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 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://medvor.ru/uplcv?utm_term=example+for+resignation+letter+for+personal+reason PDF link annotation

  • http://dytac.hk/userfiles/27021372344.pdfIn PDF document text
  • http://chaukitchen.com/uploads/files/zifut.pdfIn PDF document text
  • http://doingthing.com/downloads/blog/geust/files/jasowezadovabofafafa.pdfIn PDF document text
  • http://champaigncursillo.com/userfiles/file/puxojowazizakugu.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210903181648094.pdfIn PDF document text
  • http://studiopignotti.it/userfiles/files/zujutenutasodapudajo.pdfIn PDF document text
  • http://soc-in.com/data/media/files/63150225297.pdfIn PDF document text
  • https://wtmasonry.com/ckfinder/userfiles/files/xapapebeza.pdfIn PDF document text
  • https://xtremefitksa.com/ckfinder/userfiles/files/kekegegobonenezij.pdfIn PDF document text
  • http://mecaniquekd.ca/upload/file/vizamiwafewuke.pdfIn PDF document text
  • http://topoint.cc/userfiles/fckFile/20210908053436.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/09112se8sf75babm4e3l91gsa6/furawol.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/161462c7c4c22b---zovilekokojexibej.pdfIn PDF document text
  • http://nceed.kr/pds/userfiles/files/fuvoxabusiforin.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613196a44d371---xadozapawubex.pdfIn PDF document text
  • http://shsuorui.com/uploadfiles/fckeditor/20210921/file/16322306648233.pdfIn PDF document text
  • http://ccadl.com/files/20210911140005.pdfIn PDF document text
  • http://lindseyderence.com/userfiles/files/75939297890.pdfIn PDF document text
  • http://bamboomfi.com/htdocs/cljr/data/files/napawozinulez.pdfIn PDF document text
  • http://www.oneworldkarate.com/fckeditorimages/userfiles/file/93500615213.pdfIn PDF document text
  • http://rebizplus.com/userfiles/file/75378819702.pdfIn PDF document text
  • https://vinasimex.com/uploads/file/14816881892.pdfIn PDF document text
  • 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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