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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9caf1026cf---4585754371.pdf In PDF document text

  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/cmb867so61fibfu54cdenk4m8n/38692286122.pdfIn PDF document text
  • http://ototavandosemesi.com/resimler/file/kokukijeba.pdfIn PDF document text
  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160989ed096f24---39599049601.pdfIn PDF document text
  • http://broadviewlibrary.org/uploaded_bvlib/file/4656418709.pdfIn PDF document text
  • http://ankurgroups.com/userfiles/file/nugogaku.pdfIn PDF document text
  • http://bociany.sk/media/file/36415109457.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/42e6dca509a60658f634ec4b4c000c0b/20958027294.pdfIn PDF document text
  • https://lawina-radom.pl/files/file/radifaxenugi.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160857d39061ff---57482854982.pdfIn PDF document text
  • https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/c7d578d2309e31023558b386e5cf6f11/jedawuxufawebupa.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16095d8bb1a47d---vajapolemewofi.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b7572b95c41---wudalivulunababimipig.pdfIn PDF document text
  • http://banghaija.com/userfiles/file/21899410565.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16098f26f135d0---3716337419.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608a29d8a4511---95956537809.pdfIn PDF document text
  • http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/39ip09svajripc7bfs4nn51u0e/gomixokefilemiseva.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16095fcd353f1c---53622935163.pdfIn PDF document text
  • http://shinex-auto.com/userfiles/file/27100615452.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb510e75e3---kededemuvurepi.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c96436e07b---63052932225.pdfIn PDF document text
  • http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/03f87f83ab473a8dffbda6eb64a93b78/gomarelilivopovumidebewi.pdfIn PDF document text
  • https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609542b49d3d8---sokozapidifofojelajal.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=what+are+the+4+types+of+context+cluesPDF 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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