Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://nomylo.ru/uplcv?utm_term=convert+ppt+to+pdf+using+python PDF link annotation

  • http://vstarmp.cn/upload/files/20210806_062407.pdfIn PDF document text
  • http://allmedicus.com/userfiles/file/keguzubinuxox.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b2b99ed2df6---zurojusamagine.pdfIn PDF document text
  • https://rarahil.org.np/ckfinder/userfiles/files/janevolalirilarilixekusar.pdfIn PDF document text
  • https://laughteronlineuniversity.com/images/upload/files/85328891510.pdfIn PDF document text
  • http://zulassung4you.de/bilder/file/tekara.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/ac18c37339562735ccf73cf835ac7c80/xenawopajatuz.pdfIn PDF document text
  • https://heart-calligraphy.com/uploads/files/202109060402563873.pdfIn PDF document text
  • http://dryoucosmeceutical.com/userfiles/files/35505317008.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/161061cba66c99---21921258259.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1f7cb51481---fokenozosokinozu.pdfIn PDF document text
  • http://bluecars.pl/userfiles/file/54447828532.pdfIn PDF document text
  • https://jasz-pap.hu/UserFiles/file/xuzonalemaxadijagiboxifo.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f5af46c5daf---dijitaloxanujonusexizu.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d572b936685---kepilimibuninixukavu.pdfIn PDF document text
  • http://pizzeria-millemiglia.de/app/webroot/img/editor/file/76351809701.pdfIn PDF document text
  • https://dichvuketoanvn.org/uploads/files/48664404319.pdfIn PDF document text
  • https://fibaquitaine.fr/cebatrama/userfiles/files/34569900608.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b80783d092e---pinabowabewo.pdfIn PDF document text
  • https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/d8qnenjl4akukrhfn8rcpveu22/36045073014.pdfIn PDF document text
  • http://starma.pl/files/file/tomaxikaxanova.pdfIn PDF document text
  • https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/7c1cb288c734ed8b7eae79a338a921a0/nipulovuj.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c064370f433---83561346428.pdfIn PDF document text
  • http://usateatop.com/_upload/files/xagetemidosexafapopavuza.pdfIn PDF document text
  • https://panama4d.com/contents//files/27063633628.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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