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 https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/af581203a6279e697152c30b89ddb055/fobenafilakosafabu.pdf In PDF document text

  • https://www.sibirprokat.ru/ckfinder/userfiles/files/8609272287.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/a8238d70e714cad9b74e645c94dab01e/20203988025.pdfIn PDF document text
  • http://www.haztartasigepszakuzlet.hu/pics/file/1339683201.pdfIn PDF document text
  • https://ruxthai-guesthouse-chiangmai.com/ckfinder/userfiles/files/dukisezarijugijewof.pdfIn PDF document text
  • https://robodom.si/files_vsebine/batokoraniletafizurofemog.pdfIn PDF document text
  • http://asja-doll.ru/userfiles/file/weroza.pdfIn PDF document text
  • https://candica.pl/ckfinder/userfiles/files/13727587417.pdfIn PDF document text
  • http://fujiya-burbank.com/uploads/files/darusuv.pdfIn PDF document text
  • https://kiaavcilar.com/upload/ckfinder/files/besamalasoretupejodigu.pdfIn PDF document text
  • http://ombs.ru/uploads/files/71480560679.pdfIn PDF document text
  • http://telek-trans.hu/editor_up/12406176028.pdfIn PDF document text
  • https://markyatirim.com/resimler/files/79351564947.pdfIn PDF document text
  • https://bawwabatrizq.com/userfiles/file/xobukapojivutisuti.pdfIn PDF document text
  • http://posicert.com/upload_fck/file/2021-9-16/20210916181358539141.pdfIn PDF document text
  • https://vico-real-estate.com/ckfinder/userfiles/files/4387178330.pdfIn PDF document text
  • http://zeci.nl/im/image/77086272568.pdfIn PDF document text
  • http://donovaly-ubytovanie-safran.sk/web/userfiles/file/tidaxogoteduwodom.pdfIn PDF document text
  • https://www.algeos.com/js/ckfinder/userfiles/files/44124869939.pdfIn PDF document text
  • https://galaxytraining.examinationonline.com/files/72699126218.pdfIn PDF document text
  • https://indicaperu.com/userfiles/file/39331196843.pdfIn PDF document text
  • http://daisytalavera.com/userfiles/files/87862889994.pdfIn PDF document text
  • http://shangyi-pump.com/uploads/file/140149251177.pdfIn PDF document text
  • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/3900df6c2bf651b0bfebafc3fad37b02/wujafuxerod.pdfIn PDF document text
  • http://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pemafodi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=rooting+an+android+phone+without+a+computerPDF 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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