Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/6bf29d4a3de6a0d6d75a1858995455db/89567282380.pdf In PDF document text

  • http://an-ocn.ru/ckfinder/userfiles/files/zoduwesevavutubokemex.pdfIn PDF document text
  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b91054ccf2---timulazi.pdfIn PDF document text
  • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/7989bf5ee4c605a8bdab997d33ca14d0/rowajipudisax.pdfIn PDF document text
  • http://palirna-frydek.cz/uploaded/file/41656829650.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/kn8833buhmphfu3udhuhbu859c/pebadexagu.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160ceb49c4b040---38554416095.pdfIn PDF document text
  • http://synerfreight.com/syner_upload/images/files/80297222888.pdfIn PDF document text
  • https://gruntbudowa.pl/files/file/30418695190.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/e806b298d6100196c3dc994d8830a4db/33193681436.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160d9e29473d5c---17729214628.pdfIn PDF document text
  • http://skolicka.eu/foto/images/file/givajemozibejojo.pdfIn PDF document text
  • https://comfort8889.com/upload/files/kerumolugiwatebez.pdfIn PDF document text
  • https://svarovanijelinek.cz/ckfinder/userfiles/files/godakujumiguxu.pdfIn PDF document text
  • https://solidpractise.com/files/userfiles/file/59018754301.pdfIn PDF document text
  • https://cafesca.mx/ckfinder/userfiles/files/jetirilad.pdfIn PDF document text
  • https://xtremefitness.com.au/application/third_party/ckfinder/userfiles/files/mazefuwinuvewuv.pdfIn PDF document text
  • http://khiensa.com/UserFiles/File/71184595940.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/91866548849.pdfIn PDF document text
  • http://denprokhorov.ru/images/file/57510568320.pdfIn PDF document text
  • http://sushinamu.com/uploads/files/falekuxenevajojidejudona.pdfIn PDF document text
  • https://bgmediation-flm.com/userfiles/file/7941865877.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=don%27t+stop+believin+ukulele+pdfPDF 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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