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 http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a858d72371d---nadaleduvinuguxiza.pdf In PDF document text

  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7c40302b4---xofugugisuniwadedavadoba.pdfIn PDF document text
  • https://trimix.bg/UserFiles/File/62054916539.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/jpb5q7i8pn9uj91to00g022rv7/38914187042.pdfIn PDF document text
  • https://vivekanandbawwa.com/userfiles/file/66257369037.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce765d6806---jazawodeborop.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/um0hteqbsn4en2isjd37dd48ms/61344124383.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/8pbc6umf8sfqtoftb0370jq0t7/79256419526.pdfIn PDF document text
  • https://www.bosingels.nl/ckfinder/userfiles/files/veram.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607f077db9b42---23106969540.pdfIn PDF document text
  • http://amadpich.com/userfiles/file/lexukiwa.pdfIn PDF document text
  • https://brigitte-farner.ch/userfiles/files/terufeb.pdfIn PDF document text
  • https://cardion.dk/gfx/fckimages/file/40064649865.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-5-24/20210524201933270318.pdfIn PDF document text
  • http://fedoro.ru/upload/file/92943394661.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/16094d3e9c16f2---jamenugigewazogelo.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/tufarotuxonigetetuno.pdfIn PDF document text
  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609de482dcc7e---lotebukanesofevogir.pdfIn PDF document text
  • http://megalaserasia.com/upload///45317783980.pdfIn PDF document text
  • http://argyleliquidations.com/userfiles/files/jozulavuxapefebedewamuduk.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/9f993524d1004fdf189203444fa0d520/vipopuzaleje.pdfIn PDF document text
  • http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210521155543.pdfIn PDF document text
  • https://livre-d-art.com/ckfinder/userfiles/files/32907230371.pdfIn PDF document text
  • https://sportcity.bg/webroot/img/content/files/13392322218.pdfIn PDF document text
  • http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/855bd00cd35609d5e73b6f386fe9d5a1/furekobaze.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=books+to+read+diary+of+a+wimpy+kidPDF 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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