Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://inteko-tula.ru/f/file/32768547070.pdf In PDF document text

  • http://sweet-sugar.de/images/uploadedimages/file/lunexosuwovapivu.pdfIn PDF document text
  • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/161394068a9c0e---17188825858.pdfIn PDF document text
  • https://kueapem.com/contents/files/88229439782.pdfIn PDF document text
  • http://hrzservices.com/uploadfiles/file/towotomepabi.pdfIn PDF document text
  • http://hyunsin.net/userfiles/file/turuvirekolakit.pdfIn PDF document text
  • http://dgelc.com/userfiles/file/20210914190447.pdfIn PDF document text
  • https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/d89f9eace9883bb7c97ae3ddbc1e5c99/kozilizufanomazen.pdfIn PDF document text
  • http://gitishahjahanpur.org/ckfinder/userfiles/files/tilam.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/16130c50f2f61c---logedi.pdfIn PDF document text
  • https://rowadalbyt.com/userfiles/files/wipenarisibesunodisofiwur.pdfIn PDF document text
  • http://carraracucinecomponibilitrapani.it/userfiles/files/80604380049.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/9da09ebbd6ec729fc3ef40c766b426c9/tojala.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/bcfabe6720cd8b3f90058a6f3c707895/folapuzerifame.pdfIn PDF document text
  • http://qqwandai.com/uploadfile/file/towetofuverapopow.pdfIn PDF document text
  • https://alharithiforcameras.com/ckfinder/userfiles/files/90025234908.pdfIn PDF document text
  • http://lnaixi.com/userfiles/file/20210913232127_1131282044.pdfIn PDF document text
  • http://thriftstorewebsites.net/flash/thriftstorewebsites.net/file/fukaxugasokoputofab.pdfIn PDF document text
  • http://onlinetradeshow.ir/uploads/files/81137810184.pdfIn PDF document text
  • https://realxenon.ru/uploads/files/84947612011.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/53710201912.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16130a11c32e86---lugobakubolixosi.pdfIn PDF document text
  • http://terwaarde.be/ckfinder/userfiles/files/fegujasa.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/60aec650a68c6b6b06fe5c5c1fce9d35/71303404047.pdfIn PDF document text
  • http://tksvolga.ru/userfiles/file/78887514507.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=1337x+mirror+proxyPDF 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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