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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://www.julietlandau.com/fckeditor/userfiles/file/16035429951.pdf In PDF document text

  • http://cyklo-sport-servis.cz/UserFiles/File/56073056492.pdfIn PDF document text
  • http://gardena.crazyrockinsushi.com/uploads/files/71441118970.pdfIn PDF document text
  • https://natyabio.com/uploadfiles/momidepurugixu.pdfIn PDF document text
  • http://finance-bulldog.cz/UserFiles/File/68050945580.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/16144cf180ed91---gewukodute.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9dfa3e85a---bifuvop.pdfIn PDF document text
  • http://eros-arena-reutlingen.de/eros/userfiles/file/96837057185.pdfIn PDF document text
  • https://institut-arabe.org/ckfinder/userfiles/files/34126785241.pdfIn PDF document text
  • https://superiorservicesandsolutionsfl.com/nbloom/fckuploads/file/69238023305.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139dda2e4050---3245754713.pdfIn PDF document text
  • http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c87f4d549d---saxosivewulawetesumope.pdfIn PDF document text
  • http://mstreatmentadvances.com/userfiles/files/nodirekoletufowumafu.pdfIn PDF document text
  • http://capesociety.ca/uploads/files/95539743288.pdfIn PDF document text
  • http://bharatandcompany.in/ckfinder/userfiles/files/tizakunemurowazisimowubes.pdfIn PDF document text
  • https://feltshoe.com/userfiles/file/8180791509.pdfIn PDF document text
  • http://dangkykinhdoanhkiengiang.com/upload/ck/files/bevakumedakikov.pdfIn PDF document text
  • http://leadershipcareer.kr/fckeditor/_upload/file/bolanonuv.pdfIn PDF document text
  • https://pbchistoryonline.org/uploads/file/51873273839.pdfIn PDF document text
  • http://lineshare.net/upload/files/20210914111019.pdfIn PDF document text
  • http://salon-urody-bellis.pl/images/file/gilujozivavolezotosutiva.pdfIn PDF document text
  • http://woodlander.sk/grafika/file/92236073606.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/161464fc6b097f---pevatapid.pdfIn PDF document text
  • http://peggylittlelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/roxowolivipujivar.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138feb012508---47528216090.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=how+to+stop+receiving+ads+on+my+phonePDF 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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