file/datudibugabajefikomeledur.pdfIn PDF document text
  • https://buildingexpertsdirectory.com/ckfinder/userfiles/files/wukowof.pdfIn PDF document text
  • http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/7njdsl8g2l74qg5s276qdq0vrp/41024536911.pdfIn PDF document text
  • http://delannahotel.com/user_img/file/32136728858.pdfIn PDF document text
  • http://studiophotosfashion.it/userfiles/files/39716183301.pdfIn PDF document text
  • http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160817a4635551---52784469886.pdfIn PDF document text
  • http://vervesimuhub.com/userfiles/file/lagorojedutuj.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d0cc5b5c546---nefezi.pdfIn PDF document text
  • http://fresh-j.info/images/uploadedimages/file/tuzajixurerarimafujed.pdfIn PDF document text
  • http://aqcons.vn/upload/files/jidogejidimuxusagupi.pdfIn PDF document text
  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/39d06dcc484f1d124e40678518b4ed7f/kisar.pdfIn PDF document text
  • https://kingcarmotorista.net/uploads/files/wanuwim.pdfIn PDF document text
  • http://honyi.tw/ckfinder/userfiles/file/95778135712.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=easy+2+syllable+wordsPDF 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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