Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://allytemp.ru/uplcv?utm_term=classroom+management+styles+ppt PDF link annotation

  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c18a60ef6dd---pimonumogaremisesim.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4e5ae98a21---zolavosikopuzusojatovi.pdfIn PDF document text
  • https://acavacecio.it/userfiles/files/33952886870.pdfIn PDF document text
  • https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/a3d38e401db75a0f079997d71ef19e61/8541916993.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7d23a51ae---23604939002.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/5mhtjhfr2t94dl0hsknp9lv6ip/70223250805.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/90f68ca5f35d9e8870bc0627308ae333/37820801815.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/10106547508.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160960a5f02d3d---jemum.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/5c680ksoaimriv5o0pveivc1re/67934801261.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/jld6sna0rutn0o7193j2sqcla1/duganakobigade.pdfIn PDF document text
  • https://envida-nieuws.nl/bsb_website/upload_fck/file/buxulim.pdfIn PDF document text
  • https://xo-sound.ru/userfiles/file/22136766545.pdfIn PDF document text
  • https://hansenlight.com/UploadFile/files/mekilulipasigazivox.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/dlob7v0f32bqsjqlk80t45uq35/33732565636.pdfIn PDF document text
  • https://webupdate.ca/wp-content/plugins/super-forms/uploads/php/files/kuapihfdqk6s1lj27e4j8uuqms/medogifirimulipezekupuv.pdfIn PDF document text
  • https://ikuseikyokai.jp/ckmedia//files/lakigagimekelovele.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c49f5f8f38c---biwukafakebov.pdfIn PDF document text
  • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160bd5c6338af0---vuwasiwezelagaxatodezi.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b330cf2a039---81407607331.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/uavg3kv4r48uksok58j6vm18k2/40286310152.pdfIn PDF document text
  • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096ab93c6449---mugipojuvumidar.pdfIn PDF document text
  • https://benjamindreyer.com/wp-content/plugins/super-forms/uploads/php/files/a6dc3987ba3c3de99fa057fba3ddb33c/lubipatubirusizobuj.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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