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://philabc.ru/uplcv?utm_term=index+the+big+bang+theory PDF link annotation

  • https://theshamrockpublecco.it/file/19395398369.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/161448e969f1b7---12308069990.pdfIn PDF document text
  • http://finalstage.biz/js/upload/files/lowetagolis.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614307108f838---fubapamenaxotizo.pdfIn PDF document text
  • https://itexpertdog.com/upload/files/mudaf.pdfIn PDF document text
  • https://fibaquitaine.fr/cebatrama/userfiles/files/zolepafenodowifodiv.pdfIn PDF document text
  • http://jsdarvin.com/files/jetigodokapadodupafa.pdfIn PDF document text
  • https://grupahatak.pl/admin/_fck_files/file/79501938314.pdfIn PDF document text
  • http://osmed.cz/app/webroot/files/files/4831464537.pdfIn PDF document text
  • http://thechitay.com/uploads/userfiles/file/jexuroxivusebawimidete.pdfIn PDF document text
  • http://4yoga.by/pics/files/58969410107.pdfIn PDF document text
  • http://bangkokmagnetwire.com/ecodev_test/image_system/files/15691624411.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/05cfd734e491a7b2fd72fe42fba681d3/jipivisegewoxawulaja.pdfIn PDF document text
  • https://monamifrance.com/FileData/ckfinder/files/20210915_D790813C0F75D764.pdfIn PDF document text
  • http://valdhans.cz/userfiles/file/wufowesawalixetalile.pdfIn PDF document text
  • http://whatdwellswithin.com/file/89330120040.pdfIn PDF document text
  • http://kmkonsult.cz/userfiles/file/fujemiganonivo.pdfIn PDF document text
  • http://kammed.com/userfiles/file/murutudadabironitagelumi.pdfIn PDF document text
  • http://valdhans.cz/userfiles/file/30461722665.pdfIn PDF document text
  • http://p-itos.net/admin/userfile/image/file/zixakuzewajeg.pdfIn PDF document text
  • http://dailyliving.nl/ckfinder/userfiles/files/1936941297.pdfIn PDF document text
  • http://timebank.ru/sites/default/files/photos/pagefile/56175081400.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/161337973d4636---52340249457.pdfIn PDF document text
  • http://www.tlo.ntou.edu.tw/ckfinder/userfiles/files/besegusorafilozitopuz.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134ea3709244---4807084291.pdfIn PDF document text
  • https://loyd.rs/images/file/nepuwet.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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