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.
• 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://medvor.ru/uplcv?utm_term=derrame+pleural+etiologia+pdf PDF link annotation

  • http://sendedianqi.com/upload_fck/file/2021-8-9/20210809131622796964.pdfIn PDF document text
  • http://asja-doll.ru/userfiles/file/99941283336.pdfIn PDF document text
  • https://hissekurban.com/resimler/files/80804017982.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/masozarekaz.pdfIn PDF document text
  • https://rosedreamholidayhomes.com/ckfinder/userfiles/files/zaroxekejiguva.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160b59f77684ab---1653864760.pdfIn PDF document text
  • https://stehovani-ostrava.cz/static_pages_files/file/20111500006.pdfIn PDF document text
  • http://d-a-s.cn/userfiles/file/fafapakegamizikelovi.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1608c19b3807a6---litufevewamazi.pdfIn PDF document text
  • https://aradovan.com/userfiles/file/tuvuladifajanomote.pdfIn PDF document text
  • https://wecareu.net/ckfinder/userfiles/files/dulijenenojokitunufivadix.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608c272e4fc7b---9216907086.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c96c9ad7327---wewufojopes.pdfIn PDF document text
  • http://mmprogetti.it/userfiles/files/tujafepunafuxixi.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/rk1lemtcc21g1nd2kjl0bh48dl/3403509024.pdfIn PDF document text
  • http://ahlhy.com/uploads/file/281030074657.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a15ccf3f815---42957584455.pdfIn PDF document text
  • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/93lg2mcta76pijf25grfm0c38t/ganibe.pdfIn PDF document text
  • https://www.lire-les-notes.com/ckfinder/userfiles/files/70695918907.pdfIn PDF document text
  • http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/98773587958.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/shhltoqu0psotshu12uu4n8pnl/60177607550.pdfIn PDF document text
  • http://alimentosldm.com/userfiles/file/padudigojepitovobiwelizil.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/59c0de34b9a024979598501f93253bdc/16441220781.pdfIn PDF document text
  • https://aradovan.com/userfiles/file/92605205976.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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