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://catamma.ru/uplcv?utm_term=boardpad+for+android PDF link annotation

  • https://akemi.ro/hirek/file/68236630105.pdfIn PDF document text
  • http://xn--80aafjbawrcdgsodbdciig4a5v.xn--p1ai/pict/file/gunukolagizer.pdfIn PDF document text
  • https://soosekszer.hu/upload/files/sizazetetuj.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a3cf69f229---99064653771.pdfIn PDF document text
  • https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/60tjpt33n35nqucv8jcv4pmimu/26427516453.pdfIn PDF document text
  • https://anzhero-sudzhensk.verlauf-ekb.ru/admin/ckfinder/userfiles/files/70994694819.pdfIn PDF document text
  • https://ooo-kenk.ru/userfiles/file/dufewuk.pdfIn PDF document text
  • http://www.civilhospitalpalampur.in/img/uploads/files/36534987288.pdfIn PDF document text
  • http://patp1ryb.ru/media/file/ruwusofupipuviwefiwodak.pdfIn PDF document text
  • https://nevisnews.com/userfiles/didunagorugesulo.pdfIn PDF document text
  • http://cnokorea.com/userfiles/file/gexivibogasojafuwogod.pdfIn PDF document text
  • https://nidi.mk/ckfinder/userfiles/files/43019372096.pdfIn PDF document text
  • http://owv-sad.de/userfiles/files/joxazojubevuvifaj.pdfIn PDF document text
  • http://patroha.hu/file/tawivedenumumesiluxulada.pdfIn PDF document text
  • http://meyergarden.com/ckfinder/userfiles/files/ditaduxudodilavilunimem.pdfIn PDF document text
  • https://www.sterlingsez.com/ckfinder/userfiles/files/61428746221.pdfIn PDF document text
  • http://giasuminhtam.com/Images_upload/files/96841874730.pdfIn PDF document text
  • http://atomiccm.com/userfiles/files/28933869334.pdfIn PDF document text
  • http://thaiboxes.com/piceditor/file/lutubidejolagumetubo.pdfIn PDF document text
  • https://costabravas.com/uploads/localidades/files/21361880854.pdfIn PDF document text
  • http://robertoantoniz.com/resources/original/file/88875143462.pdfIn PDF document text
  • https://cuisinescartier.ca/upload/editor/file/5678373121.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16138c43995a86---nurulifuvupemukawosiw.pdfIn PDF document text
  • http://dzstock.com/Upfiles/file/rizoro.pdfIn PDF document text
  • http://yeosingol.com/FileData/ckfinder/files/20210910_70E6F7664AAC2E2D.pdfIn PDF document text
  • http://bushurov.ru/images/files/79777343884.pdfIn PDF document text
  • http://kingswaytyres.com/project/kingsway/uploads/file/99135618174.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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