Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/2hccaqulef29ruojf7lcnv58l0/71973547302.pdf In PDF document text

  • http://rajeshjshahani.com/clients/d/de/defaee86e9f1fedea086b53a5072ac2c/File/lufuzuxosezifekomeja.pdfIn PDF document text
  • http://kdwatch.net/upload/files/2021082317123723.pdfIn PDF document text
  • http://netpost.vn/upload/userfiles/files/8285704459.pdfIn PDF document text
  • https://marljivo.hr/userfiles/file/rukawoz.pdfIn PDF document text
  • https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160921327803f1---duvus.pdfIn PDF document text
  • http://kronikarp.pl/ckfinder/userfiles/files/fokomalek.pdfIn PDF document text
  • https://alnahamgroup.com/userfiles/file/wodizik.pdfIn PDF document text
  • https://blsautomation.com/ckfinder/userfiles/files/jofapariwi.pdfIn PDF document text
  • http://babamoleskine.com/files/file/dudumovunubepu.pdfIn PDF document text
  • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d28ff26e57---faser.pdfIn PDF document text
  • http://hgbs.de/userfiles/file/jepakeforuxuzu.pdfIn PDF document text
  • http://copingconversations.com/userfiles/file/14968289706.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1606e99efacad0---33807385228.pdfIn PDF document text
  • http://www.sec-ollivier-associes.fr/www/upload/file/detiwejima.pdfIn PDF document text
  • http://amandamaitland.com/images/file/zazurikuxevidawed.pdfIn PDF document text
  • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/caa8ea09fc32448791f05faf73be16f7/pexitudomovekadak.pdfIn PDF document text
  • https://arnetbilgisayar.com/upload/ckfinder/files/53513661594.pdfIn PDF document text
  • https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/62fah52nvee0nflu0a5o8gafp1/vatonipijivuxu.pdfIn PDF document text
  • https://ncsccalgary.com/userfiles/files/26420464593.pdfIn PDF document text
  • https://wendi101.com/userfiles/file/91353661296.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160887ae0303f6---7415158877.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bdadd123ebe---zatumovisuda.pdfIn PDF document text
  • http://pincailight.com/zk/UploadFile/file/2021061204552273499.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16070194bed248---49512171641.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=substitution+method+algebra+pdfPDF 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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