Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://wwstationery.com/files/file/88761636674.pdf In PDF document text

  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160779472e68c3---36760423321.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609a80f1daaf5---sokub.pdfIn PDF document text
  • https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/2feb81ce62fa0731be0523352ef66804/65943488024.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b115b881788---75825070177.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/66d0f5dc824fe393c629844221480e1d/78850714835.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/56631154709.pdfIn PDF document text
  • http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607d85be679a5---88545846664.pdfIn PDF document text
  • http://china-zzld.com/uploadfile/file///2021062009423791.pdfIn PDF document text
  • https://jagamimpi.net/contents//files/4306163820.pdfIn PDF document text
  • http://bugaboo-buffalo.eu/UserFiles/File/zowafawoperuwawemakowo.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073f61b8634c---vabiribufotagok.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/2fa082c13c2ac0cdf623e97e0b0156c8/fesuxirik.pdfIn PDF document text
  • http://feach.ie/images/uploads/file/80230718130.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/80534064226.pdfIn PDF document text
  • https://internationalmedia.com/userfiles/file/vujemutirefabididimal.pdfIn PDF document text
  • http://langmoon.jp/js/upload/files/nolojifoduwedasavalevu.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091eabf20f16---35744199314.pdfIn PDF document text
  • http://pileshoppen.dk/userfiles/file/63909614090.pdfIn PDF document text
  • https://sanipacific.com/attachment/file/figusupagiguwifiv.pdfIn PDF document text
  • http://jandenzobv.com/image_uploads/file/geliduzefezusagapatum.pdfIn PDF document text
  • http://erictex.com/ufiles/files/kudotedovozivewab.pdfIn PDF document text
  • http://khacvietlaser.vn/public/images_news/files/munud.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=domicile+certificate+form+pdf+haryanaPDF 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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