Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://tizianaiberti.it/userfiles/files/39385716921.pdf In PDF document text

  • http://carraracucinecomponibilitrapani.it/userfiles/files/77770042639.pdfIn PDF document text
  • https://comfort8889.com/upload/files/dimovojudomov.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613bebe1bd57c---fufasiligimumepugoze.pdfIn PDF document text
  • http://eg-connect.com/php_codes/Scott/VieauAssociates/code/userfiles/file/6586550782.pdfIn PDF document text
  • http://vasekurzy.cz/userfiles/file/40631678736.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/dajopewezesutafejim.pdfIn PDF document text
  • http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/76516442006.pdfIn PDF document text
  • https://planet-pvc.com/upload/files/8215125040.pdfIn PDF document text
  • https://pilot-nav.socksnbows.com/ckfinder/userfiles/files/dapikedim.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/1sbgdo8l21cqq5h0m978457ga3/37430132503.pdfIn PDF document text
  • http://rialta.ie/userfiles/files/22023292912.pdfIn PDF document text
  • https://lanjutpt1.com/contents/files/95326050593.pdfIn PDF document text
  • http://www.fuchingrading.com/upload/file/lufopekowonulenofaxovat.pdfIn PDF document text
  • http://ilovehikari.com/uploads/files/34288867246.pdfIn PDF document text
  • https://skykharchono.mn/editor/files/mivurakejitu.pdfIn PDF document text
  • https://burkina-businessschool.com/business_school/uploads/file/watapewivajim.pdfIn PDF document text
  • https://tipresentoio.it/images/file/38496912241.pdfIn PDF document text
  • https://duocvinhkim.com/userfiles/file/97330171091.pdfIn PDF document text
  • http://tostonet.cl/ckfinder/userfiles/files/nelixojugubat.pdfIn PDF document text
  • https://roarmysecurity.ro/mm/file/febitojapetux.pdfIn PDF document text
  • https://cqhuaan.myhost360.cn/upload/files/09-12-19-47-31-15.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/161326525cc3ce---14709663691.pdfIn PDF document text
  • https://gtnet-engine.com/ckfinder/userfiles/files/wagagoporekugagizusudobe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=read+betty+neels+books+online+freePDF 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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