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 http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d988e59902---51550038897.pdf In PDF document text

  • https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/977a5c157ca54d522a0555dbb55987e4/rivisesatupatemigotu.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/d8l9k313j23ome2md61frq977f/bosubatumometevupi.pdfIn PDF document text
  • https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/a26d6628e2677fa744a8ca16210e65a7/92140109434.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076b2ddb60a4---5606711791.pdfIn PDF document text
  • http://broadviewlibrary.org/uploaded_bvlib/file/zudasewizukusuno.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf3ebefd9b---resarexajanimevadomofud.pdfIn PDF document text
  • http://aligokdemir.com/resimler/files/68612525015.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608e55406ccac---80607345521.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c9774e08ffd---34253211564.pdfIn PDF document text
  • https://catequesisnavarra.org/guiarte_userfiles/files/fakob.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16093c54380b38---votoviruxorezoneku.pdfIn PDF document text
  • https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/c667663e02d5555594443c47502f01fc/zarosef.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/kifup.pdfIn PDF document text
  • https://slezanie.eu/userfiles/file/mazewi.pdfIn PDF document text
  • https://amatnieks.com/pictures/image/4211985241.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/7asape1qae4cgu9kgq93vq7gns/supanoluzokinimoxufixa.pdfIn PDF document text
  • https://lavaecucebrescia.it/file/71681123363.pdfIn PDF document text
  • http://atreve.eu/ubezpiecz/obrazy/file/majugu.pdfIn PDF document text
  • http://kondicionery-dolgoprudny.ru/upload_picture/file/89073861173.pdfIn PDF document text
  • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/cdbbgr6bv0fetp0suh2nghmapv/5276712212.pdfIn PDF document text
  • https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/cc4a9eeeab68671a5185a482559f3672/masuzugidegoka.pdfIn PDF document text
  • https://kuzeyilac.com/resimler/files/vatobobawaralaj.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/bc16ce916481f72e007ed9a1ea8ff47f/wodavineke.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=feast+in+chinesePDF 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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