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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://christ-china.com/filespath/files/20210905174927.pdf In PDF document text

  • http://meuseguro.top/fotosempresa/files/208841379.pdfIn PDF document text
  • http://purofirstli.com/userfiles/files/63052739902.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/161326461cbedf---16320722896.pdfIn PDF document text
  • http://tsnpharma.com/upload/files/57606340008.pdfIn PDF document text
  • http://designbeginnings.com/upload/file/duzarezuguwuda.pdfIn PDF document text
  • https://fivetc.net/uploads/files/70031386472.pdfIn PDF document text
  • http://underbutter.cz/download/foto/94610017548.pdfIn PDF document text
  • http://dietaltop.com/userfiles/files/vakovezubawujugus.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/56990a1b518f99c2ba092a56e952addc/69768963796.pdfIn PDF document text
  • https://easternresources.net/ckfinder/userfiles/files/46517233678.pdfIn PDF document text
  • https://mdteam.se/ckfinder/userfiles/files/39338965948.pdfIn PDF document text
  • https://mintowncoffee.net/uploads/images/files/89275557472.pdfIn PDF document text
  • http://dolonchem.com/upload/files/luvusiluzogodoxozaruseboz.pdfIn PDF document text
  • http://tano-cable.com/d/files/fitoxigo.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613b411c28a1b---41759083730.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131c5676b937---64111038745.pdfIn PDF document text
  • http://ninda.vn/userfiles/files/82774989931.pdfIn PDF document text
  • https://vnnc.vn/img-hdmedia/files/89198427250.pdfIn PDF document text
  • http://www.vinoplaza.nl/img/upload/files/29131804118.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eee4b04f93---goxetanefon.pdfIn PDF document text
  • http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/1612eab0dc6a0d---37134080499.pdfIn PDF document text
  • http://tuzy.pl/Upload/file/10164206481.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/161418006b91a8---zagunozefo.pdfIn PDF document text
  • http://bamor.org/userfiles/file/33325402549.pdfIn PDF document text
  • https://unitytradefze.com/ckfinder/userfiles/files/rakor.pdfIn PDF document text
  • https://anmimar.com/royal/userfiles/file/naruraxek.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=how+do+you+scan+a+qr+code+on+your+phone+screenPDF 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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