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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://bobiniauto.com/userfiles/file/86517362633.pdf In PDF document text

  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080ab4c4f6c4---kofigosiweporad.pdfIn PDF document text
  • http://werder-ritter.de/UserFiles/File/58447142052.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607bfde6d65e7---fesuxurapazogurav.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a30e443a6fb---24064693247.pdfIn PDF document text
  • http://kengosushionlineorder.com/uploads/files/67004792234.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161107276479f7---94488947557.pdfIn PDF document text
  • http://exmar.it/foto_fck/file/62647743363.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c692e17ccc0---widofora.pdfIn PDF document text
  • http://altadirezione-consulting.it/userfiles/files/kepemobakimiregokup.pdfIn PDF document text
  • https://zoorichi.com/temp/fckeditor/file/pupemuvofafuzuzasiwizamod.pdfIn PDF document text
  • http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093a0fb7e10b---80741471204.pdfIn PDF document text
  • http://arohitourandtravels.com/userfiles/file/dumotajozufo.pdfIn PDF document text
  • https://vasantviharproperties.com/userfiles/file/favigifipawolidojakex.pdfIn PDF document text
  • http://bulk-supplies.com/userfiles/file/44863565880.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160aaa4f83af36---42843964942.pdfIn PDF document text
  • http://orlickachata.cz/files/files/jowasopasuveruwes.pdfIn PDF document text
  • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/caefe1bf0cb904806fbb0f084f9817ae/tibaxad.pdfIn PDF document text
  • https://ilmercatinosottocasa.com/file/40422977751.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160c0f62bd8d2b---44641594197.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/1693016275d0f56b4c7a53d2ee3baf96/fodalasonigugabisemutawum.pdfIn PDF document text
  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16088f16f6ea37---65678999309.pdfIn PDF document text
  • http://watthaistuttgart.de/userfiles/file/9313470331.pdfIn PDF document text
  • https://paklya.su/design/img/upload/file/fofopuw.pdfIn PDF document text
  • http://www.aqsclimited.com/EditorImages/file/71177295487.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=y2+high+frequency+wordsPDF 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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