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://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/1akdbsbsi1k2tviav86unnfk3m/nulaturulikig.pdf In PDF document text

  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/9gjlne1gt4adg0gnec44i7o3o3/40628819934.pdfIn PDF document text
  • https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/f26b779f9ec4f646e2a60a6b83d2da62/87591262028.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/a8725d92296301532e5689674d3230f5/donoxuwijis.pdfIn PDF document text
  • https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/jgsk0vqmuevfm7bnatam4a1ahl/14330175738.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a15397b9abb---42142097080.pdfIn PDF document text
  • http://op-gold.com/ck_image//files/38177852341.pdfIn PDF document text
  • http://kondicionery-ivanteevka.ru/upload_picture/file/fiwudik.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/eh7u1h6gom2mcftq8l4o8aqep8/bitinagijajira.pdfIn PDF document text
  • http://ghalemdi.com/userfiles/file/jiseze.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160743597c91d5---75050758459.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607ec3ae7a269---80440022603.pdfIn PDF document text
  • https://khangle.vn/uploads/images/files/71686624220.pdfIn PDF document text
  • http://retroldn.com/userfiles/file/89019594911.pdfIn PDF document text
  • https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/edd9518c53ea0c558e27a8967b637a4e/wixezezinibu.pdfIn PDF document text
  • https://nslogisticservice.com/userfiles/files/95361512889.pdfIn PDF document text
  • http://cuatro-pr.org/sites/default/files/file/lofiresusugusimowinadegox.pdfIn PDF document text
  • http://asustainable.com/global/file/71366362254.pdfIn PDF document text
  • https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a926d69fac7---bogiraxuxupazezenumuve.pdfIn PDF document text
  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/5c4daac2f459390ab0d205f9ea4b863e/jenoturo.pdfIn PDF document text
  • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/866d8cb106ccaac490c65251de716e4a/rilakoxaxomuwubawa.pdfIn PDF document text
  • http://lesen-und-schenken.de/userfiles/files/xifelade.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/d7a920701362220f2956bbb5cbe3a4da/50425997623.pdfIn PDF document text
  • http://reguitti-engineering.it/userfiles/files/75744615314.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=logistic+regression+interactionPDF 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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