Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://pistant.ru/uplcv?utm_term=icivics+government+spending+worksheet+answer+key PDF link annotation

  • http://launensia.cz/ckfinder/userfiles/files/11066884158.pdfIn PDF document text
  • http://knuhpharm.kr/userfiles/file/20210705053811.pdfIn PDF document text
  • http://orderkai.com/uploads/files/96193889173.pdfIn PDF document text
  • http://cieplej.pl/imgturysta/file/sagofebopevib.pdfIn PDF document text
  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/a8fgs1spm4pucrnv9umrmn1sus/17167382052.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160dbea6fc3fe6---23546157303.pdfIn PDF document text
  • http://pattarasawat.com/ckfinder/userfiles/files/58480674641.pdfIn PDF document text
  • http://sk-massimo.com/js/upload/files/33822713235.pdfIn PDF document text
  • http://cwesp.biz/upload/file/zuvativenijilibelofimof.pdfIn PDF document text
  • https://bettyloupaints.com/userfiles/files/gimineda.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0891892df---77640328279.pdfIn PDF document text
  • http://nacyc.jp/Upload/file/28012157819.pdfIn PDF document text
  • https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/7d0ee6a26de8d1747d49b6cd01d186e3/62446905497.pdfIn PDF document text
  • https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/q2i1e05icpe4rlgp0q1ibv3qbg/49092029974.pdfIn PDF document text
  • http://bendhorseride.com/userfiles/file/dirikikevuvugiguf.pdfIn PDF document text
  • http://zlato-stribro-investice.com/upload/files/pawelamirisaveladumigud.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160c9d8109a0bb---dujogitasow.pdfIn PDF document text
  • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/5438973ea12e37e6e1b020ab9a2c2b71/ritikimuxenigarulesoru.pdfIn PDF document text
  • http://kpghomerepairs.com/uploads/image/files/lejanakibiwimonofoxap.pdfIn PDF document text
  • http://akgikorea.com/file_upload/fck_upfile/file/50780337974.pdfIn PDF document text
  • https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/ijfmaee5nvd6bogd6n85o3mte5/46475074386.pdfIn PDF document text
  • http://pechati-piter.ru/userfiles/file/dofajemiwuxanejiwomaf.pdfIn PDF document text
  • http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210706050617.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/78227900171.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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