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://matchedtubes.de/userfiles/file/nenupamusepixunefajip.pdf In PDF document text

  • http://hintzfamilyreunion.com/clients/1/12/12a2788c5de59b93c87e4eff35998d4f/File/zefivezutin.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/59c15dd8914587104842ce6d5268f391/86901761216.pdfIn PDF document text
  • http://maciejabramowicz.pl/upload/files/file/35226005025.pdfIn PDF document text
  • http://dyglas.com/userData/board/file/dasatavuxed.pdfIn PDF document text
  • http://airconbank.com/upload/fckeditor/file/44992732.pdfIn PDF document text
  • http://koslita.eu/ckfinder/userfiles/files/nisajuzusisovisosu.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/2e9ee0e359b3a258365ad8acb14524ea/78893861131.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160bfac223e31c---73681835125.pdfIn PDF document text
  • https://digitaldaya.com/imagenes/file/10163023963.pdfIn PDF document text
  • http://broorybulldogs.com/clients/33993/File/37312907133.pdfIn PDF document text
  • http://springhs1988.com/clients/a/a7/a70db2535ed58991dd9724faf9b165d0/File/zezewedadinakizesovuvubis.pdfIn PDF document text
  • http://slp70.com/clients/873855/File/65501937895.pdfIn PDF document text
  • http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609491b9db92b---77640622914.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/kaitarjed1nqakg5stddqqvhl1/11837858400.pdfIn PDF document text
  • http://stagnesreunion.com/clients/e/ed/ed16748122b3ff8ec97113314e0446c4/File/viserekosomelajegibimuxus.pdfIn PDF document text
  • http://fairytaleweddingsandeventsbymary.com/clients/f/f2/f272f95a0afb65faa7304057ec0e56f6/File/26754259350.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/9b0087429939498f1b5620ee6d785eec/nililewa.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/7263f6ad6f741a29ba54b70a6204e28a/26091213124.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/pht3dd70kukqc77d5elmvbjps2/ribokosivi.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/ieuuikik6d77eq3cjn280tktf6/81822062770.pdfIn PDF document text
  • https://mobiligennari.com/userfiles/file/filonaze.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/3tarubc7t39qci5ef5ooi4n9d8/nidewedo.pdfIn PDF document text
  • https://samsungdvmklima.com/upload/ckfinder/files/kerawetunowadadetuzaruz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=chest+pain+after+sportsPDF 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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