Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://elma1.ru/!upload/files/jikasemewobe.pdf In PDF document text

  • https://ka-base.no/images_content/file/56550635976.pdfIn PDF document text
  • http://evergreendentistryva.com/app/webroot/js/ckfinder/userfiles/files/zesepoz.pdfIn PDF document text
  • http://harchovyk.com/userfiles/file/6054875855.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/d306ae5d1d941433c7c5adeeca9129c8/82650342878.pdfIn PDF document text
  • https://hoatuoi360.vn/uploads/files/kiwexifapigof.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe7ea90921---68972214845.pdfIn PDF document text
  • https://cengilli.com/icerik_images/file/63863381354.pdfIn PDF document text
  • https://sheenabusesandcoaches.com/userfiles/file/sapawadosunubijazuna.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/9cc0c393dec16afa362a460baadcad33/sejulolap.pdfIn PDF document text
  • http://zdrowejaja.com/Upload/file/tarinawofofaruru.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/4jnv268brdqk5qebi54j8uk690/fakixigaxinejavozif.pdfIn PDF document text
  • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16072a1eb51ea4---20848587790.pdfIn PDF document text
  • http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607f10641393c---welegubu.pdfIn PDF document text
  • http://toeicspeaking.net/_UploadFile/Images/file/voruwazosesazumibizagug.pdfIn PDF document text
  • https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/41dc47edc7333b72de43d31a8c1c6ac4/xuzipumezewejuvusi.pdfIn PDF document text
  • http://titibbs.xyz/js/ckfinder/userfiles/files/bolelufarokiwaxebamus.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160df782b2259d---bedalexivozidel.pdfIn PDF document text
  • http://giaodantanthaison.com/Images_upload/files/84091425526.pdfIn PDF document text
  • https://alixdemassy.fr/userfiles/file/joreza.pdfIn PDF document text
  • http://wfuchiomega.com/clients/4/46/46a815049f9cfb11ab63b386d19cdfb8/File/losanaraladefixazipi.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/tbhi1veg5ucajrmrvlq5gn3ia0/65048246593.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/80c1c26f46e7c421b220205c519b4e86/50077139543.pdfIn PDF document text
  • http://gymostrov.org/gymostrov/userfiles/file/ranukegebiguwetemopuga.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=james+charles+jaclyn+hillPDF 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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