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) 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 http://bzws.zhanyougame.com/ckfinder/userfiles/files/98275373299.pdf In PDF document text

  • http://www.sana-anong.com/ckeditor/ckfinder/userfiles2/files/bilulodawuxurubago.pdfIn PDF document text
  • http://schroniskoorzechowce.pl/ckfinder/userfiles/files/83722999414.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc0ae57370---12041287783.pdfIn PDF document text
  • http://cuboni.com/uploadfile/hong202109140635152362.pdfIn PDF document text
  • https://eurouniversal.eu/ckfinder/userfiles/files/74848941656.pdfIn PDF document text
  • http://wangguanhardware.com/userfiles/file/jabigosipavokatazasedox.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/161344c1c5fc96---pemubirexoforitigaru.pdfIn PDF document text
  • http://faurerom.com/userfiles/file/34424497816.pdfIn PDF document text
  • http://peter-scherer.de/userfiles/file/736989494.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb43514740---42033447896.pdfIn PDF document text
  • https://e-midas.ro/files/file/29179051082.pdfIn PDF document text
  • https://taiwan-tiaya.com/upload/tiaya_official/files/81961199115.pdfIn PDF document text
  • https://goodluckfishing.com/ckfinder/userfiles/files/88737525025.pdfIn PDF document text
  • http://steakpluspizza.us/userfiles/file/tunubeji.pdfIn PDF document text
  • http://taispacedesign.com/upload/files/jinusoxol.pdfIn PDF document text
  • http://olsztyntransportmedyczny.pl/userfiles/file/mowutajaj.pdfIn PDF document text
  • http://www.impactit.in/ckfinder/userfiles/files/lapojubetexejoxi.pdfIn PDF document text
  • https://fitness-sport.it/userfiles/file/70202451056.pdfIn PDF document text
  • http://riasztoszolnok.hu/admin/fck_upload/file/39110248731.pdfIn PDF document text
  • https://thic.muki001.com/plugin/ce1/ckfinder/userfiles/files/10143743880.pdfIn PDF document text
  • http://bsa-billiard.by/images_from_html_editor/file/34308507769.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/161357b879f695---28428671474.pdfIn PDF document text
  • https://pirkitpadangas.lt/ckfinder/userfiles/files/wolapazadawirumep.pdfIn PDF document text
  • http://huile-de-nigelle.info/userfiles/file/jaritolafuluvasarus.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=cost+and+management+accounting+n5+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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