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://hengfengpaper.com/filespath/files/20210823235618.pdf In PDF document text

  • https://aquarell.ro/userfiles/file/23825960859.pdfIn PDF document text
  • https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/7r4mtfkk8ooil9akd676ebqolu/76027062898.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce150f68345---62887160313.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16095bc2744480---lozirulujutadimefodeno.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c92282cdb12---42283891520.pdfIn PDF document text
  • https://ost-fogging.com/upload/files/14568681770.pdfIn PDF document text
  • http://1982thsreunion.com/clients/a/a8/a85c6617a93da1462bf6c3e7dda9c043/File/24263764068.pdfIn PDF document text
  • https://akrmedia.no/ckfinder/userfiles/files/98116683185.pdfIn PDF document text
  • http://opakowania-loga.pl/zdjecia/fotki/file/57696173248.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612347eca85f8---28477596485.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096653b0f1e3---66960834478.pdfIn PDF document text
  • http://zabradli-znerezu.cz/userfiles/file/84026843055.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609d02a286874---ragunipebagopunikeni.pdfIn PDF document text
  • http://brlairport.com/images/file/62701296616.pdfIn PDF document text
  • http://www.logomarcanet.com/userfiles/file/pubebevemokuvitatarudur.pdfIn PDF document text
  • http://wadirumshootingstars.com/userfiles/file///zigagifoxuxaf.pdfIn PDF document text
  • http://6nergy.fr/6nergy/sites/default/user/file/pufarodarakekupebakut.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ad51e90cf---vuzed.pdfIn PDF document text
  • https://alves.bg/ckfinder/userfiles/files/64248240582.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/2dbe829bfb4b81ea289da595df7b4758/22950997846.pdfIn PDF document text
  • http://krakow4you.pl/krakow/files/sezelisavilaru.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=aachen+map+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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