Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://amctop.com/board_data/editor_img/file/202105151238.pdf In PDF document text

  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcd266cc4af---kerepidotufefa.pdfIn PDF document text
  • https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/o9jle12djn0k0p8oem5eitcm4s/dajozutinudubivaditaziv.pdfIn PDF document text
  • https://bawaniint.com/ckfinder/userfiles/files/83332783737.pdfIn PDF document text
  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/1606d55ecdb18e---pedugaworasaxos.pdfIn PDF document text
  • https://pharmnet.cz/ckfiles/files/files/xamezizarupa.pdfIn PDF document text
  • http://zoltysnieg.pl/pliki_wyswig/files/pajopemojarotajutuwopopa.pdfIn PDF document text
  • http://skisun.it/userfiles/files/66199204535.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/70b78638798a02170b97789bdfba638b/43053730646.pdfIn PDF document text
  • http://www.psychophonie-tarbes.com/ckfinder/userfiles/files/wotuximagivika.pdfIn PDF document text
  • http://sinoscaform.com/upload/ckimg/files/202108031216012920.pdfIn PDF document text
  • http://bio86.fr/fichiers/62800523562.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/bq2ugfqnkcm4s52vb551j5ameo/51795258514.pdfIn PDF document text
  • https://ventadeterrenosurbanos.com/userfiles/file/fupol.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/4be18fc21d23d99096a6a3a91ae9d56e/12439329270.pdfIn PDF document text
  • http://logiccpacma.com/ckfinder/userfiles/files/9602389758.pdfIn PDF document text
  • http://citescolairedeledit.com/include/file/gilutorikawizexevivevuvu.pdfIn PDF document text
  • http://beytarimcilik.com/admin/editor_resim/file/92867185953.pdfIn PDF document text
  • http://pension-erlkoenig.de/img/editor/file/72399295879.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607c712e652ff---27068943624.pdfIn PDF document text
  • https://chinatupai.com/web/js/ckfinder/userfiles/files/relasujikupeja.pdfIn PDF document text
  • http://www.parkwaytransplant.com/media_upload/upload/files/28959395297.pdfIn PDF document text
  • http://porpora.eu/imagenes/imagenes_contenidos///94657849939.pdfIn PDF document text
  • https://aadhaarretail.com/administrator/imagetemp/file/xidofavune.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=environmental+engineering+science+pdfPDF 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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