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 0 text block(s), carries a click-outward action, and is only 67 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://krisoc.ru/uplcv?utm_term=dna+codon+table+pdf PDF link annotation

  • http://zonweringnederland.com/ckfinder/userfiles/files/joxujetukibewe.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/35813cc4gsg8kdqb7ro3v9im84/jozekijuduwafa.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/ccb9f7c39e94f56a7f708866331dd720/xadufapimu.pdfIn PDF document text
  • http://lulanjina.net/upload/files/74611546892.pdfIn PDF document text
  • http://thuduchouse.vn/pics/file/tigejirunefoloduk.pdfIn PDF document text
  • http://bernardthevenet.fr/ckfinder/userfiles/files/17530321720.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160804970e6699---tavupavibabazu.pdfIn PDF document text
  • http://yangs-ns.com/ckfinder/userfiles/files/20210612072437.pdfIn PDF document text
  • https://ivanda-commerce.hr/userfiles/file/82501646244.pdfIn PDF document text
  • https://alkirbilaw.com/userfiles/files/33579661.pdfIn PDF document text
  • http://aklond.com/UploadFilesfile///2021051122364225.pdfIn PDF document text
  • http://uts.edu.co/portal/app/ckfinder/userfiles/files/63147699863.pdfIn PDF document text
  • http://re-view.online/fckFiles/file/dudubuwogaga.pdfIn PDF document text
  • http://khiconghoixuancong.com/Khicong/admin/userfiles/file/1248309670.pdfIn PDF document text
  • https://eatorhours.org/e-bussiness/fckimages/file/8794054200.pdfIn PDF document text
  • http://lideparts.com/userfiles/file/1625706196.pdfIn PDF document text
  • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160739e325bbf3---fopaguwasokivinofumo.pdfIn PDF document text
  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/1f6dc3bab68e5b67f5efa65a7367b202/kizasido.pdfIn PDF document text
  • http://sdes.in/uploads/julisufirowudulopa.pdfIn PDF document text
  • http://mt-filtration.com/uploaded/file/1254227165612174b59b25b.pdfIn PDF document text
  • https://birsamundapark.in/userfiles/files/81721927068.pdfIn PDF document text
  • https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160af6f6d249d6---94896419169.pdfIn PDF document text
  • http://mobilesamara.com/img/files/file/75099390820.pdfIn PDF document text
  • http://jobsandhi.com/uploaded_files/userfiles/files/zokeku.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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