Malicious PDF — malware analysis report

Heuristics 5

• 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://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/13532309d2a1d7d5fdb8761afe077cfe/55259538016.pdf In PDF document text

  • https://nestaerospace.com/uploads/file/35793293624.pdfIn PDF document text
  • http://nakajima-ya.com/upload/save_image/files/folutamojinemiboxanoru.pdfIn PDF document text
  • https://www.alugutader.fr/ckfinder/userfiles/files/rixinajisesipilomes.pdfIn PDF document text
  • http://gabinetortodontyczny.eu/userfiles/file/72506201281.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/b01mjitvp1h1e6j8ua2vkclebh/63437052178.pdfIn PDF document text
  • http://uticahighclassof78.com/clients/8/89/89c70e22fe5ad1405280b455f64975d7/File/lefawodosopusivemiperipon.pdfIn PDF document text
  • http://daiichilogistics.com/uploads/news_file/wizabuledawoxatofajaj.pdfIn PDF document text
  • http://relocationservicesgroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076a91810191---52875024372.pdfIn PDF document text
  • https://activepymes.com/pub/file/11145243122.pdfIn PDF document text
  • https://daulte.ch/ckfinder/userfiles/files/23485423425.pdfIn PDF document text
  • http://realestatespoznan.com/uploads/82417777142.pdfIn PDF document text
  • https://ildiko-szepsegszalon.hu/userfiles/file/salomezutofawegobi.pdfIn PDF document text
  • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609153e1148c3---jemilotozadaxisabo.pdfIn PDF document text
  • http://mebell-city.ru/ckfinder/userfiles/files/dafulubejurixedafufisojaw.pdfIn PDF document text
  • http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607353c9d05d2---54284438185.pdfIn PDF document text
  • http://kientrucsangtrong.com/plus/files/witodezufezubu.pdfIn PDF document text
  • http://technocom.pl/editor/file/dadakukexoxutenerivuwex.pdfIn PDF document text
  • https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/nfj841vf9plqv9rj9g037197l1/lowulatuzejelewesupamul.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609c3ff656599---wisobi.pdfIn PDF document text
  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/1609052a8f12c1---vafoxuzav.pdfIn PDF document text
  • http://airholic.com/UpFiles/WebEditorFiles/file/voputidapugejonuzar.pdfIn PDF document text
  • http://airfa.it/userfiles/file/80198899004.pdfIn PDF document text
  • https://implantsdentairesdesmoulins.com/upload/editor/file/geveranu.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16076ed7526535---nosexobazefevag.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=problemas+de+multiplicacion+de+dos+cifras+para+quinto+gradoPDF 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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