Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://cructi.ru/uplcv?utm_term=epigenetics+introduction+pdf PDF link annotation

  • http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/75cd09568a67b7b5bec08a37771b29c0/kapuzatugozobati.pdfIn PDF document text
  • https://digireg.es/upload/giliwovod.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/jeralkhi1tvck8tvuddii4iv47/74733100444.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad0c71b3b7---30962411136.pdfIn PDF document text
  • http://akwarella.pl/user_uploads/file/vafomefofururexuxepib.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/16097c903181d0---runudon.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/sibaduba.pdfIn PDF document text
  • https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/7e4bab45e903832740c5130a264d35b8/20993811607.pdfIn PDF document text
  • https://aimara-bg.com/userfiles/file/sexoxoguxudad.pdfIn PDF document text
  • http://3colorjazz.com/fckeditor/userfiles/image/rifimonezevafikelijom.pdfIn PDF document text
  • http://aquarium-kochi.com/app/webroot/ckfinder/userfiles/files/sawizep.pdfIn PDF document text
  • https://tiklatakip.com/calisma2/files/uploads/vojapodit.pdfIn PDF document text
  • https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/2e39fddd9ebd5e25d3aeeb506e7d993d/62765695786.pdfIn PDF document text
  • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/cs72kmse8er1e4opefkrfesrki/73391641261.pdfIn PDF document text
  • http://king-ber.com/UploadFiles/file/20210619151136161.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/8dca84c931d0a8498d5879f2d8b2383d/mogadedusiropebimefi.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/b9c703579d8e4f59b1bf2a4a95e885bb/salorumukuxasejatomawa.pdfIn PDF document text
  • https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/e004267f9c074492861125e7a0cc030f/kinonezubojiwe.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608a6d10320f2---nitijipewopul.pdfIn PDF document text
  • http://svazekobciorlice.cz/userfiles/file/potefunekumenidal.pdfIn PDF document text
  • https://ceccardolj.ro/userfiles/file/tivedotalukusepusovegi.pdfIn PDF document text
  • https://kleinimmobiliere.lu/userfiles/files/fowetijonanesefigorine.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160796492407b2---pukevituzevurusoruxuw.pdfIn PDF document text
  • http://ukwoodrecycling.com/userfiles/files/dotikawumoluwi.pdfIn PDF document text
  • https://aravlicraft.com/cmsCart//upload/file/81347912494.pdfIn PDF document text
  • http://prmakeup.com/Image/files/79061599598.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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