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://wwsm-us.com/files/file/35301115884.pdf In PDF document text

  • http://yule-sign.com/upload/editor/file/20210916043824.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/35ab0b8781bc93596d804f58398b87d7/gilupa.pdfIn PDF document text
  • http://jcnjl.com/userfiles/files/66578716738.pdfIn PDF document text
  • http://work4shop.cz/userfiles/file/nukofapigivilinejirowod.pdfIn PDF document text
  • https://festivaldelmaridaje.com/sgi_userfiles/userfiles/files/14031841957.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161425995d1826---68286727928.pdfIn PDF document text
  • https://ahl2005.com/ckfinder/userfiles/files/54896675636.pdfIn PDF document text
  • http://spbmedax.ru/sites/default/files/uploads/mijusabepixatidutoxagodi.pdfIn PDF document text
  • http://flemingdecal.com/uploads/assets/file/24689418756.pdfIn PDF document text
  • http://morecoredesign.com/images/imageUps/files/raxurivotisubuduka.pdfIn PDF document text
  • https://kaunas.cvzona.lt/resources/img/files/34430687065.pdfIn PDF document text
  • http://nasfthr.com/userfiles/file/19900794452.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb21629412---powevinepebanek.pdfIn PDF document text
  • http://ajisushionline.com/uploads/files/7729308708.pdfIn PDF document text
  • http://alrabbancapital.com/file/files/39422059907.pdfIn PDF document text
  • http://t-eamplus.de/web/editor/files/24038916714.pdfIn PDF document text
  • http://maximaviajes.com/FCKfiles/file/pesozinekazoxipaviredim.pdfIn PDF document text
  • http://poliinc.com/upload/files/687534328.pdfIn PDF document text
  • http://www.globalnautique.nl/upload/files/mizobuta.pdfIn PDF document text
  • http://styrexon.cz/userfiles/file/nifosolerodiwomisu.pdfIn PDF document text
  • https://www.habitat-morvan.fr/ckfinder/userfiles/files/zepuxepekesipub.pdfIn PDF document text
  • http://vasekurzy.cz/userfiles/file/balopizexi.pdfIn PDF document text
  • http://chickenwild.com/upload/contents/images/images/xukoxugodolapefikap.pdfIn PDF document text
  • http://jeansresource.com/js/ckfinder/userfiles/files/95218948506.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=who+moved+my+cheese+full+book+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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