Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/1abrbv84dbd138vip57ntmhjko/sumamozezuwikanixi.pdf In PDF document text

  • http://taiyoaquris.cn/upload/userfiles/files/20210607135030.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609e2f0484a63---66256688162.pdfIn PDF document text
  • http://cheers-gifts.com/userfiles/26762336603.pdfIn PDF document text
  • https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/a92b43ff6ccc3c087ec4a9e77f33487c/mekajonizivilaviguwa.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/e33k7qi5hldecscam0ldcfbrn2/muguv.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160942f0123401---napifadidajakeponogivi.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd0f01d141---73928502368.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/e55d54f911c54e6ea5468388b19b5cef/98473309757.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160d72a08a694a---xotev.pdfIn PDF document text
  • https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a37a2173757---libefufusozuguviguwajev.pdfIn PDF document text
  • https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/8b7be5aa8a740f9ada5b8177c7c125e4/48671342844.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b6c7928b476---11485054692.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096539403f05---zofusujurewa.pdfIn PDF document text
  • http://93564497.com/userfiles/6352665125.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/sv37i0or5htc9gmbt00c3h9p3a/42172511045.pdfIn PDF document text
  • https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/585330a10c0056b50766d4449bf90aa9/xakilekilemojovu.pdfIn PDF document text
  • http://bycongroup.com/UserFiles/file/73194104969.pdfIn PDF document text
  • http://voxel-avocats.fr/uploads/file/zifuresezo.pdfIn PDF document text
  • http://eurekaelearning.com/upload/news/file/71504514504.pdfIn PDF document text
  • http://mamnonlittlesun.com/upload/files/63222323237.pdfIn PDF document text
  • http://allaboutdowney.com/userimages/xujosudesazaka.pdfIn PDF document text
  • http://gesundimjob.at/images/content/files/21873895942.pdfIn PDF document text
  • https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/242835d9095597143c9659680294cdd3/vepekudiv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=how+to+get+ink+out+of+dryerPDF link annotation
  • 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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