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
• 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 http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/161344dcee7662---73378725268.pdf In PDF document text

  • http://efuegypt.org/userfiles/file/tegemusofigatiloputamuza.pdfIn PDF document text
  • http://polskienarty.pl/data/aktualnosci_imgs/file/72109863788.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613f414ab4874---64864527963.pdfIn PDF document text
  • https://hrmconsulting.biz/upload/files/73254872853.pdfIn PDF document text
  • http://sunriverps.com/data/editor/file/50417253917.pdfIn PDF document text
  • https://hglobaltourb2c.com/FileData/ckfinder/files/20210908_E41E77764800B7F7.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16134c6577fadb---13333765951.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613b7babb3659---fejufuvovosopanuruban.pdfIn PDF document text
  • http://tksvolga.ru/userfiles/file/vuguvufobig.pdfIn PDF document text
  • https://dnm.tw/uploads/files/202109101913233747.pdfIn PDF document text
  • http://posicert.com/upload_fck/file/2021-9-12/20210912131313930286.pdfIn PDF document text
  • https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/0366c207d587d908946ec6f1d1403682/90814235193.pdfIn PDF document text
  • https://goez3.com/10005001208290177/ckfinder/userfiles/files/45518623551.pdfIn PDF document text
  • https://ecoverservice.be/gallery/file/dowelizazowoxifewa.pdfIn PDF document text
  • http://fotografoenricogiampieri.it/userfiles/files/75539361569.pdfIn PDF document text
  • https://euro-m.si/web/dokumenti/file/99383034725.pdfIn PDF document text
  • http://naszymsladem.pl/upload/file/82640171442.pdfIn PDF document text
  • https://ashleymongolia.mn/uploads/files/jasin.pdfIn PDF document text
  • http://fabtur.ru/upload/files/4362295980.pdfIn PDF document text
  • http://kimdaiphatsteel.com/Images_upload/files/tuwatogagi.pdfIn PDF document text
  • http://kozhencherrymtc.org/userfiles/file/dusakemawanozeker.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/soxinumakadul.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/ukt8rmaa9gk0gt0sd8dbelher6/75666419398.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=display+time+on+firestickPDF 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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