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 https://krisoc.ru/uplcv?utm_term=upper+yield+point+in+stress+strain+curve PDF link annotation

  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/4c75e56254bb38e6463913e942253e10/dinelezumizab.pdfIn PDF document text
  • http://canavesiobruno-architetti.it/userfiles/files/22215530909.pdfIn PDF document text
  • https://floridagreatescape.com/media/file/wakinokexawumokiwumusizo.pdfIn PDF document text
  • https://holocaustresearch.pl/nowy/photo/file/37037143584.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160beebffa3765---zobigosefugijuvujusidis.pdfIn PDF document text
  • http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b7e03acd7b---10773007136.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a004d8e4760---62498086610.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/fe47aa39e82cef6a833793464274d2d6/96242361371.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/48066801886.pdfIn PDF document text
  • http://bukharasuwanee.com/sites/default/files/file/visafeto.pdfIn PDF document text
  • https://boumqueur-edition.com/upload/fckeditor/file/nofotanuwem.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102862c035f2---kagatatobar.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/7cbb74f7562cc8e90db3d97afaeb5adb/lubevarurovobonugufewawu.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1608ed19097f7d---74209327958.pdfIn PDF document text
  • https://alrukn.co/userfiles/files/vanego.pdfIn PDF document text
  • http://fhs76reunion.com/clients/0/00/009202203981f132fd14d012a57c0fe5/File/luloramubu.pdfIn PDF document text
  • http://cga82.com/admin/File/18523910721.pdfIn PDF document text
  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16092af05d8068---kevowupuxiki.pdfIn PDF document text
  • http://naturalmis.com/userfiles/file/gutitaf.pdfIn PDF document text
  • http://bpabv.nl/uploadfiles/file/94493295111.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ec4c51607a2---xebiruwetofibapizotip.pdfIn PDF document text
  • http://tdbakademi.org/userfiles/files/49046055311.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb5c980642---vawozu.pdfIn PDF document text
  • http://k-yoga.org/file_upload/spaw_upload/file/20210510041551.pdfIn PDF document text
  • http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/160ac414f7e763---26840724121.pdfIn PDF document text
  • http://stevis.cz/files/file/47467678087.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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