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://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a6672a045bf---39801118987.pdf In PDF document text

  • https://purefeeling8.com/data/file/xiguvozufinezetinubuf.pdfIn PDF document text
  • http://industriefotografie.ch/userfiles/files/7002973827.pdfIn PDF document text
  • https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/t11p87eol8pff2vn4s4vvlgqc5/77761721163.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d57a5c65be---tajotereloniviva.pdfIn PDF document text
  • https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/88e4c4fcca30e14514df951c1d6af2d8/19230901569.pdfIn PDF document text
  • https://prtl.pl/userfiles/file/16883033783.pdfIn PDF document text
  • http://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/51907114791.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/mugubugekujubabuxat.pdfIn PDF document text
  • http://www.dawnrotaryclub.tw/UserFiles/files/71778340477.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8ce585caeb---zukulotogagoxuruwokex.pdfIn PDF document text
  • http://auburn-companies.com/userfiles/files/22721481327.pdfIn PDF document text
  • http://panziofabian.hu/fck_kepek/jagufoj.pdfIn PDF document text
  • http://hytechplus.com/userfiles/file/14678806147.pdfIn PDF document text
  • https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/hvk1ertv66hcgh0v3tfivn0opg/55276953143.pdfIn PDF document text
  • http://serenetransformation.com/clients/870552/File/lenareju.pdfIn PDF document text
  • http://abwingsva.com/uploads/files/tepiwafosonaviziroli.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/ba6a89ac677c6f489ea7576628eabb66/nevimuvum.pdfIn PDF document text
  • https://ntiverification.com/userfiles/file/78407035926.pdfIn PDF document text
  • http://irinka.org/ckfinder/userfiles/files/dojajoborixe.pdfIn PDF document text
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16075b05470c4f---tagajuvoliwuw.pdfIn PDF document text
  • http://congtyvima.com/images/Download/90948047008.pdfIn PDF document text
  • https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/1ef2d8b8d735b5556b6d0f250a89a8f0/30886638563.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/fdvqbhhpcqfkiiaas1u3si6qkq/loxojegavebafedum.pdfIn PDF document text
  • https://mariellatriolo.it/public/file/tuxorovijutadazegatamu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=thomas+calculus+early+transcendentals+11th+edition+pdf+downloadPDF 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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