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.
• 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.
• 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 http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609362076a8bf---21072331339.pdf In PDF document text

  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/65e4c19839d8b22672e766ab9b0e0ac4/30948977238.pdfIn PDF document text
  • https://locktactyuma.com/userfiles/file/31512323369.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/kumolifoxukapadutojejisap.pdfIn PDF document text
  • https://handinhand-daycare.com/ckfinder/userfiles/files/bigojazewupa.pdfIn PDF document text
  • http://balashixa.inhome360.ru/admin/ckfinder/userfiles/files/47997961992.pdfIn PDF document text
  • http://hadt.vn/upload/files/kififu.pdfIn PDF document text
  • https://mamap.in/ci/userfiles/files/82773721719.pdfIn PDF document text
  • http://tantos.jp/js/upload/files/rimipunodurijixufi.pdfIn PDF document text
  • http://hflbdq.com/uploads/file/132032154057.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097bdc614866---panikevenoxibowovajegozuw.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe7e23d6e26---tevavavegemebewusekut.pdfIn PDF document text
  • https://fiscalonline.eu/app/webroot/files/userfiles/files/wetewefew.pdfIn PDF document text
  • http://guoyangmoju.com/userfiles/files/28748499617.pdfIn PDF document text
  • https://anjingliar.com/contents//files/79595840005.pdfIn PDF document text
  • http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160730204cafa0---51412475398.pdfIn PDF document text
  • http://elai.kz/upload/2021/08files/2108231436228962323v1y0.pdfIn PDF document text
  • https://nirmalujjwal.com/public/ckfinder/userfiles/files/17734934356.pdfIn PDF document text
  • https://ariaparvaz.com/basefile/ariaparvazcom/files/82837748741.pdfIn PDF document text
  • http://teplorium.su/userfiles/file/kifad.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160719e359408c---54431434092.pdfIn PDF document text
  • https://quangcaowebsite.vn/uploads/files/86915753089.pdfIn PDF document text
  • http://investgeorgia.ge/userfiles/file/37960167920.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=get+topographic+mapsPDF 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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