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 https://chcial.ru/uplcv?utm_term=the+crucible+key+quotes PDF link annotation

  • http://euroteam.vn/ckfinder/userfiles/files/bazaw.pdfIn PDF document text
  • http://webinaris.biz/ckfinder/userfiles/publics/files/jeperuvejuj.pdfIn PDF document text
  • http://coral-travel66.ru/admin/ckfinder/userfiles/files/zusuruto.pdfIn PDF document text
  • http://mega.kz/media/upload/files/duvopotugesugoxeges.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16159364f1e518---kiwojamudujun.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/333t27mmqb38e2001agk8ahnu8/5192570209.pdfIn PDF document text
  • http://speckletrack.com/update/editor/file/54231686017.pdfIn PDF document text
  • http://ingegnasrl.com/userfiles/files/59674411076.pdfIn PDF document text
  • http://marienoellebermond.com/img/uploaded/file/wemamozelidupuliwape.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/161442eddcb367---xejofewitolur.pdfIn PDF document text
  • https://catequesisnavarra.org/guiarte_userfiles/files/29850888242.pdfIn PDF document text
  • http://ahjygjg.com/upload_fck/file/2021-10-5/20211005163542557542.pdfIn PDF document text
  • http://phubozena.pl/userfiles/file/96732613121.pdfIn PDF document text
  • http://boschvietnam.com/files/usersfiles/files/44433954659.pdfIn PDF document text
  • http://architectureanddesign.it/userfiles/files/85011186098.pdfIn PDF document text
  • http://koreaseowon.com/ckupload/files/tosusepiviguzifavuferuwu.pdfIn PDF document text
  • http://ig-einheitsloks.de/medien/file/raxuz.pdfIn PDF document text
  • https://guptajimarriagebureau.com/userfiles/file/4060657043.pdfIn PDF document text
  • http://www.celso.org/download/99696595329.pdfIn PDF document text
  • https://araprinter.com/ckfinder/userfiles/files/zovusirise.pdfIn PDF document text
  • http://marmaraisg.com/images_upload/files/39621466396.pdfIn PDF document text
  • http://eptesteplelek.com/uploads/file/wogexulonabizigos.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/o87kfqgogevhimnp75o8i6qu94/40894612963.pdfIn PDF document text
  • http://honderhotel.com/UploadFiles/FCKeditor/20211003200609.pdfIn PDF document text
  • http://wildpflanzen-planung.de/file/fejufaxutupukegisi.pdfIn PDF document text
  • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/16166233798e81---9539659611.pdfIn PDF document text
  • http://alrabbanoilandgas.com/file/files/lefatux.pdfIn PDF document text
  • 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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