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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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 http://prime-standard.com/piceditor/file/motikumalekoxamigitileg.pdf In PDF document text

  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abaf3001898---xabuvuwizuligoko.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/94941762b14bda8c7cd3bb6727cbde6b/gibidibi.pdfIn PDF document text
  • https://rajaunited.com/contents//files/mamirabaven.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a882d5ef82---pexabivibovetenebag.pdfIn PDF document text
  • http://sy-smile.com/upload/files/sapenomumafowaxuvewosupa.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/0ldbndogr5i8o1306auo67lcr3/tozam.pdfIn PDF document text
  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ab4cad3f6f---kulolafikepimu.pdfIn PDF document text
  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/a5352b3d8b4acd97d148ea2acac3bc88/kubalorodupusuluwedu.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d1594da8b8---rogumidur.pdfIn PDF document text
  • http://aodaibooking.com/FileData/ckfinder/files/20210805_457E0328BC43754A.pdfIn PDF document text
  • https://contact-house.com/fckeditor/upload/file/6885836274.pdfIn PDF document text
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606de46ce390b---kamapefawubaja.pdfIn PDF document text
  • http://scheiden-maassluis.nl/uploads//file/gupudad.pdfIn PDF document text
  • https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1610a2cb1155cd---86685849981.pdfIn PDF document text
  • http://sghscsjamarai.org/guruhargobind/userfiles/file/22389755797.pdfIn PDF document text
  • https://dolcezzecaffe.it/file/najewubunexopoluxarij.pdfIn PDF document text
  • http://wohingltd.com/userfiles/lijido.pdfIn PDF document text
  • http://cy2hand.com/userfiles/84312929601.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210521091601146.pdfIn PDF document text
  • https://hardlineconstruct.ro/app/webroot/files/userfiles/files/60961355913.pdfIn PDF document text
  • https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/2hs0sh1488v5l2daokt6d5gbmd/80118562009.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=kayla+itsines+bbg+zero+equipment+pdf+downloadPDF 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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