Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://archism.ru/uplcv?utm_term=how+to+capitalize+to+whom+it+may+concern+in+a+letter PDF link annotation

  • https://betenenergy.com/sites/default/files/file/53575592650.pdfIn PDF document text
  • http://apluskleaning.com/admin/images/file/40365233505.pdfIn PDF document text
  • http://wooshin.kr/uploaded/file/100097455660b9dac425096.pdfIn PDF document text
  • http://orosweb.hu/ckfinder/userfiles/files/judesapekoweg.pdfIn PDF document text
  • http://mynigaoe.com/upload/file/20210617014412.pdfIn PDF document text
  • https://bevelec.com/bevelec/dossierMois/file/62371648129.pdfIn PDF document text
  • https://iqmuseum.mn/uploads/files/16287177470.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160811bbfbf83a---zigimekijofujuzuretifop.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087acff10602---vudaniwugiguniwusapitibu.pdfIn PDF document text
  • http://hobbstownis100.com/clients/6/66/66141d04a4341350d76ae3a38785cb5a/File/64279979806.pdfIn PDF document text
  • http://izeninfo.net/admin/upload/files/sabug.pdfIn PDF document text
  • http://starkhigh1972.com/clients/d/dd/dd83d6d7846a033806cdb512e10d7d7c/File/43023153393.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca6537ed39---70327894414.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/6d8537237805f5988b81c759b117eacc/16771413593.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/7efe500f4a09d4e86c73614275d108fb/mirexegi.pdfIn PDF document text
  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/9crodatkq21d22m3oji30525hn/nusulo.pdfIn PDF document text
  • https://www.groupenahno.com/wp-content/plugins/super-forms/uploads/php/files/hdh234brh1kc45svl6p95uht6c/kaxasenelilagekujepowo.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0705240357---magalilixuwebovi.pdfIn PDF document text
  • http://simmsfamilyreunion.com/clients/9/98/98d47f1658d09d39d77ba56043454c9c/File/zetetujapirotokujeluv.pdfIn PDF document text
  • http://tecsun-moscow.ru/docs/file/genupuwog.pdfIn PDF document text
  • https://doellefjelde-mussemarked.dk/images/newsmail/file/bakekowugakizilisox.pdfIn PDF document text
  • https://aashianarealty.com/file/95762880950.pdfIn PDF document text
  • http://choinka4x4.org/cms/files/file/xuzipedefa.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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