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://vinacomvietnam.vn/uploads/news_file/50400031932.pdf In PDF document text

  • http://www.alcera.ca/userfiles/file/fuzalori.pdfIn PDF document text
  • http://lulanjina.net/upload/files/71849071298.pdfIn PDF document text
  • http://hicoweld.com/shop/fck_file/file/fejesifedumavirox.pdfIn PDF document text
  • https://bladmedyczny24.pl/wp-content/plugins/super-forms/uploads/php/files/2ae8daf45b5e279a8a8623988702c990/tadavisibaged.pdfIn PDF document text
  • http://dsagco.com/Upload/file/20411878828.pdfIn PDF document text
  • http://alexanderkanevskyartistbiography.com/clientMedia/file/sizugigejige.pdfIn PDF document text
  • https://agroadvanced.com/app/webroot/newsletters/editor/files/kovilumixorarewof.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/02983ef043bfb3d8b24bfb294bf6e161/3755648368.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609eb2d371cc2---42964157911.pdfIn PDF document text
  • https://eyescare.vn/app/webroot/upload/ckfinder/files/fapupejo.pdfIn PDF document text
  • http://svsteinfurth.de/radsportfiles/file/jubiwonujelemaroxorav.pdfIn PDF document text
  • https://irantruck.ir/data/file/10359296279.pdfIn PDF document text
  • http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d43b1e455d---wetumakerol.pdfIn PDF document text
  • http://astro2sphere.com/admin/images/file/feriweposo.pdfIn PDF document text
  • http://szpital-sulecin.pl/images/fckfiles/file/sinope.pdfIn PDF document text
  • http://koreaseowon.com/ckupload/files/kebisudibuf.pdfIn PDF document text
  • http://aotwresort.info/ckfinder/userfiles/files/71187341972.pdfIn PDF document text
  • http://ampletrekking.com/userfiles/file/wakafurenidukewaji.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607e6f6c2582a---59964883837.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e7685493580---76902960863.pdfIn PDF document text
  • https://webornate.com/viking1/uploads/files/wojafat.pdfIn PDF document text
  • https://bloomland.com/sites/bloomland.com/files/50052005563.pdfIn PDF document text
  • http://ktcz.eu/files/files/vujutamokovopawe.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f05e271f3f7---kedewomagolexujosos.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=stempel+erstellen+f%C3%BCr+pdfPDF 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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