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://ketchas.ru/uplcv?utm_term=worksheetfunction+index+match PDF link annotation

  • https://0800-707-808.com/upload/ckfinder_temp/files/20210812212831.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1573eef64---27599636951.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b299b167d07---durifibitegizusexe.pdfIn PDF document text
  • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606d13e8ea172---jikixerepanejep.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/f589add95e2c666df6ec72b973508d20/48687625659.pdfIn PDF document text
  • https://botorka.ro/userfiles/file/88701924701.pdfIn PDF document text
  • http://www.leasebridge.com/CKUPimg/files/7282771907.pdfIn PDF document text
  • http://skidubravy.sk/spravca/ckfinder/userfiles/files/17255116246.pdfIn PDF document text
  • https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/c5cd4acb09ce2de7bcc7982210c46730/pisojimaxodav.pdfIn PDF document text
  • http://stihoplet.by/upload/editor/files/jibifoguzozeduwates.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084ddbd87088---13761236979.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/gdius5bth05gtppkf5d09qm8ae/fifesigipis.pdfIn PDF document text
  • https://groupburuemas1.com/contents/files/9870328952.pdfIn PDF document text
  • https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/eb9f5e0b6e5960264a7bb514b509817c/gezatojefekanajifu.pdfIn PDF document text
  • http://thestarbusan.net/FileData/ckfinder/files/20210617_1AF47D9ACACB26EF.pdfIn PDF document text
  • http://ylgems.com/file_media/file_image/file/2136544231.pdfIn PDF document text
  • http://biomehl.com/images/content/files/vakuwedu.pdfIn PDF document text
  • http://hotel-ambassador-nice.com/upload/files/18921780873.pdfIn PDF document text
  • http://dental1970.com/clients/5/52/52cfbc2c58cc98a1938bca6351e90795/File/35273480513.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608416a882da5---93498654313.pdfIn PDF document text
  • https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/712930397ed14e4100a78eb2f41fa1b3/wuxanemavan.pdfIn PDF document text
  • http://galerie45.com/userfiles/file/nolukive.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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