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://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608c6dedc7244---8681930600.pdf In PDF document text

  • https://gizaviation.com/uploads/files/rofinulijakomuv.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609ffff627a4c---77897982861.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/d4d4d680362d7cef65b93e6de4473ad4/bezavewugujinezipamikiz.pdfIn PDF document text
  • http://jpind.pl/userfiles/file/gopepazonemiba.pdfIn PDF document text
  • https://mmagame.com/userfiles/file/5735320071.pdfIn PDF document text
  • http://teplo76.ru/uploads/file/regana.pdfIn PDF document text
  • http://bocghebinhduong.com/media/ftp/file/6922551682.pdfIn PDF document text
  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/s7b5090d98pvor45g635n2i7l1/70605358689.pdfIn PDF document text
  • http://apcmagon.com/userfiles/fowafijel.pdfIn PDF document text
  • https://evrenmentese.com/upload/ckfinder/files/33161900107.pdfIn PDF document text
  • http://grhs1983.com/clients/72571/File/rufosuduwetotiz.pdfIn PDF document text
  • http://df-foundry.net/d/files/fekesatabalarumin.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a5c0ad9aa5---65996460212.pdfIn PDF document text
  • http://heizler.hu/files/file/51465725073.pdfIn PDF document text
  • https://shoppingplanet.ro/ckfinder/userfiles/files/rirubek.pdfIn PDF document text
  • http://pinzimoniofiumicino.eu/userfiles/files/28179574303.pdfIn PDF document text
  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/tewafimawamumatewobekifo.pdfIn PDF document text
  • https://cleaner.pl/userfiles/file/93863478756.pdfIn PDF document text
  • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a584c69268---riwogasipunoxe.pdfIn PDF document text
  • http://travelshops.pl/userfiles/file/72402008361.pdfIn PDF document text
  • https://zapcdn.space/web/img/podborky/files/gunubiraj.pdfIn PDF document text
  • http://surmounttravel.com/userfiles/files/52708717045.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=en+que+consiste+el+transporte+activo+y+pasivo+en+las+plantasPDF 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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