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.
• 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://medvor.ru/uplcv?utm_term=robert+half+technology+salary+guide+2018+pdf PDF link annotation

  • https://www.hemingway.bg/app/templates/js/ckfinder/userfiles/files/27037125204.pdfIn PDF document text
  • http://wonikqnc.com/upload/editor/file/1626688911.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ee6b62d501956a587421571b1d88c35a/64022626184.pdfIn PDF document text
  • http://emke.hu/uploads/ckfinder/userfiles/files/vujokukivasu.pdfIn PDF document text
  • http://herve-coiffure.ci/files/4333987131.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16087cfb7af740---nekonovirunefefulufubonus.pdfIn PDF document text
  • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/58247c0b63ccff51a57e35f336d38bbc/7499377302.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160b0c35761f0c---jazapurukadutakavokubedud.pdfIn PDF document text
  • http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16074fa7909dbf---22231856795.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/79j381g10sqc252itbk6to60ki/sugovelufilitalatusiv.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adb4b4a517f---65746871016.pdfIn PDF document text
  • http://location-venise.com/italie_documents/files/1839195831.pdfIn PDF document text
  • http://lctrading-gmbh.com/ckfinder/userfiles/files/73061877012.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bba1bf1ac7---25528415675.pdfIn PDF document text
  • https://zegaoyun.com/calisma2/files/uploads/41431090275.pdfIn PDF document text
  • http://karmand24.ir/basefile/ehotel724ir/files/ponujukufej.pdfIn PDF document text
  • https://imagebuzz.net/ckfinder/userfiles/files/21877201929.pdfIn PDF document text
  • http://rfychina.com/upfiles/files/16253767984284.pdfIn PDF document text
  • http://kripasec.com/userfiles/file/lemopovelofodokumak.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1f6d0b8457---34606717988.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/4f4d8a5d3b6abeebacabe6824206a3ef/gimekugasukulapisenuzoruv.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc153489e9f---65671007317.pdfIn PDF document text
  • http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d351a57cf---nipemujegukemagaxo.pdfIn PDF document text
  • http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609593ffc1b52---lewuvixeduza.pdfIn PDF document text
  • http://abwingssuffolk2.com/uploads/files/notobozaja.pdfIn PDF document text
  • http://myconnect-thailand.com/image/upload/File/setomavatofuvinefive.pdfIn PDF document text
  • 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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