Malicious PDF — malware analysis report

Heuristics 8

• 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
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 http://wellogo.in/userfiles/file///91367051127.pdf In PDF document text

  • http://gold-carsales.com/js/upload/files/33852282313.pdfIn PDF document text
  • https://cakesandcupcakes.net/userfiles/files/womurelovubifumedorovon.pdfIn PDF document text
  • https://healthlantern.com/ckeditor/ckfinder/userfiles/files/dipeluledufosobi.pdfIn PDF document text
  • https://wtmasonry.com/ckfinder/userfiles/files/diburoxozisegubori.pdfIn PDF document text
  • http://avatars.ru/userfiles/file/kulutanamesepubapowiz.pdfIn PDF document text
  • http://meubelenindex.nl/images/uploads/gugepimudokudimobew.pdfIn PDF document text
  • https://huaienclinic.com/uploadpic/files/36895818568.pdfIn PDF document text
  • http://shipsupply.ru/userfiles/files/16149230052.pdfIn PDF document text
  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/161435bfb8236d---65940559172.pdfIn PDF document text
  • http://indyskischool.com/ckfinder/userfiles/files/rutefijopidosawenade.pdfIn PDF document text
  • https://vidaleve.ind.br/ckfinder/userfiles/files/tudozakuwomopewaju.pdfIn PDF document text
  • https://imagebeaute.fr/userfiles/file/seronunorezibagasukuj.pdfIn PDF document text
  • http://www.tramag.pl/upload/file/69753093492.pdfIn PDF document text
  • https://nsck-cykelmotion.dk/ckfinder/userfiles/files/60906007832.pdfIn PDF document text
  • https://heks-tech.com/app/webroot/userfiles/files/zawujovi.pdfIn PDF document text
  • http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210906_DC36F258BD49C3C4.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e1a5e5c02---71062279978.pdfIn PDF document text
  • http://cuacuonnhaxuongbinhduong.com/upload/files/61172820219.pdfIn PDF document text
  • http://allamericannursing.com/userfiles/file/10149161151.pdfIn PDF document text
  • https://oazapiekna.com/zdjecia/fck/file/58189280565.pdfIn PDF document text
  • http://snp-ent.com/files/fckeditor/file/1354295728613355ac7cce6.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161328ae116ad2---xofinisutot.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=galaxy+a5+android+10PDF 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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