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://smidgel.ru/uplcv?utm_term=cambridge+checkpoint+past+papers+2015+pdf+science PDF link annotation

  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/9kpmm4nmj03h94r8mhv9pjv6pt/61713455215.pdfIn PDF document text
  • http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608920a386021---50427676047.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611f73fe9dede---59623606895.pdfIn PDF document text
  • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c450ff19f00---33670389022.pdfIn PDF document text
  • http://wonsakai.com/uploads/files/jimevov.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/nc3ce4nebf8l1ccsgreik1tr9t/jumonusiguxi.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16090cb8f87fa1---baputaluvolej.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/t8ooe7g1u35ig02ckbdoobpbi3/jisugupupamupinip.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16088beb88b292---42070474622.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/f42d9e2cafde48d356b767323d21fb83/14087039630.pdfIn PDF document text
  • http://all-pass.com/folder/editor/file/23969535774.pdfIn PDF document text
  • http://crescentcarpets.com/userfiles/file/80531634263.pdfIn PDF document text
  • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160b466eca962f---10725812768.pdfIn PDF document text
  • http://joy05.com/_UploadFile/Images/file/xapuluferituvije.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/382736b34b9402070d0a66ce0a4e7900/lumulidoxulusewu.pdfIn PDF document text
  • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/e1abdnji6movnt3479f2fg5t53/pebotuwovifono.pdfIn PDF document text
  • https://tenfci.org/userfiles/file/tosipuloletaji.pdfIn PDF document text
  • http://bradleyhillsapartments.com/demo/uploads/contents/file/tudebusokevadupavem.pdfIn PDF document text
  • https://bawaniint.com/ckfinder/userfiles/files/zibuwavokajokod.pdfIn PDF document text
  • http://thebellingerfamily.com/clients/0/05/05034faaa501c69409a7459485cba135/File/34991472784.pdfIn PDF document text
  • http://beauty214.com/uploads/files/202108171655299902.pdfIn PDF document text
  • https://psfund.org/public/uploads/files/cms_files/rorakel.pdfIn PDF document text
  • http://automozg.by/upload/editor/files/73457216323.pdfIn PDF document text
  • http://emke.hu/uploads/ckfinder/userfiles/files/5660237091.pdfIn PDF document text
  • https://jagominum.com/contents//files/13024077865.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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