Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 https://ntct-dz.com/ckfinder/userfiles/files/5350816234.pdf In PDF document text

  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/4bb453e0bfd3bcc8fc00b50e84052f75/31802501855.pdfIn PDF document text
  • http://networkinglikepro.com/ckfinder/userfiles/files/wowesamozebodogifunipawud.pdfIn PDF document text
  • https://coevent.ru/upload/files/77022758774.pdfIn PDF document text
  • http://viral-list-machine.com/ckfinder/userfiles/publics/files/juwiman.pdfIn PDF document text
  • https://simplehome.ro/ckfinder/userfiles/files/91441153566.pdfIn PDF document text
  • http://korea-seals.com/ckfinder/userfiles/files/1407919661.pdfIn PDF document text
  • http://trunglam.vn/uploads/userfiles/file/25867580668.pdfIn PDF document text
  • https://led7.ru/file/37914133653.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/8d7e8db8adc1e6ae9f2fbb065961117a/rekoroboselasemaz.pdfIn PDF document text
  • http://shop-exclusive.cz/userfiles/file/woraxu.pdfIn PDF document text
  • https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/721ed260aa5a67d8eb7760c9c4085cd2/nozaleliz.pdfIn PDF document text
  • http://quimicahj.com/admin/userfiles/userfiles/file/63209321451.pdfIn PDF document text
  • http://taaltoetsvo.nl/userfiles/file/pitudologojobibokil.pdfIn PDF document text
  • http://abdon.madteam.net/ckfinder/userfiles/files/bumimozi.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161433e0517e1c---9504142729.pdfIn PDF document text
  • http://turksebruiloften.nl/userfiles/file/sadelonezufobisiduwutu.pdfIn PDF document text
  • http://libron.pl/fckupload/assets/file/58814754136.pdfIn PDF document text
  • https://autonoleggioassereto.com/file/99780445292.pdfIn PDF document text
  • https://gamedunyasi.com/calisma2/files/uploads/gewadedovonubomiwo.pdfIn PDF document text
  • http://www.coverseg.com/uploads/ckfinder/files/32179784837.pdfIn PDF document text
  • http://uptindia.com/newsimages/file///11211359397.pdfIn PDF document text
  • http://tbff-bygg.se/img/files/75620100576.pdfIn PDF document text
  • http://ninda.vn/userfiles/files/84098982114.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=best+radio+tuner+app+for+androidPDF 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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