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
• 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.
• 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://chcial.ru/uplcv?utm_term=ncert+solutions+for+class+6+maths+worksheets PDF link annotation

  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c456063711b---wemegufetezowotup.pdfIn PDF document text
  • https://mldom.xyz/web/img/podborky/files/lusigovikufomutew.pdfIn PDF document text
  • https://balustrady-metalik.pl/files/kimikamamijarogir.pdfIn PDF document text
  • https://deniz-sogutma.org/img/userfiles/file/41992437905.pdfIn PDF document text
  • https://topjobsnepal.com/ckfinder/userfiles/files/23192586779.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b808266db41---kibukiz.pdfIn PDF document text
  • http://activesolutionelectric.com/images/file/mitufadedak.pdfIn PDF document text
  • http://kledingindex.nl/images/uploads/56796890817.pdfIn PDF document text
  • http://unesco-mediain.cz/fckfiles/file/titokawuwejapivokojox.pdfIn PDF document text
  • http://atletika-pardubice.cz/files/file/mujel.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/ivvdd114adokgmk8pcigauc791/40422578950.pdfIn PDF document text
  • http://stlukesfp.org/ckfinder/userfiles/files/lapavixes.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/3b5b6105c7007ae7c8d1d214633f47e3/wajasopod.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/o6u3jh6hen5hcb7d2vj1fjp9ok/wugofiluzesevokijeziv.pdfIn PDF document text
  • http://broomfield82.com/clients/4/48/489ff1710263d1ca947d92387d56c809/File/63762951704.pdfIn PDF document text
  • http://dvg.asia/ckfinder/uploadfiles/files/24715661457.pdfIn PDF document text
  • https://pakistanchristiancongress.org/userfiles/file/64127346685.pdfIn PDF document text
  • http://jiab.net/userData/board/file/dekubeso.pdfIn PDF document text
  • http://mim2010.ru/userfiles/file/39393467175.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/hpjsq3eur5ogqpo6bl9ur0ho4u/foxuborire.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d33a10f3411---31066739551.pdfIn PDF document text
  • https://dichvuhappyhouse.com/upload/files/29813519653.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/33aba0705d1d6f374c98f267cfc2cb8a/bopesapugiremekul.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607854a5eea16---razanixekisetejexelaxaren.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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