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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://synerhu.ru/uplcv?utm_term=hp+to+joule PDF link annotation

  • https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/0cf8daedd00adf7128e56566f1cd2586/5422685820.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/7648549a335bec32ae14567fb0178bb5/9100281109.pdfIn PDF document text
  • http://randygordonlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fosixemozanofajop.pdfIn PDF document text
  • https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/d2cdfef4114d90ee80ba8998b3b14414/70822541112.pdfIn PDF document text
  • https://www.thic.net/plugin/ce1/ckfinder/userfiles/files/73528490201.pdfIn PDF document text
  • http://www.heksan.com.pl/file/7226477164.pdfIn PDF document text
  • http://letnipohar.cz/upload/file/4916118308.pdfIn PDF document text
  • http://globalsocialwlefaresummit.com/app/webroot/uploads/ckuploads/files/45884866065.pdfIn PDF document text
  • https://huaienclinic.com/uploadpic/files/60970674602.pdfIn PDF document text
  • https://ostrichpharmaceuticals.com/userfiles/file/pavuginalo.pdfIn PDF document text
  • https://rmp-traueranzeigen.de/cms/files/28519012381.pdfIn PDF document text
  • https://pianotuningdarwin.com/userfiles/files/gaxenemitejomopomusekab.pdfIn PDF document text
  • https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/93a7a34b503c6277e77ed81ea8ad0045/sesevikisikikeno.pdfIn PDF document text
  • http://x-mobio.com/upload/files/polujezurewumukufaka.pdfIn PDF document text
  • http://www.almansori-ye.com/almansorifiles/files/vezugifusel.pdfIn PDF document text
  • http://zkmeiqi.com/admin/ckfinder/upfile/files/warewibe.pdfIn PDF document text
  • https://mtydizayn.com/userfiles/file/piwozodokodivev.pdfIn PDF document text
  • https://pacientes.quiroser.com/UserFilesQUI/file/ridomolovafekemoje.pdfIn PDF document text
  • https://gabinetpro.pl/kosmetyczka/krakow/files/xowatafosif.pdfIn PDF document text
  • https://fainitelecommunication.com/public/editorfiles/file/63014476960.pdfIn PDF document text
  • http://narzedziascierne.eu/Upload/file/divigoju.pdfIn PDF document text
  • http://wuyioutdoor.com/userfiles/file/36417114664.pdfIn PDF document text
  • http://originalcheck.it/public/img_admin/file///13294782840.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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