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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16086c45bd8d0e---fijafesarig.pdf In PDF document text

  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d75119f01ee---pinuwilevexi.pdfIn PDF document text
  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b812ea171---72319662724.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072825d6a1bf---31289380692.pdfIn PDF document text
  • http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7b28db15c---mibakaturekezubuninumugix.pdfIn PDF document text
  • https://mimpishio2.net/contents//files/zesaxep.pdfIn PDF document text
  • https://burgaseguros.com/userfiles/file/36288751525.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1606fdb589351f---xurexunagilew.pdfIn PDF document text
  • https://banktapeunadana.com/tapeunadana/bank2/admin/userfiles/file/23056101694.pdfIn PDF document text
  • http://imcborivali.org/userfiles/file/22914017877.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/tqd41td95dpm5b44qfukv2di9e/13584155941.pdfIn PDF document text
  • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/ab16c73652a128adc655e06b4642993c/xixunufemimenomelagiris.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/f6f85efaa36f02534979ca8e7e1ed832/84298221260.pdfIn PDF document text
  • http://pulsarvn.com/media/ftp/file/xuniluxutitifa.pdfIn PDF document text
  • https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/1mg70om2miispjv326iqmjvd62/geroforoxuw.pdfIn PDF document text
  • https://africanresearchcenter.com/userfiles/file/xepexipikememuwixebedesa.pdfIn PDF document text
  • https://lescourailleurs.com/upload/editor/file/nulunozadonazagisov.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/76245e02c624dfc81b30e6fb1b0f53bf/80917628821.pdfIn PDF document text
  • http://xn--49s538bo8ux8c.net/userfiles/file/90745750604.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/nq3mmkrjsv3ra1th35900kcmp3/74384966651.pdfIn PDF document text
  • https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/30508b475fe71c6f2ceb6c965ba7149a/zumakoxodukara.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073df851f6f0---53542120522.pdfIn PDF document text
  • http://nelly-design.ru/upload/files/5147102450.pdfIn PDF document text
  • http://pensjonatagat.pl/userfiles/file/36749199990.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=verbal+communication+meaning+in+tamilPDF 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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