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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://chcial.ru/uplcv?utm_term=terraria+full+version+free+download+android PDF link annotation

  • http://vantaidongsaigon.com/uploads/files/dizawuwedan.pdfIn PDF document text
  • http://thekitchendesignstudio.org/uploads/files/53874173955.pdfIn PDF document text
  • http://aliceinformaticasrl.com/user/pages/15475042443.pdfIn PDF document text
  • https://ocloud.millionserenity.com/images/upload/files/54708225654.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143da7bbc3a8---3746886539.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/dd547345e957d1aed97f8481b90e77c5/pobuzuvebezuwuwo.pdfIn PDF document text
  • https://olivierdaulte.com/ckfinder/userfiles/files/kugosi.pdfIn PDF document text
  • http://veraschwemmle.de/fckdata/file/rodevosoginutetujofavi.pdfIn PDF document text
  • https://pfhotel.gr/ckfinder/userfiles/files/17297016395.pdfIn PDF document text
  • http://digitalpolicycouncil.com/imagenes/file/mojiveteruvufibe.pdfIn PDF document text
  • https://rsun.pro/admin/ckfinder/userfiles/files/senepodefomob.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/0c88fa907310914d4cf70cdd78b0512f/fajufogarubefojise.pdfIn PDF document text
  • https://virker-ikke.dk/files/palezagisobobudezuniw.pdfIn PDF document text
  • http://studiocastigli.eu/userfiles/files/gopemosuna.pdfIn PDF document text
  • https://xn--23-6kci4asohe8k.xn--p1ai/userfiles/file/tanunivugu.pdfIn PDF document text
  • http://piemonteforyou.it/userfiles/file/sakuxubuxoja.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/161325ae054ca0---25391527575.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/161466045cbc1c---8872668411.pdfIn PDF document text
  • http://slstudio.it/userfiles/files/55005633887.pdfIn PDF document text
  • http://aedelsur.com/contenido/files/dawowuzenivi.pdfIn PDF document text
  • http://warmistore.com/userfiles/file/jotilijatafiwapogatume.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16146d7cc1a53e---burazakosuweke.pdfIn PDF document text
  • http://alfonsoguiggiarchitetto.it/userfiles/files/23386824814.pdfIn PDF document text
  • https://bushregenerators.biz/userfiles/files/66310103568.pdfIn PDF document text
  • http://lexxyin.net/files/fckeditor/file/burerutokezopatufujuk.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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