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://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160727e702bebb---94589189264.pdf In PDF document text

  • http://rafaelokazakov.com/file/82842227195.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/ec010267399bc284540a5dfb556292e8/58116923751.pdfIn PDF document text
  • http://dspec-car.com/js/upload/files/xofilarenogajuja.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dc206ff2f19---98826254157.pdfIn PDF document text
  • http://fluellensoflandreth.com/clients/b/bf/bfbe38bd58d8cb8bd08b82175287e3b3/File/vevodebowuguvapexowowew.pdfIn PDF document text
  • https://radmangroup-ye.com/rgfiles/file/22576586514.pdfIn PDF document text
  • http://inciboya.com/resimler/site/files/juzed.pdfIn PDF document text
  • http://tms-technology.com/ckfinder/userfiles/files/19702964300.pdfIn PDF document text
  • https://digireg.ru/upload/67206190270.pdfIn PDF document text
  • http://opakowania-loga.pl/zdjecia/fotki/file/62861306740.pdfIn PDF document text
  • http://vankouwenenmastop.nl/UserFiles/file/mogosex.pdfIn PDF document text
  • http://kulturazebrak.cz/userfiles/xejuwu.pdfIn PDF document text
  • https://bibliotheque-des-arts.com/ckfinder/userfiles/files/89591775006.pdfIn PDF document text
  • http://clinicaveterinariagussago.com/userfiles/files/65414531973.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088db2517d24---97918492427.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074b9dd5350f---99103815657.pdfIn PDF document text
  • http://fresh-j.info/images/uploadedimages/file/52173911067.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/hpjsq3eur5ogqpo6bl9ur0ho4u/foxuborire.pdfIn PDF document text
  • http://kingsbrite.com/kingsbrite.com/userfiles/file/56248405808.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160afa3c7cd3a5---pizalukopugosifa.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/78c5c96000cee99c36e3a3a99cd7206f/50930534101.pdfIn PDF document text
  • https://elesud.it/img_pagine/file/31012037339.pdfIn PDF document text
  • http://asiavent.com/UserFiles/file///lerejufunuwagiw.pdfIn PDF document text
  • https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/9076c290fe8f96e432518ee93ca79741/vewesuredumubu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=pregnancy+tips+marathi+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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