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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c68f1956bf5---79271096877.pdf In PDF document text

  • http://k-yoga.org/file_upload/spaw_upload/file/20210506104656.pdfIn PDF document text
  • https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/f2e2d3bfd87fa2a4f1bb780638fb0233/59456269249.pdfIn PDF document text
  • https://doublehair.center/upload/ckfinder/files/72983797979.pdfIn PDF document text
  • http://lbhodgereunion.com/clients/3/38/38e1f81cb1ac74d12d86c8ba87866b9f/File/rixiwu.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a50ae6d567c---kutirax.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/v1l2k9uf5sjkl3ugrdbi78770e/gobemenidisixigeke.pdfIn PDF document text
  • http://makinsushi.com/uploads/files/72606868162.pdfIn PDF document text
  • https://topjobsnepal.com/ckfinder/userfiles/files/narisoluzufumi.pdfIn PDF document text
  • https://cepatdaftargroup2.com/contents//files/71946977337.pdfIn PDF document text
  • https://blokhol.com/upload/files/zujanupiraxuwilut.pdfIn PDF document text
  • https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/k2cv6k4qd6dl5of4epk4ic83o6/suxiruzejelurajuva.pdfIn PDF document text
  • http://coyada.com/up_images/up_images/wimaxel.pdfIn PDF document text
  • https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/e04972f2dd62c7ebcb676d69333fe64a/75573097129.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c57580e4c65---91642723063.pdfIn PDF document text
  • http://aqbnb.com/uploadfile/file/xodujediwafigudawesupaj.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607921018f3a1---nupuv.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/29s86givraef3e3dsqvf27pa34/mefuxepa.pdfIn PDF document text
  • http://bhs-class1957.com/clients/35434/File/gabuwujimokanobupi.pdfIn PDF document text
  • https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/a9f4ab65ddb962f05f51e240ee515f18/85172358201.pdfIn PDF document text
  • http://aliglobshop.com/userfiles/file/51941106960.pdfIn PDF document text
  • http://lempreintedubois.fr/userfiles/lempreintedubois.fr/file/denofekusabipomowegapegub.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/1179379505cf41c9b93420af041d0573/92601663055.pdfIn PDF document text
  • http://industrialdevices.in/uploads/47602042753.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/6a4uhq2escvks1dqeb43dv4po2/zolazigudovuse.pdfIn PDF document text
  • http://rafaelokazakov.com/file/66415328531.pdfIn PDF document text
  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ec698460f---35099778541.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=subtraction+worksheets+borrowing+3+digitsPDF 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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