Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=best+phone+cleaner+2020 PDF link annotation

  • https://www.agcontraincendios.es/ckfinder/userfiles/files/benimidedoj.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16147ef70097b1---98524331891.pdfIn PDF document text
  • http://anapharmata.hu/ckfinder/core/connector/php/files/22632853336.pdfIn PDF document text
  • https://nisahanpin.com/calisma2/files/uploads/31583539008.pdfIn PDF document text
  • http://zeci.nl/im/image/sofarasib.pdfIn PDF document text
  • http://wxdyzs.com/userfiles/files/43368573768.pdfIn PDF document text
  • https://taiwan-tiaya.com/upload/tiaya_official/files/90258351912.pdfIn PDF document text
  • https://shinko-tw.com/UserFiles/file/47527652339.pdfIn PDF document text
  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb3a261a14---tatamujapupoliruzara.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161386b45a097b---18052850468.pdfIn PDF document text
  • https://jdsliquorlocker.com/nbloom/fckuploads/file/mujuka.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/92o0kdgf1stolqvcvretkbesti/14435172005.pdfIn PDF document text
  • https://nusantarabet4d2.com/contents/files/54836612413.pdfIn PDF document text
  • http://thebeautyofdesign.nl/ckfinder/userfiles/files/pigexuw.pdfIn PDF document text
  • http://hyunsin.net/userfiles/file/60564108076.pdfIn PDF document text
  • https://helicopterleasingservices.com/userfiles/files/18894733056.pdfIn PDF document text
  • http://sergeisurzhin.ru/ckfinder/userfiles/files/gumumano.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/161448465b9b03---62406776939.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131171ed9f0f---46256013923.pdfIn PDF document text
  • http://dfwarbitrator.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kapofoli.pdfIn PDF document text
  • http://theprojectmanagement.guru/cote_dor_import/admin/ckfinder/userfiles/files/5236588214.pdfIn PDF document text
  • http://stcforanebanglore.smcim.com/www/js/ckfinder/userfiles/files/75702114420.pdfIn PDF document text
  • http://meijialx.com/ckfinder/userfiles/files/96247827620.pdfIn PDF document text
  • http://sasmedm.com/www/js/ckfinder/userfiles/files/bewupevanimalipudefebago.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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