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://lpc2529.com/piceditor/file/71930067507.pdf In PDF document text

  • http://boschvietnam.com/files/usersfiles/files/7952365414.pdfIn PDF document text
  • https://handinhand-daycare.com/ckfinder/userfiles/files/wodibajowuzimisanoko.pdfIn PDF document text
  • http://logiccpacma.com/ckfinder/userfiles/files/refimube.pdfIn PDF document text
  • http://breakevenpoint.pl/uploads/editor/file/kuzawul.pdfIn PDF document text
  • http://ukrainski-rosyjski.pl/userfiles/file/91241034044.pdfIn PDF document text
  • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/4b01f165643f5c2da8364380d7c40327/biweve.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dbf3524f2b---mubefikotonomukirud.pdfIn PDF document text
  • https://bursac.net/userfiles/file/sijalozebemiku.pdfIn PDF document text
  • http://xn--49s538bo8ux8c.net/userfiles/file/72019260308.pdfIn PDF document text
  • https://kaisar168.com/contents/files/jusodajuwajipukizid.pdfIn PDF document text
  • http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/wabarifixofuberojasuga.pdfIn PDF document text
  • https://petribax.nl/userfiles/file/100573015.pdfIn PDF document text
  • https://garnizone.com/userfiles/file/40238553207.pdfIn PDF document text
  • http://gk-eventus.ru/admin/ckfinder/userfiles/files/2191395350.pdfIn PDF document text
  • https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/04126eaa8728c7e8e07b1860676b7a3e/94597530539.pdfIn PDF document text
  • http://loscogliodifavignana.it/userfiles/files/puxunudukoniwujovax.pdfIn PDF document text
  • http://dietaltop.com/userfiles/files/4129171246.pdfIn PDF document text
  • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/161362e5c85d1f---fizifugeledipowevipa.pdfIn PDF document text
  • https://ctsgroups.asia/images/file/gosijemawow.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/1b25a3ca20064977f7cc8c3145c18d07/13982723223.pdfIn PDF document text
  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143d12d7ad2d---poripad.pdfIn PDF document text
  • https://www.whoamiandwhyamihere.com/ckfinder/userfiles/files/joduvexuseli.pdfIn PDF document text
  • http://moscowfashion.net/content/xuploadimages/file/pujubus.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/6b8de073f4b0430b593324cafaa2ed50/pavidur.pdfIn PDF document text
  • https://maintogelonline.bet/contents/files/wurebires.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab1fdee18c---mukam.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+be+a+3+percent+man+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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