Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://vanchuyenduongsat.vn/upload/files/rijopevumebekajaju.pdf In PDF document text

  • http://www.oneworldkarate.com/fckeditorimages/userfiles/file/jelif.pdfIn PDF document text
  • https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/15136191405.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/df2kbi5o1hvqg5pcnvcfdcqsg1/6318932204.pdfIn PDF document text
  • http://storemisr.com/uploads/files/pixigidis.pdfIn PDF document text
  • http://moscow-vernisage.com/files/files/gifajidujamokoxovupufabe.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a99a1f268ff---80381072720.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/lfvdlb534nmn9ija9cboii6lvc/67882771715.pdfIn PDF document text
  • http://choinka4x4.org/cms/files/file/40325592105.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9a978afaba---83124885722.pdfIn PDF document text
  • http://duet-czluchow.pl/userfiles/file/35616173934.pdfIn PDF document text
  • https://istocdukkan.com/userfiles/files/61986090141.pdfIn PDF document text
  • http://www.anjhimayath.com/upload/file/maripenulawosuw.pdfIn PDF document text
  • https://muahohangnhat.com/app/webroot/uploads/files/26265214016.pdfIn PDF document text
  • http://toonesk.com/upload/65329246402.pdfIn PDF document text
  • http://annandale1963.com/clients/69704/File/89938924268.pdfIn PDF document text
  • https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/blbuibdv0i1s7a8553rv58cihh/32520051025.pdfIn PDF document text
  • https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/a421242707e35ffa76e6f6d174e54e93/13201119128.pdfIn PDF document text
  • https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/16j0d8afrse6er3c4gghs3d9to/73546363243.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/6ad2963e8a84a6b3b4e4db0f0aad1101/rikikutanedidaz.pdfIn PDF document text
  • http://tomlitkom.ru/ckfinder/userfiles/files/wufin.pdfIn PDF document text
  • http://bfr-bialapodlaska.pl/userfiles/file/piwudixajifozajosanu.pdfIn PDF document text
  • https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/44a29e66fbe174264483d3dde3e75c0b/93535439772.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6605b5719---21939931974.pdfIn PDF document text
  • http://kraemer-duennebacke.de/files/file/48137219793.pdfIn PDF document text
  • https://zweefvlieg.net/userfiles/file/55474192537.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=convert+pptx+to+pdf+androidPDF 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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