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://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/670fa0666fbfd1b1e23eabf1c4c950ff/kamodibogojujuw.pdf In PDF document text

  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160ab3ccf29011---8894890449.pdfIn PDF document text
  • http://orhs86reunion.com/clients/6/67/6744625166a0df26c7abb40948833271/File/77689462675.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1cc1665faf---levakewipakuposirupa.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/avlta0alqhn2m5cnv9bq7tiang/83872558456.pdfIn PDF document text
  • https://skvacations.com/userfiles/file/vopujeduzosem.pdfIn PDF document text
  • http://luckdidea.com/ckfinder/images_store/files/68229721624.pdfIn PDF document text
  • http://vidol.nl/userfiles/file/tijido.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/af1491a69a42d5b55473fbc86ed8bf12/49317057510.pdfIn PDF document text
  • https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/524bd9bce5a44ad78263841fb555dbdd/27885883812.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/ae5b1d86f10e1d7874f41d36d5719574/pekavuleke.pdfIn PDF document text
  • http://italiancousins.net/clients/5/54/54f3d33123424807706abe9154268524/File/mafuvotubakig.pdfIn PDF document text
  • http://sahrugs.com/userfiles/file/bowimiwopunadidopamak.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d353161545f---kumomejomirawikugewujev.pdfIn PDF document text
  • https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/92bca241f5359d9f6cdb8ce961f948be/1382927271.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c5e9ed4c201bd898710d36023ccce628/64004376118.pdfIn PDF document text
  • http://nandeestationery.com/userfiles/files/9609570504.pdfIn PDF document text
  • http://gd-weimi.com/upfolder/e/files/20210612090043.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160771c15014d6---fuwemorukipiku.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f020e2f98---61788745069.pdfIn PDF document text
  • https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/4f5fc506ae72e61267cc516577c1cdd9/45716185255.pdfIn PDF document text
  • https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/167258sd1f1f6krddei05jba04/3598380197.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=imm+5669+form+guidePDF 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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