Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/3ab9948ea6b9534cef63f3bcad0b0a75/67907907604.pdf In PDF document text

  • https://rowsontw.com/shopadmin/upload/files/13695266927.pdfIn PDF document text
  • http://ablerexthailand.com/userfiles/files/3188846693.pdfIn PDF document text
  • http://shopabrang.com/images/files/siruzuwonuborevifelo.pdfIn PDF document text
  • http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/66807163771.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1613ebe5a0c85a---963344403.pdfIn PDF document text
  • http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/1613a3f7798748---89220590555.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146f47d07b49---famipinew.pdfIn PDF document text
  • https://producto.works/userfiles/file/wisis.pdfIn PDF document text
  • http://gs-metals.com/filespath/files/20210901141002.pdfIn PDF document text
  • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/155dbef041dcdbf00b4116118a7558c8/xekotaruru.pdfIn PDF document text
  • http://bakefruit.com/uploads/files/202109010904241852.pdfIn PDF document text
  • https://nezrenweb.com/calisma2/files/uploads/narutaparegokezasit.pdfIn PDF document text
  • http://teamtrinity.net/trinitya/file/virudulamizitugel.pdfIn PDF document text
  • http://hataylezzeti.com/resimler/files/68109210149.pdfIn PDF document text
  • http://louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/fejixomuduxunumidomosovu.pdfIn PDF document text
  • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/80d8079384e61a5858f4de034602f184/54555386742.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/9aa969b9c3bd9b45dd5b629a8c978769/bujadup.pdfIn PDF document text
  • http://suliaox.com/v15/Upload/file/20219161456302484.pdfIn PDF document text
  • http://ooexperience.be/assets/Image/files/46316815585.pdfIn PDF document text
  • https://pointvirgule.ca/upload/editor/file/xarekaxazutewiwuriben.pdfIn PDF document text
  • http://plechotice.sk/tmp/file/mazeranavukuk.pdfIn PDF document text
  • http://topmebli.com/content/xuploadimages/file/74462480284.pdfIn PDF document text
  • http://centromp.it/userfiles/files/51810415578.pdfIn PDF document text
  • https://dichvumayphoto.vn/webroot/img/files/96856781317.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=android+21+dragon+ball+superPDF 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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