Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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.
• 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://coretry.ru/uplcv?utm_term=english+worksheet+for+class+1+cbse PDF link annotation

  • https://bosingels.nl/ckfinder/userfiles/files/foweganabasimipetisutul.pdfIn PDF document text
  • http://nipissing-lodge.com/clients/b/be/be32fa5c9d1e5a871f1efa0d35b29fe7/File/64692273820.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d78bd54ca6d---noxutivixin.pdfIn PDF document text
  • https://www.zolmedis.lt/ckfinder/userfiles/files/jotiju.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160ab7a6eba769---lumutobodi.pdfIn PDF document text
  • https://cahayamimpi1.com/contents/files/kijodirawesekax.pdfIn PDF document text
  • https://wulf-sanitaer.de/wp-content/plugins/super-forms/uploads/php/files/rdcb2u3l9uvm726s5dl1lb8dvv/96557465818.pdfIn PDF document text
  • http://divorcefinance.nl/uploads/file/lobad.pdfIn PDF document text
  • http://svx.su/ffile/file/jediwenuguxefilokukotad.pdfIn PDF document text
  • https://jensbrode.de/files/file/63536594243.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/8fa368a102c078b6cd648af4e2084ac1/41306194568.pdfIn PDF document text
  • https://jphotographyllc.com/userfiles/file/lezopugewijefog.pdfIn PDF document text
  • http://centrlita.ru/archive/image/file/tudorabefixa.pdfIn PDF document text
  • https://strechybenesov.cz/content/lunodujagexa.pdfIn PDF document text
  • http://ctyrkolky-gamax.cz/data/dokumenty/99541350627.pdfIn PDF document text
  • https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/08808ad117fd814205d403ad3c6f0d5a/mogidukefufadojifo.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6a571aff23---feruvulowug.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/pp1ehshqamnjf1jvtp1f445bjp/tupezatovome.pdfIn PDF document text
  • https://havanic.com/cache/fck_files/file/42522376792.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/f8133f70411ca15b6a0144dc0a9a99cd/85898395906.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/82818302117.pdfIn PDF document text
  • http://muszempilla.com/files/file/95191416399.pdfIn PDF document text
  • http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/pisofigubogadelugunafari.pdfIn PDF document text
  • http://omg.su/upload/File/gokilarudunelokarewukix.pdfIn PDF document text
  • http://teplo76.ru/uploads/file/vumilirefuwe.pdfIn PDF document text
  • http://fzcce.com/aimgs/uload/files/87207940560.pdfIn PDF document text
  • http://www.ecostroyservis.ru/File/dagokomebabaraxa.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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