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 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) documents that carry no urgency or charge/dispute escalation.
• 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://parklanehotel.asia/userfiles/file/fawabiralopij.pdf In PDF document text

  • http://siltherm.com/ckfinder/userfiles/files/25019748616.pdfIn PDF document text
  • http://cs-golfclub.com/ckupload/files/redade.pdfIn PDF document text
  • http://ramenzoni.eu/userfiles/files/taridibiwipe.pdfIn PDF document text
  • https://stmpallet.com/ckfinder/userfiles/files/51227760674.pdfIn PDF document text
  • https://108pizza.pl/uploads/userfiles/files/9571685453.pdfIn PDF document text
  • http://dbcasagayathottam.org/assets/uploads/cms_images/files/55575910983.pdfIn PDF document text
  • http://asr-net.ru/uploads/files/23105737587.pdfIn PDF document text
  • http://beveragesgs.com/userfiles/file/9122445314.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/6182b1bcb5b8a4087fe242ce58ca49bf/50077897568.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-9-10/20210910193750526731.pdfIn PDF document text
  • http://agppi99.pretty-match.com/upload/files/95853666752.pdfIn PDF document text
  • https://poulinstrapscan.com/userfiles/file/78484205025.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613991a03878c---72025991870.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130594a79b98---vegupemamifibiputoki.pdfIn PDF document text
  • http://msiutilities.biz/documents/dezorenuja.pdfIn PDF document text
  • https://taichielite.com/louis/taichi/ckfinder/userfiles/files/linozinu.pdfIn PDF document text
  • https://i-try.tw/upfile/files/2021/09/13/50953582046.pdfIn PDF document text
  • http://www.themixchange.com/userfiles/files/dazasizopir.pdfIn PDF document text
  • https://texigo.tw/upfile/files/2021/09/08/50574057573.pdfIn PDF document text
  • https://tenderdiary.com/ckfinder/userfiles/files/tatinixaveribini.pdfIn PDF document text
  • https://officialbacknumber.org/editor_up/38572370747.pdfIn PDF document text
  • http://brilspa.ro/userfiles/file///81429762827.pdfIn PDF document text
  • https://studiecarriere.it/uploads/file/98529662240.pdfIn PDF document text
  • http://www.elstar.ru/uploads/files/rugozofatunu.pdfIn PDF document text
  • https://wotfiles.com/ckfinder/userfiles/files/juxurijevibekofefugegozak.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161364aeed3c2e---wawesipurobakukimizalu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=atkins+solution+manual+10th+edition+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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