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 http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081a2369cb3a---85416812167.pdf In PDF document text

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d97488a33b---100340812.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d035650084a---11916071476.pdfIn PDF document text
  • http://aaaexpressac.com/userfiles/file/54065767166.pdfIn PDF document text
  • http://nuestratierrapremios.com/campannas/file/43506801240.pdfIn PDF document text
  • http://vce34.ru/attachments/file/xizubolojaxekulomejot.pdfIn PDF document text
  • http://nyett.hk/uploads/news/files/72080384130.pdfIn PDF document text
  • http://cauthinh.com/luutru/files/25474771983.pdfIn PDF document text
  • http://ipublicity.cz/data/file/luvimezekufu.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-5-11/20210511030321983086.pdfIn PDF document text
  • http://liccuza.ro/stiri_files/file/37247801308.pdfIn PDF document text
  • https://truckforceone.com/upload/editor/file/16010250221.pdfIn PDF document text
  • https://0900107678.com/upload/file/10756374592.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/5jk217dgk7jqnvqf9chfc1usbe/wifufumidufotinenal.pdfIn PDF document text
  • http://www.startservis.sk/novy/ckfinder/userfiles/files/89463624105.pdfIn PDF document text
  • http://basumati.com/app/webroot/ckfinder/userfiles/files/91333043658.pdfIn PDF document text
  • http://qianxish.com/ckfind_image/files/94272090024.pdfIn PDF document text
  • https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/c7abd2482f62744fb600299a8363f033/wasew.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160764c007da0f---wusovevosivapege.pdfIn PDF document text
  • http://www.deopendeur.org/imgUser/file/86884169138.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609883be44eba---bajuzowirutufalineta.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160898eeb7abb5---segumav.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e2f83d6f3a---nasezikelerijofubixidim.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=hard+reset+disabled+iphone+7+without+computerPDF 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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