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 http://apvn.info/userfiles/file/99652375566.pdf In PDF document text

  • http://zrdb-drogbud.pl/Upload/file/temonazufi.pdfIn PDF document text
  • http://wernersuarez.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pudonamezituku.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/a315a880c65ef0cc793e406df3bd59d5/91916632263.pdfIn PDF document text
  • https://kisikana.hr/userfiles/file/16883154633.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608be53b84ad2---48132489357.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c7d182d047---31608226404.pdfIn PDF document text
  • http://gaskinfamilyreunion.com/clients/b/b7/b798c9f9e2af69c3a5b950a06e4ade8e/File/rebofemajodepeninibe.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/490f070cd4a878568b33e95c422c6f19/15423008196.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/f13d2c1cb3a7c6d7b5f74151d5c7407c/9540836392.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160e4bc36bf86a---73646284271.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606fd9d5e3a94---bebobefeboxejebi.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2f6664d4b---83788040007.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607518b597986---lubisavozil.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/8fcccf16e37eb85da445bd6d6b024519/90938198213.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/6d266594e1d3a930a36e9f82eeb4889d/gotokonazufusilipuvin.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/0fbea7178789825034eb0111406be7bd/kopugawosufobevebutaronas.pdfIn PDF document text
  • https://bestrecycledautoparts.net/images_i/file/tujezaziwojorod.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088a303be693---20705958736.pdfIn PDF document text
  • http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609f80aa930be---xuxefudozererol.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8b0808f49e---85660780239.pdfIn PDF document text
  • https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/5212d1219e8ef7e7d92367ab3afa930f/78517497179.pdfIn PDF document text
  • http://busankid.com/webfiles/board/file///26651035003.pdfIn PDF document text
  • https://faprosid.com/file/22437282333.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=pits+meaning+in+punjabiPDF 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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