Malicious PDF — malware analysis report

Heuristics 7

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://maturana.cl/upload/file/minaligupiremuvupijezep.pdf In PDF document text

  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/16135c075bda1d---nakusakubojapujilub.pdfIn PDF document text
  • http://ecme.site/2015/vat/upload/files/kujaxapogosij.pdfIn PDF document text
  • https://tssch.in/tssch/application/admin/uploads/file/wivotavoma.pdfIn PDF document text
  • http://zit-tech.com/userfiles/files/damex.pdfIn PDF document text
  • http://chinalabware.net/d/files/50064345180.pdfIn PDF document text
  • https://fanaf.org/article_ressources/file/60763334411.pdfIn PDF document text
  • https://delcinfo.ru/img/files/files/duvakoxagise.pdfIn PDF document text
  • http://smcertificationservices.com/userfiles/files/rejitutobiwek.pdfIn PDF document text
  • http://infosierra.es/images/editor/mopar.pdfIn PDF document text
  • https://www.andreivieru.com/ckfinder/userfiles/files/senojoboxuxinapurogoxu.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140bb3b23865---40333521758.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150a1a6a2e42---pojolojib.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/eab0c8b44a7fed69dee7646dce6525ec/58074504195.pdfIn PDF document text
  • http://ahjygjg.com/upload_fck/file/2021-9-28/20210928100124148397.pdfIn PDF document text
  • http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/77966607612.pdfIn PDF document text
  • https://inprovitchile.com/ckfinder/userfiles/files/sogofukuxogisi.pdfIn PDF document text
  • https://kmedebiyatgunleri.com/ckfinder/userfiles/files/badinidovezajul.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/33ecac1a7358ac4164e4a39029fd6d4c/41473278237.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/161413d188bd77---63435753190.pdfIn PDF document text
  • http://surmounttravel.com/userfiles/files/28422540663.pdfIn PDF document text
  • http://3xlove.com/uploadfile/file/93647764026.pdfIn PDF document text
  • http://hatdesechia.com/storage/ckfinder/files/jevifevawewolegalitiwe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=like+for+realPDF link annotation
  • http://zs.tom.ru/jsplugins/ckfinder/userfiles/files/dapobum.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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