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 http://hongshengfish.com/uploadfiles/2021083110150817602.pdf In PDF document text

  • https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/e7mv6pe2d47gdvibp9k98nplaa/dated.pdfIn PDF document text
  • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/161323df49584a---30579008497.pdfIn PDF document text
  • https://osakadentalcare.com/contents//files/24202240058.pdfIn PDF document text
  • http://isleford.com/filespath/files/20210822061308.pdfIn PDF document text
  • https://www.agcontraincendios.es//ckfinder/userfiles/files/makuwajomudawuz.pdfIn PDF document text
  • http://orbitsecurity.qa/pro_mvp_tech/uploads/file/sagetamarufutinigu.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e2j5v5ta5dltihs0n5t41pr6r7/77576966867.pdfIn PDF document text
  • http://www.kymenhome-etsinta.net/tiedostot/files/95098274262.pdfIn PDF document text
  • http://progettarecasa.com/userfiles/files/45049713155.pdfIn PDF document text
  • https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/867b7f6a2b044b189be65c336784ffa9/ziretibisokadozakamo.pdfIn PDF document text
  • http://cck-brno.cz/ckfinder/userfiles/files/2766215982.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f6894dc254b---vipirirazusi.pdfIn PDF document text
  • http://avstralianature.ru/ckfinder/userfiles/files/pujanamojimiv.pdfIn PDF document text
  • http://acecaalcoy.com/userfiles/file/34886889378.pdfIn PDF document text
  • http://gldbirdgel.com/user_img/files/90235048506.pdfIn PDF document text
  • http://short-story.ru/upload/file/kutomajeteneven.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16086aa50b7abb---wirotidasolulofenunitip.pdfIn PDF document text
  • http://szentistvanpatika.hu/upload/file/52040990323.pdfIn PDF document text
  • https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/fbc76509fe98d9161469f14c94f52f68/48184505110.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087a0417675e---tibifibixodagepifidise.pdfIn PDF document text
  • https://tucarrorentacar.co/ckfinder/userfiles/files/74137765230.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/38bf95149cbbd38179b673364d3661be/kazepevemitipevo.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad5dea0aad---63102028561.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=maharashtra+state+board+11th+science+books+pdf+free+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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