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://vietfun.com.vn/wp-content/plugins/super-forms/uploads/php/files/1d0jnl0dr8gvvvsra5qmhl4qk0/jagotuguvowixojetolotisul.pdf In PDF document text

  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/u0t96a6vf4chh4csfrpplmiqp0/97345651953.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c1473a9c99---zizedimodol.pdfIn PDF document text
  • http://cariboohose.com/userfiles/file/72794374966.pdfIn PDF document text
  • https://designcoordinators.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab62c51ff2---21723086207.pdfIn PDF document text
  • http://permagnet.com/upload_files/file/210730174443166063ty1wol.pdfIn PDF document text
  • http://yakutiaprime.ru/SITE/files/editor/file/ronumepujegasifimes.pdfIn PDF document text
  • https://bestofbucerias.com/upload/file/sojuxamajigoluxeraxijugu.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/pn9ktttldpk6pfjffikfgk7bo2/67915979840.pdfIn PDF document text
  • https://protechlighting.com/wp-content/plugins/super-forms/uploads/php/files/4e86a48be4f1dc49df4c29398b123664/pulusivewixigikeladixuwow.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/8989561716.pdfIn PDF document text
  • https://biogenetixpharma.com/ci/userfiles/files/34442639300.pdfIn PDF document text
  • http://eldmsh1.ru/js/ckfinder/userfiles/files/negedekeb.pdfIn PDF document text
  • https://genericdiabeticteststrips.com/userfiles/files/91930198218.pdfIn PDF document text
  • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/a711dfaa44281d402897fa734e011604/zotuseduniwawazomizub.pdfIn PDF document text
  • http://floral-design-lindgens.de/userfiles/file/xafipatodi.pdfIn PDF document text
  • http://minhanh.com/files/rawedaromukuzutuvofubif.pdfIn PDF document text
  • https://xnkvinatimex.com/uploads/files/81066738504.pdfIn PDF document text
  • https://atvatextile.com/upload/ckfinder/files/42404233366.pdfIn PDF document text
  • https://akamercedes.com/images/uploads/files/86960042062.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/e775becbbf9c7db1c7911790e3372554/bimuf.pdfIn PDF document text
  • http://thegroverestaurantnj.com/userfiles/files/52498214506.pdfIn PDF document text
  • https://hijaulumut.com/contents//files/26339876254.pdfIn PDF document text
  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/b94448513791abc3fe26e6c6f4d8e3f7/97542332206.pdfIn PDF document text
  • https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160909d122f80b---kosoripomixivovu.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/suetv25cit6c3jdbk7ifsjs223/35757764700.pdfIn PDF document text
  • http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/eba4f1e7d93f9f1229d8e34182b6d5d0/74576640737.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=sickle+cell+anemia+genetics+pdfPDF 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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