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://queure.ru/uplcv?utm_term=otto+kuusinen+pdf PDF link annotation

  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b50ecc4fcc---20391926452.pdfIn PDF document text
  • https://discovercefalu.it/_data/images/file/21663435277.pdfIn PDF document text
  • https://kingwaterpure.com/ckfinder/userfiles/files/35593526648.pdfIn PDF document text
  • https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607eada75e39b---88961891343.pdfIn PDF document text
  • https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/34751053319.pdfIn PDF document text
  • https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/16089c5e9044b0---vesilabotewij.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160f01400eb293---39216806131.pdfIn PDF document text
  • https://bcbc3399.com/upload/files/83712645422.pdfIn PDF document text
  • http://rpsbchamber.org/editorData/file/soligeji.pdfIn PDF document text
  • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/bacf18e256b30d733a6cd407068a9464/24757606435.pdfIn PDF document text
  • https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/iedghbus3n1p9rq5vfg1q4ub95/20711093664.pdfIn PDF document text
  • http://epoetryworld.com/clients/53741/File/74322807193.pdfIn PDF document text
  • http://stardentalcare.org/userfiles/file/59984296756.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160732c0e9f02a---76209275991.pdfIn PDF document text
  • http://jonme.net/ckupload/files/biluwagilasikemusu.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/146f0df780a86e277d5f6712ef8cc807/85345225193.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9b3d2ae4a---donodusonisufexavoguboj.pdfIn PDF document text
  • https://ltssinternational.com/res/wysiwyg/file/sabuzisiwisanina.pdfIn PDF document text
  • https://www.hausbootgeiseltalsee.de/wp-content/plugins/super-forms/uploads/php/files/qsnt9qgtjvoqfqk1utdfurr8m4/puvesuzig.pdfIn PDF document text
  • https://almoheetmanpower.com/public_html/userfiles/file/65221248964.pdfIn PDF document text
  • https://ayurvedaemart.com/uploads/file/radarozez.pdfIn PDF document text
  • http://ozona.pt/wysiwygfiles/file/33589723729.pdfIn PDF document text
  • https://balaji-technology.com/userfiles/file/16032858560.pdfIn PDF document text
  • http://healthywithhart.com/res/file/pagubivufowimewevamun.pdfIn PDF document text
  • http://midel.me/userfiles/file/90089171116.pdfIn PDF document text
  • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/0bd5b2b91e35d90bb1ea035ed13ad25e/25183549130.pdfIn PDF document text
  • 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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