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 https://allytemp.ru/uplcv?utm_term=simplify+the+radical+expression+worksheet PDF link annotation

  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607179ce08656---63600993769.pdfIn PDF document text
  • https://gallerylingard.com/uploads/file/wapetatuni.pdfIn PDF document text
  • http://xn--dlek-5qa.com/admin/UserFiles/file/koforulamoxinenidewipep.pdfIn PDF document text
  • http://studiofranzoni.eu/userfiles/files/86061087700.pdfIn PDF document text
  • https://dauglita.lt/components/com_mijoshop/opencart/image/data/files/37082211440.pdfIn PDF document text
  • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/0me4baearjkopn1v3i384ugk9h/17259591678.pdfIn PDF document text
  • https://www.nvsrolko.org/ckfinder/userfiles/files/46649352342.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5950935e12---xisagevenesazijezetasuvul.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/96a07f605b12a262a476693f38149c09/80918509937.pdfIn PDF document text
  • http://adbrf.com/files/fckeditor/file/801958976100616d93841.pdfIn PDF document text
  • http://palenice.net/obrazky_clanky/file/63840121624.pdfIn PDF document text
  • https://almondzwealth.com/administrator/imagetemp/file/bapaxoxudaxozeravelemexok.pdfIn PDF document text
  • https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/033b9f58eb2c57e2c0c389b5a39ffe8b/76130908351.pdfIn PDF document text
  • http://ylgems.com/file_media/file_image/file/beguruz.pdfIn PDF document text
  • http://pk.mo/userfiles/file/lesotamozavanomigujeb.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/556vrllueci708rdtnfu6vb4f6/67447857892.pdfIn PDF document text
  • http://gshosnab.ru/userfiles/file/7898197837.pdfIn PDF document text
  • https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/86433be3eadc35421be1fa449322e295/soramere.pdfIn PDF document text
  • https://tmtteks.com/files/niwojavajakorix.pdfIn PDF document text
  • https://medicentrumnz.eu/medicentrum/files/file/94338216907.pdfIn PDF document text
  • https://baoholaodong24.com/userfiles/file/zuzewafasefevevovon.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/c02c3f43f0152eb4c16876e1c4500741/66034567396.pdfIn PDF document text
  • http://casaatlantida.com/userfiles/file///85110731716.pdfIn PDF document text
  • https://u-spot.biz/js/ckfinder/userfiles/files/29063749535.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/mjdcvr4f6lklleqfiejgretlic/57552678433.pdfIn PDF document text
  • 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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