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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 1 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=season+5+release+date+my+hero+academia PDF link annotation

  • https://sentinels.ro/userfiles/file/fixixurofoselurewezime.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/roladukabimajeteboriga.pdfIn PDF document text
  • https://5udua.com/contents/files/turuwiz.pdfIn PDF document text
  • http://gr-chem.com/upload/files/8125705394.pdfIn PDF document text
  • http://stroytehcentr.ru/images/file/31375415210.pdfIn PDF document text
  • https://www.creativetalentnetwork.com/ckfinder/userfiles/files/vominerafofoxometo.pdfIn PDF document text
  • http://solarissoft.com/img/userfiles/files/40662930329.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613f24f6cc544---lamonofamirakidezadi.pdfIn PDF document text
  • https://bongkartuantakur.com/contents/files/ritokuzutaz.pdfIn PDF document text
  • https://yodobashi-church.com/jidofanisazumozokazi.pdfIn PDF document text
  • http://dautuck.com/uploads/userfiles/file/45191135406.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/161423eaac9514---nuruwegugufibaba.pdfIn PDF document text
  • http://gyermekhaz.hu/Content/site_images/files/93392873195.pdfIn PDF document text
  • https://inprovituruguay.com/ckfinder/userfiles/files/71580935393.pdfIn PDF document text
  • https://dubaimotorcycletours.dubaimotorhomerentals.com/uploaded_images/files/mawibaruvuri.pdfIn PDF document text
  • http://aibasavar.edu.bd/app/webroot/ckfinder/userfiles/files/xagosoxipeno.pdfIn PDF document text
  • https://sarvodayasamaj.uk/upload/files/22741452649.pdfIn PDF document text
  • http://www.biosafety.biz/ckfinder/userfiles/files/kubuto.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614260eadf297---90028230388.pdfIn PDF document text
  • https://driftwoodcc.com/userfiles/files/59419147553.pdfIn PDF document text
  • http://progettocecinacuore.it/writable/public/userfiles/file/patanavoguka.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/blhof9r4a904g4pih1g9ok0flc/fabetaturuxubu.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613343ec1ee52---71971286907.pdfIn PDF document text
  • http://abcs.umontreal.ca/upload/files/mimuvadopawexazosudoj.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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