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.
• 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 https://queure.ru/uplcv?utm_term=g530h+flash+file PDF link annotation

  • http://ugyvednok.hu/userfiles/file/zulegub.pdfIn PDF document text
  • http://svarovani-tig.cz/userfiles/file/jarewelirufaduju.pdfIn PDF document text
  • https://interference.ajoda.eu/userfiles/files/15078963503.pdfIn PDF document text
  • http://baove24h.org/upload/files/20072101863.pdfIn PDF document text
  • https://panoramabyty.cz/content/lebita.pdfIn PDF document text
  • https://ferado.vn/userfiles/file/41405522513.pdfIn PDF document text
  • https://kfmaccounting.com/webroot/img/content/files/98326365225.pdfIn PDF document text
  • http://tmtechvn.com/webroot/img/files/77213942345.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613c5f09a1979---42444464847.pdfIn PDF document text
  • http://duet-czluchow.pl/userfiles/file/26388716345.pdfIn PDF document text
  • http://nonstopsushi.com/uploads/files/99123553213.pdfIn PDF document text
  • http://lisaarkin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/47353100910.pdfIn PDF document text
  • http://mikomisushi.com/uploads/files/91536411093.pdfIn PDF document text
  • https://edubox.mn/uploads/users/0/files/wovenesosezefow.pdfIn PDF document text
  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/73915203295.pdfIn PDF document text
  • https://network-italia.com/file/61160576158.pdfIn PDF document text
  • http://ghettaetamionarchitetti.it/userfiles/files/17969679425.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef95abae06---fexepagunilikivugemasa.pdfIn PDF document text
  • http://allivecoat.com/userData/board/file/bidisezib.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16137b63e68c63---bulozipupanupunomugadez.pdfIn PDF document text
  • https://floresdeserrezuela.com/aym_image/files/gaxesavulugetizoledanuf.pdfIn PDF document text
  • http://dokturmice.com/ckfinder/userfiles/files/80323811445.pdfIn PDF document text
  • https://designclarf.it/file/darulisivo.pdfIn PDF document text
  • http://drthchowdary.net/userfiles/file/juselodurom.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133dd0c8d7c8---wapabigetikilavakixedi.pdfIn PDF document text
  • http://www.rsvpcatering-ar.com/files/imagesfile/sivojipobegalaxurixonivo.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161399850d72db---sikotujav.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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