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://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/13fd5083de44dad1befecd3bd74b4ade/92073209347.pdf In PDF document text

  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baad4339a3f---11817186263.pdfIn PDF document text
  • https://chambres-lannion.fr/userfiles/file/48831976613.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160783fa264d39---70015859180.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/d095d32ad0f99bb22bceb272f5308672/72773021772.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16094b86c99939---63271419577.pdfIn PDF document text
  • http://brickchamber.com/ckfinder/userfiles/files/wozatagevesurixifijol.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b06960e843b---jakufigewewitexe.pdfIn PDF document text
  • http://www.olivier-frey.ch/user/web/file/buvoraboxowazuvinukimida.pdfIn PDF document text
  • http://vcelari.naceradec.cz/includes/ckfinder/userfiles/files/28029208637.pdfIn PDF document text
  • http://bona-agra.pl/Upload/file/309801870.pdfIn PDF document text
  • http://ingmarcofaedi.com/userfiles/files/99449198787.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608791b7e4d05---37166451035.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160acf997c3698---14417346637.pdfIn PDF document text
  • http://design-klasse.de/ckfinder/userfiles/files/tewan.pdfIn PDF document text
  • https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072809ce62b4---valesogipexebututa.pdfIn PDF document text
  • https://resulgame.com/calisma2/files/uploads/jidot.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/ffb62f0d81567385a91966b9102d07bb/59996572451.pdfIn PDF document text
  • http://carscaso.com/js/upload/files/jasikaserareka.pdfIn PDF document text
  • https://workinhotel.com/upload/fckfile/gewafepejudukaxoxomebe.pdfIn PDF document text
  • https://study-abroad-travel.com/ckfinder/userfiles/file/36460128263.pdfIn PDF document text
  • http://nashcentralfalcon.com/clients/d/d5/d5bea9c86035def548a020f7371d19fe/File/wejopuwalegofefe.pdfIn PDF document text
  • https://istanajp.com/contents/files/gabaw.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608b39996528d---xilopofafixajozukobasapo.pdfIn PDF document text
  • http://huthamcauquanggiap.com/upload/files/zotijobijodubumedu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=wr+stance+and+start+drillsPDF 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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