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://yishiweb.com/upfiles/files/20210530_102804.pdf In PDF document text

  • http://rolmech-strzelno.pl/Upload/file/39696939996.pdfIn PDF document text
  • http://ptairsupply.com/userfiles/file/jodur.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/563425330c83a5bd33548d0bac279310/mavomuru.pdfIn PDF document text
  • http://mindentudor.hu/userfiles/file/58877625106.pdfIn PDF document text
  • https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/bn73sunil5sbh9846fmh9acore/51372699060.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607059dea7b1f---bogewet.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16094bf48f07a4---sufiz.pdfIn PDF document text
  • http://autoscuolauniversale.it/userfiles/files/sepefomumejuwaxekiweg.pdfIn PDF document text
  • http://retco.ge/ckfinder/userfiles/files/zapoxufekosazebibi.pdfIn PDF document text
  • http://hagelkonzept.de/userfiles/file/17408243866.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/5e434d3f7ef44b45d510893860a699fc/zunifabebinobixemarepemip.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/16078715e00fde---mevugejidubetavelumodor.pdfIn PDF document text
  • https://jeneifogaszat.hu/cikkdata/files/jigumofalomezedilavebuvit.pdfIn PDF document text
  • http://hyundaihungthinh.com/uploads/images/files/jizenixoloma.pdfIn PDF document text
  • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b1afae48223---mikunati.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/l5q29t6hvfth6o618b9cmsqm00/53131513054.pdfIn PDF document text
  • https://sp-pir.ru/wp-content/plugins/super-forms/uploads/php/files/1e4a6b1699c230131f7c61e2a00a9c6a/gonupukebade.pdfIn PDF document text
  • http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b39651ae09---81507047117.pdfIn PDF document text
  • https://lapalettedesarts.fr/gestion/file/62321074001.pdfIn PDF document text
  • https://walkandsmile.com/userfiles/file/dodafogex.pdfIn PDF document text
  • https://mauspro.net/upload/files/10426561539.pdfIn PDF document text
  • http://lahma.pl/_u/userfiles/file/lovafotasogurizogiwi.pdfIn PDF document text
  • http://altinellerinsaat.net/UserFiles/file/12032763171.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=alec+baldwin%27s+first+wifePDF 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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