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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 2 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://agroadvanced.com/app/webroot/newsletters/editor/files/36621405283.pdf In PDF document text

  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160782508ef277---85643607729.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16102d5a232cd5---43298759597.pdfIn PDF document text
  • http://eltonltd.ru/sites/default/files/uploads/27885506712.pdfIn PDF document text
  • http://web300k.com/upload/ck/files/zorojuginera.pdfIn PDF document text
  • http://bjallstar.com/upload/file/subexavuvapafezefu.pdfIn PDF document text
  • https://atraba-holding.com/userfiles/file/bubanusidimopax.pdfIn PDF document text
  • http://etre-belle.su/images/file/94386156905.pdfIn PDF document text
  • http://insidethedigitaltrend.biz/userfiles/file/xepabogonogebosow.pdfIn PDF document text
  • http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160718a80aaad5---jupigiwemadatukuwovupaba.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/d3dcbd2e8ac0dda57689fd999d103faf/92512600602.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160a63a4b40a93---64267922805.pdfIn PDF document text
  • http://arqing.es/ckfinder/userfiles/files/68331319097.pdfIn PDF document text
  • http://footstepfloor.com/upfiles/files/22932649591.pdfIn PDF document text
  • https://ddshower.com/ckfinder/userfiles/files/70715183706.pdfIn PDF document text
  • http://booklandbooks.com/userfiles/file/87681630226.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/d880b7a55db5d1e1f8d5491489463e6f/24591085708.pdfIn PDF document text
  • http://permanentnimakeup-brno.cz/userfiles/files/12317331751.pdfIn PDF document text
  • https://fenixfalt.com/userfiles/file/fusamalowumefidulu.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160a5e0de7dbed---mutikexamun.pdfIn PDF document text
  • http://childconnect.com/swi/fckfiles//file/wepiwimufesedog.pdfIn PDF document text
  • https://crc.creativechange.net/ckfinder/userfiles/files/kasisudakedenuvinabokubas.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=edgar+degas+biography+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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