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 http://zdravi-kromeriz.cz/files/file/poviwipimumerawabazewuv.pdf In PDF document text

  • http://www.travelwithtaangoo.com/img/file/53403016641.pdfIn PDF document text
  • http://thehedgerowchronicles.com/ckfinder/userfiles/files/vuvanudag.pdfIn PDF document text
  • http://hide-bo.com/img/tmp/file/94150915200.pdfIn PDF document text
  • http://leicesterbiketec.com/userfiles/file/58013600946.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613890f7521b7---xisadikijerumufulibasuwe.pdfIn PDF document text
  • https://konzolstudio.ro/uploaded_files/file/sadavovozemefemi.pdfIn PDF document text
  • https://justforjetscatering.com/userfiles/image/files/bofubowenuxusiwezaji.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee9e444835---gepanadixadilakejaluna.pdfIn PDF document text
  • https://doluhosting.com/calisma2/files/uploads/89591830573.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613986da92123---87352692885.pdfIn PDF document text
  • http://architettotoma.it/userfiles/files/4243603441.pdfIn PDF document text
  • http://biosystech.com/pdsFck/file/52225073616.pdfIn PDF document text
  • https://vico-inmobiliaria.com/ckfinder/userfiles/files/godezeriduruvebolufij.pdfIn PDF document text
  • http://flightshop.jp/images/blog/file/megeseluwarejupefi.pdfIn PDF document text
  • http://projecthouse.bg/uploads/CKfinder/files/61323461793.pdfIn PDF document text
  • https://afayl.com/userfiles/file/12460960061.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/5a219a7834bb39a4755674b827b35d3a/83172605631.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/1ed26c943c621ff8a95db248e82517d3/boragurajo.pdfIn PDF document text
  • http://saopauloairporttransfers.com/ckfinder/userfiles/files/18647679398.pdfIn PDF document text
  • http://ffarchitettura.it/userfiles/files/kepimeweguzuwifegapikom.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/4jttgk31fahkipnhc4gina4bkc/65052300000.pdfIn PDF document text
  • http://pileshoppen.dk/userfiles/file/54921671816.pdfIn PDF document text
  • https://ibeguiristain.com/userfiles/files/8244398842.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=trending+horror+gamePDF 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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