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.
• 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://chcial.ru/uplcv?utm_term=ncert+class+9+science+chapter+8+pdf PDF link annotation

  • https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/vp9qj22ou1eifo12ugl926118g/divifovogirujikegogasobak.pdfIn PDF document text
  • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/0krscc2ma6nm0718rb5kk1aedl/53208275728.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16077213dbfa45---wefobujin.pdfIn PDF document text
  • https://clubsecurite.fr/webroot/upload/files/15437572184.pdfIn PDF document text
  • https://summit-christian-academy.org/scauserfiles/files/12298059422.pdfIn PDF document text
  • http://joelcsimonesq.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/64169656101.pdfIn PDF document text
  • http://esejsc.com/upload/files/rixipok.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/96365604690.pdfIn PDF document text
  • https://ph789.com/pinhsuan/files/file/nifijime.pdfIn PDF document text
  • http://tiyuchangdi.com/upload_files/files/20210821_021432.pdfIn PDF document text
  • https://reparationmobile.net/userfiles/file/timurebaraxugivavinumeba.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160895b371040d---37762201184.pdfIn PDF document text
  • https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/e5ebb8c30eb013abb86846234200d8e2/zogizavumaj.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607d60503554b---40650319938.pdfIn PDF document text
  • https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/1v8iu2gc5k5qo4inue0rivdod7/50574017938.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/kfo01l6e28483r0ju4jl9l55hn/35736115077.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/5892ef0aa9e39e3517521e8a9eb4fc17/wiwulonoseta.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b17e5c4a27---lasaf.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608bc4f571a09---57604953532.pdfIn PDF document text
  • http://gdaniec.com/upload/files/28948803507.pdfIn PDF document text
  • https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/16088fa2f97f41---81988685158.pdfIn PDF document text
  • http://beverleyannes.net/home/beverley/public_html/ckfinder/userfiles/files/93315586923.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/fce4b0a748d24b8d54ef6454771e62c0/70143146094.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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