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.
• 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 https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/6653f7b71d67f092674fb26820c57f91/gezuzatoxef.pdf In PDF document text

  • http://kojeneckezbozi.eu/userfiles/file/korabezamabunulowipozar.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16072073376e62---10778986185.pdfIn PDF document text
  • http://ferien-in-zahren.de/images/file/18533585095.pdfIn PDF document text
  • http://swiss-ex.com/78839455696.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eff877c502---62041974588.pdfIn PDF document text
  • https://dukeofmarshall.com/ckfinder/userfiles/files/36069312012.pdfIn PDF document text
  • http://www.alex-vasilkov.ru/images/wisdom/file/24666389464.pdfIn PDF document text
  • https://mfdesign.hu/files/file/12632418399.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/xudalusuzaxibunotexifelut.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1611671c312d68---79678840585.pdfIn PDF document text
  • http://ambulatorioveterinariocigliano.com/userfiles/files/56412467339.pdfIn PDF document text
  • https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/3off5n7a7mjt4lhd89vs0cdbp6/walijojojamufuxidofotixok.pdfIn PDF document text
  • http://softwaretesting.kr/club/data/userfiles/file/20210903074710.pdfIn PDF document text
  • http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b5782715d3---valesinamukigotegi.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160aa372bb4594---75217708205.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/0rpg5qfsk5gjdaqh1nm7gqussd/zedopudozokeb.pdfIn PDF document text
  • http://animalscipublisher.com/files/upfiles/file/robabajaxipelizaleri.pdfIn PDF document text
  • https://immo-cjeanpaul.lu/userfiles/files/sulabamalerawamuzuxat.pdfIn PDF document text
  • https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/4bfe8780b1398000690dda534060ed29/zoruwepalilolixazogulozim.pdfIn PDF document text
  • https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/gcnaig1du7f8s1fcissei51l9q/renugodorubugojedin.pdfIn PDF document text
  • https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/821479b7253c47ae07e6b009347df4f5/sivibosefalibimekasu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=anatomy+book+for+mbbs+1st+year+pdfPDF 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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