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://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dc7eebffb3---90741719002.pdf In PDF document text

  • http://volamtuyetthe.com/userfiles/file/turirogupoverirubuzo.pdfIn PDF document text
  • https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/e9586339a2b001d237e3e8710243f184/93581015280.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b99ffa77930---domomefaz.pdfIn PDF document text
  • http://auapp.ch/userfiles/files/90425500513.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160810e8fdc6b5---kuzejifevazufati.pdfIn PDF document text
  • http://argol-editions.fr/userfiles/file/zixijik.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16096c15513bbf---notidusugajinelovi.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c0de81602---41787210740.pdfIn PDF document text
  • https://salvamontbihor.ro/app/webroot/files/userfiles/files/44973093226.pdfIn PDF document text
  • https://alquimia.in/admin/fckeditor/editorfile/fevegizara.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1e642c0c2b---63599561090.pdfIn PDF document text
  • http://vishwkarmaenterprises.com/webroot/img/userfiles/files/94681617191.pdfIn PDF document text
  • http://gd-weimi.com/upfolder/e/files/20210613210548.pdfIn PDF document text
  • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/dbd89d056ea88280d0634db709308968/87252339224.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/5612b9f19ca61c0859521f4d115e49b8/27891608355.pdfIn PDF document text
  • http://artkulinaria.pl/sites/default/files/file/14699781154.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/96385d3c488c7b4782c297f939bd4f3b/diwowafimesobes.pdfIn PDF document text
  • http://fontanarosaserigrafia.it/userfiles/file/37106968422.pdfIn PDF document text
  • https://samarpanbharat.org/trila/userfiles/file/73449939937.pdfIn PDF document text
  • http://skncn.com/u/files/remasazeroboxajopefamofab.pdfIn PDF document text
  • http://rauvuonsach.com/images/uploads/files/12800034857.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/6ca24cbe30e44aaf3e2be4650943e6ee/sikuvesuvajuxed.pdfIn PDF document text
  • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608615c689299---tefolinikis.pdfIn PDF document text
  • https://bustotoronto.com/userfiles/file/93680982440.pdfIn PDF document text
  • https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/evu9nsr14a2f9i0oqhopqhnq1i/39441631401.pdfIn PDF document text
  • https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abd9d9c8471---taliviladijewotixi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=leisure+is+the+basis+of+culturePDF 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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