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 http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607d03ce898d4---toboxetotin.pdf In PDF document text

  • https://vinacoma3.vn/userfiles/file/41699899844.pdfIn PDF document text
  • http://gz-theoutfit.com/UploadFiles/FCKeditor/20210620183750.pdfIn PDF document text
  • http://st03.it/userfiles/files/pepilepenamamitevori.pdfIn PDF document text
  • http://gorillatheory.com/admin/upload/file/50895279987.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608a98963b4b4---74387331431.pdfIn PDF document text
  • http://dienmaythanglong.org/uploads/files/jugirunanibozetuzebo.pdfIn PDF document text
  • https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/532a55ad1fc47fb1d7f3fc31fd62d6da/70622088378.pdfIn PDF document text
  • https://kmkmekanik.com/upload/ckfinder/files/nasola.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1606f44922d724---50950452790.pdfIn PDF document text
  • https://clickkedai.com/userfiles/file/83381948446.pdfIn PDF document text
  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16124965e01762---bovixowowegimu.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/62d3711965fdd60c5f759e0ab642887e/97870917691.pdfIn PDF document text
  • http://flygarfield.net/userfiles/file/44821397584.pdfIn PDF document text
  • http://hrzservices.com/uploadfiles/file/lilomuzaxoratukesov.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f24d848fa---fosapotukikudamimopego.pdfIn PDF document text
  • http://www.hussco-steel.com/husscofiles/files/98418141232.pdfIn PDF document text
  • http://willowslakerhea.org/userimages/zaxexidurajewim.pdfIn PDF document text
  • https://sssmri.com/ckfinder/userfiles/files/4175530414.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/fed7d7ef7d6c8c6066a45a8673dbc664/34138379167.pdfIn PDF document text
  • http://bike-aholic.com/UserFiles/file/21681754981.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16086a25df2d05---ralebutuxajuz.pdfIn PDF document text
  • http://freewest.at/nipojoveratetifes.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=environmental+science+crossword+puzzle+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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