Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Macro/content-enable lure medium SE_ENABLE_LURE
  Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
• 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://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1f038eb74---77149203345.pdf In PDF document text

  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160771f2ba476f---65253380568.pdfIn PDF document text
  • http://merwepizza.com/upload/file/75643718135.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/wogokaroperinara.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/d5a3c705ec7686f527e6cb039a5e0de5/78452855559.pdfIn PDF document text
  • https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/340e837e11917fd90c89c3afc5e3321b/16437355375.pdfIn PDF document text
  • https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/tf811irg48koqg60s4afq0mpi5/68090800484.pdfIn PDF document text
  • https://anfauglir.com/images/file/69955918564.pdfIn PDF document text
  • http://fujieshubao.com/zk/UploadFile/file/2021081111105273499.pdfIn PDF document text
  • https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/6e1qtm2elhccmgqt5k9962l3sq/ropokugaxugerojenuratis.pdfIn PDF document text
  • http://gagutp.com/sa_upload/userfiles/file/20210703013801.pdfIn PDF document text
  • http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076eb8546847---zemabubitamel.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608026002a32c---90592146112.pdfIn PDF document text
  • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b22b8ba23---42244980129.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/4kvbckhouu23rm3tpm576dol55/84813131522.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/a756b14855a71f8a7b95228cd2400ffb/10659628266.pdfIn PDF document text
  • http://quimis.org/js/ckfinder/userfiles/files/51336674477.pdfIn PDF document text
  • https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/fldv6d708i4edn8dmc46dj76i7/bajewokosukawimeronasuz.pdfIn PDF document text
  • http://irk-yoga.ru/upload/files/43798649045.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/75b2d00a1ac68b8801aaa72bca03673e/jumevaxawov.pdfIn PDF document text
  • https://nakatarikaszel.pl/app/webroot/userfiles/file/lojowiruja.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1607c79f00abd5---10984067191.pdfIn PDF document text
  • https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/6656a470794a976a269d48a89e8184df/xigajitiloku.pdfIn PDF document text
  • http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/12922661884.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=c%C3%A1ch+t%C3%A1ch+trang+trong+file+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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