Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://hopadive.cz/ckfinder/userfiles/files/pukovamufobok.pdf In PDF document text

  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/330f544dea5769dbdc9b8be7d4db12d4/52334957140.pdfIn PDF document text
  • http://dallapietamarchisio.it/userfiles/files/lulupul.pdfIn PDF document text
  • https://mgs-on-track.com/uploads/misc/files/tonagunixivoleg.pdfIn PDF document text
  • https://sibois.eu/userfiles/file/jabixukawoto.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/1065de0af3839e3d1cf577c9adcc7065/20395133524.pdfIn PDF document text
  • https://leo-translate.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160961f9c610d3---35274149961.pdfIn PDF document text
  • http://robertoantoniz.com/resources/original/file/50408157381.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160bf0615123d2---puwosel.pdfIn PDF document text
  • https://krassimirtaskov.com/userfiles/files/73814256719.pdfIn PDF document text
  • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf18d1bcea0---43302498068.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/5jd8mnihsi88tbr4rhcs5qe7j3/42380863044.pdfIn PDF document text
  • https://clubberia.com/js/ckfinder/userfiles/files/22835541844.pdfIn PDF document text
  • https://prairieroseclothiers.com/FCKeditor/file/59440740919.pdfIn PDF document text
  • http://kammerchor-lindau.com/file/40802272885.pdfIn PDF document text
  • http://apexnepaltravel.com/userfiles/file/rojabanaxadepexoduwi.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16093d2062847b---44778934021.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/js50lptstaqjhigdl8rlg37053/79738486334.pdfIn PDF document text
  • http://ritadas.in/userfiles/file/13455600387.pdfIn PDF document text
  • http://cn-junsheng.com/upload/file///202172204278069.pdfIn PDF document text
  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/27fa4494f6a561ec87b75990689ed158/38117313135.pdfIn PDF document text
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607a0ba71af37---66625863952.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b3ddc947b4d---nigitotijanowozo.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bc82a0ae84e---91894606077.pdfIn PDF document text
  • http://haphadoor.com/upload/files/46907511429.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=lexicografia+pdf+marco+aurelioPDF 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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