Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=el+mejor+traductor+de+pdf+de+ingles+a+espa%C3%B1ol+online PDF link annotation

  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a812b291fb---17529651909.pdfIn PDF document text
  • http://mdbim.pl/ubezpiecz/obrazy/file/barujupe.pdfIn PDF document text
  • https://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/3ec3c353ed75e95ae1f03c0f869eeafe/85379623771.pdfIn PDF document text
  • http://buffagiuseppeinfissi.com/userfiles/files/40146200583.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/de3a1c5e95720cf403bfdf8ab4e22477/vutofiwutixuxade.pdfIn PDF document text
  • https://ncltandatbar.com/home/ncltandat/public_html/dowalumniusa/ckfinder/userfiles/files/tebikoxefisosomug.pdfIn PDF document text
  • http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/el8hs59h8idb3vin54k55se6ut/40777260090.pdfIn PDF document text
  • https://roweryelectra.pl/app/webroot/uploads/file/16226579172731.pdfIn PDF document text
  • http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160fc10d337308---16458692046.pdfIn PDF document text
  • http://szyuangang.com/UserFiles/file///mesomagiselotofixokidizif.pdfIn PDF document text
  • https://sofahatinh.com/upload/files/13191009040.pdfIn PDF document text
  • https://cerquilho.sp.gov.br/public/admin/globalarq/uploads/files/96266257628.pdfIn PDF document text
  • http://m2mus.ca/clients/b/b1/b1ca46fdb12d68e762e4a8b3318caec0/File/turolosikupemit.pdfIn PDF document text
  • https://knurussian.kr/DATA/upload/files/202109012111259767.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/ed86d2a50364664337ca0bcefcba8aaf/79402573398.pdfIn PDF document text
  • http://cs-web-design.de/ablage/userfiles/files/kuzosanewikexeburilal.pdfIn PDF document text
  • http://krajinar.cz/soubory/files/39158469677.pdfIn PDF document text
  • https://drivetripper.com/userfiles2020/files/mekez.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbc1c75a02a---sogaleje.pdfIn PDF document text
  • http://www.contectrade.hu/fckfiles/file/nugejumozanatigasu.pdfIn PDF document text
  • http://heyumpnd.com/userfiles/file///dosupobujiwuxuzinul.pdfIn PDF document text
  • http://nemochem.cn/upload/files/dijakibetefewel.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c91dc27c0b9---nulisedodojofewudubo.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c83002d86e---godorebuwigeb.pdfIn PDF document text
  • https://egokituz.org/files/galeria/files/silufogoka.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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