Malicious PDF — malware analysis report

Heuristics 7

• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=codashop+hack+apk+download.
• 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.
• 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://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/36258464317.pdf In PDF document text

  • http://ever0036.com/assets/uploads/ckedit/files/20210906150219.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f733cea6d1---fisifamofab.pdfIn PDF document text
  • http://biemmecommerciale.eu/userfiles/files/47352767647.pdfIn PDF document text
  • https://markaoyun.com/calisma2/files/uploads/6311433755.pdfIn PDF document text
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139c009f2722---xomitujamumemabet.pdfIn PDF document text
  • http://formpart.com/upload/ckfinder/files/lujuleduvoluponuma.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/30733054557.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16139fe943fd9e---sesejadakakibiwerixad.pdfIn PDF document text
  • https://macintosh-szerviz-javitas.nuttydog.hu/ckfinder/userfiles/files/18503215848.pdfIn PDF document text
  • http://slesnick.net/userfiles/files/76360731603.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133795dee833---7507729635.pdfIn PDF document text
  • http://dga.gr/ILC/img/file/32830458502.pdfIn PDF document text
  • http://kyochonbuenapark.iorderfoods.com/uploads/files/82067818431.pdfIn PDF document text
  • http://thanhnienxp.com/vietkiendo/upload/file/75214161189.pdfIn PDF document text
  • http://cy2hand.com/userfiles/70007541226.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc75d649ab---94640643423.pdfIn PDF document text
  • http://gyndoktors.de/ckfinder/userfiles/files/24308321897.pdfIn PDF document text
  • http://dogalakustik.com/depo/sayfaresim/file/98792674572.pdfIn PDF document text
  • http://galenbio.com/images/upload/file/rigoke.pdfIn PDF document text
  • http://abhinavabhishad.org/userfiles/file/gavukenodivesi.pdfIn PDF document text
  • http://geobigoni.it/userfiles/files/muzalibejelijodojar.pdfIn PDF document text
  • https://aquafilling.com/userfiles/file/migemoxebe.pdfIn PDF document text
  • http://j-club.eu/userfiles/file/29112439852.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc7e9b7843---9319630825.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=codashop+hack+apk+downloadPDF 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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