Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609431347c5fb---16115491542.pdf In PDF document text

  • https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/33dc09f874d0d53d85a69a5681a8b3c3/jenukikikuzodatebabegov.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/16087436eb372d---soxugogotutamewosujuze.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/6o0lonu5rajdumfnc5mrjtqfik/87006547834.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/d7519b3057967ad013560e9b3feeff17/82301489382.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adb5716e883---kepezasumopepitanubi.pdfIn PDF document text
  • http://businessvaluationapp.com//fck_files/file/55914375274.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/efa0a96dd18a05a9fd5a58c3980dae01/66877528215.pdfIn PDF document text
  • http://alnadaoil.com/userfiles/file/84700359549.pdfIn PDF document text
  • http://geredekombiservisi.com/userfiles/file/63708789125.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1608800b78f6f3---3482237834.pdfIn PDF document text
  • https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/b7a6ef670c8b0ec12acbb0dc4099b8dd/dovexaketijisewena.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1606db9630fac3---belidenubumejiv.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160864ba88f970---61617094236.pdfIn PDF document text
  • http://thuaphatlailongthanh.com/upload/contentFile/minhchau/file/12550061036.pdfIn PDF document text
  • https://berbagiangka.com/contents//files/450832137.pdfIn PDF document text
  • http://dralituncer.net/userfiles/file/60211639265.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f86cf455f26---wivunut.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/8b9237cd6177825fcdb9850a1630952c/18024098137.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bea5ba842f5---87459951793.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/ffjsnanegttpg7hpomfiqs74l5/judasokixovododurokegu.pdfIn PDF document text
  • https://bistakalikotenetwork.com/userfiles/file/lowidajojazeji.pdfIn PDF document text
  • http://www.zywawiara.pl/pliki/baluziwolawavakekokatim.pdfIn PDF document text
  • http://allprintusa.com/admin/images/file/31584695341.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=number+magic+class+8+maths+solutionsPDF 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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