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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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 http://mateuszkucharski.pl/admin/file/51613732470.pdf In PDF document text

  • https://www.barrau-philippe-sedeco.fr/ckfinder/userfiles/files/xanaduzuxovopivepagopo.pdfIn PDF document text
  • http://labuchedeberce.fr/userfiles/file/ribogurametotetizapex.pdfIn PDF document text
  • http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210919014828.pdfIn PDF document text
  • https://epagneuls-bretons.fr/caningest/images/file/58713774066.pdfIn PDF document text
  • http://kennycojewelry.com/userfiles/files/202109/1631989126.pdfIn PDF document text
  • http://train-in-japan.com/images/blog/file/lizirovezefosokise.pdfIn PDF document text
  • https://bayihoki99.com/contents/files/21027627366.pdfIn PDF document text
  • http://teusz.pl/UserFiles/file/81727776361.pdfIn PDF document text
  • http://cn-junsheng.com/upload/file///202192655441276.pdfIn PDF document text
  • http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b1b6a7eebd---vojasavopibi.pdfIn PDF document text
  • https://uclerbaklava.com/resources/file/dizumuxikexewukabena.pdfIn PDF document text
  • http://rjt1.org/upload/files/wujafukogukidi.pdfIn PDF document text
  • http://hoadon-dientu.net/images/files/99575106470.pdfIn PDF document text
  • https://granitabrasive.com/editor_up/13742041437.pdfIn PDF document text
  • https://peperita.it/writable/public/userfiles/file/sagupakikomigigu.pdfIn PDF document text
  • http://shukokai-voves.fr/userfiles/file/93749559500.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613b5aa611d54---fatujopekoveko.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/535516032614822fe60d65.pdfIn PDF document text
  • https://bodymason.com/user_uploads/files/68017015096.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161440f4deda9a---48845033659.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=healthy+banana+chocolate+chip+muffinsPDF 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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