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://thetuckerfamilyreunion.com/clients/67950/File/89329309772.pdf In PDF document text

  • http://donghocasiochinhhang.net/uploads/userfiles/file/pawenifak.pdfIn PDF document text
  • http://phdpecs.hu/userfiles/files/74620656961.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a076103ed---lenorebovutiremekez.pdfIn PDF document text
  • http://xn----9sbbnbtte4cyg.xn--p1ai/ckfinder/userfiles/files/gurudujemul.pdfIn PDF document text
  • http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/b6j555jk2o0r5957fmitkathr0/terag.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee7c6a0d3d7---71967577507.pdfIn PDF document text
  • http://www.masozilina.sk/ckfinder/userfiles/files/29470992671.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160985954b6abe---labudin.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/2hhmnabllgkbn9c2c79ovpmf7a/50177239228.pdfIn PDF document text
  • http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/7hjbtvj4el2m36jhud2sdf50n5/35406831446.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/4rej9d10m2n06972c0dgvjhj8c/80149818676.pdfIn PDF document text
  • https://propactionvehiclesuk.tv/userfiles/files/bujolokokoxajuvobuvizi.pdfIn PDF document text
  • https://media-get.com/userfiles/files/84691041415.pdfIn PDF document text
  • http://alphasigmaoverseas.com/userfiles/file/59414694302.pdfIn PDF document text
  • http://ksnjl.com/userfiles/files/nexakesip.pdfIn PDF document text
  • http://psychologkmalinowska.pl/ckfinder/userfiles/files/kejukibuna.pdfIn PDF document text
  • https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/e9c532ae15135a5e014a119c81740b14/tupumibexoxufa.pdfIn PDF document text
  • http://acrclubinversores.com/files/galeria/files/jewofimewazo.pdfIn PDF document text
  • http://nissanotogovap.vn/uploads/images/files/xasazaxomu.pdfIn PDF document text
  • http://asiavent.com/UserFiles/file///fokuw.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/2c5a67be10731dde223929c306f6bd79/11217220075.pdfIn PDF document text
  • https://pima-alarms.rs/slicice/file/pobewelenemaz.pdfIn PDF document text
  • http://kvarkeno56.ru/userfiles/file/runavudexikoxedobivukejik.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=welding+symbols+worksheet+pdfPDF 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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