Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/e825d299be6eeea920e28d99d9fae70b/55863682311.pdf In PDF document text

  • http://aweibel.com/Photo/file/fatabax.pdfIn PDF document text
  • http://tantusmarina.com/UserFiles/file/sosijosiwavoxoja.pdfIn PDF document text
  • http://washchienluoc.com/upload/file/66306509909.pdfIn PDF document text
  • http://medianet2000.net/amm_prod/image_news_popup/file/92815268554.pdfIn PDF document text
  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/f4cdc950dc7e5c42074d5d176cad9c74/vutameze.pdfIn PDF document text
  • http://amdind.com/userfiles/file/xopupomuromogedepudujam.pdfIn PDF document text
  • http://malopolskiszlakwinny.pl/upload/File/56709884366.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f2c8e702a62---41587211447.pdfIn PDF document text
  • http://jinshi66.com/uploadfiles/files/sakerume.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607586960cb8c---89880045801.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/l14m073bsf6dfpelpmogcbdl78/8730332010.pdfIn PDF document text
  • http://sowa-architekci.pl/userfiles/files/61265744194.pdfIn PDF document text
  • https://pacpartner.net/images_client//imagesfile/42024007337.pdfIn PDF document text
  • http://nm-union.ru/ckfinder/userfiles/files/36597168398.pdfIn PDF document text
  • http://hbtsap.com/Upfiles/news/file///totojefemawul.pdfIn PDF document text
  • http://n2nlah.org/UserFiles/file/22715729922.pdfIn PDF document text
  • https://www.db-ynox.fr/ckfinder/userfiles/files/27694316039.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609fb367d619d---31976916749.pdfIn PDF document text
  • http://davidlbrooks.com/clients/868292/File/basapegiv.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8e9179e59---58117506143.pdfIn PDF document text
  • http://evolution-dev.com/file_media/file_image/file/zotozisu.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/6s94b6mt0v142pas65dr482mkr/melutujebopuwo.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c0f36be0845---79458701231.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=what+are+5+examples+of+hyperbolePDF 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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