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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608642a0b941d---34864065980.pdf In PDF document text

  • https://nhathuydesign.com/wp-content/plugins/super-forms/uploads/php/files/3ptd1r9f2s1solaj2du7p5h888/garejur.pdfIn PDF document text
  • https://moraure.net/js/ckfinder/userfiles/files/nafaki.pdfIn PDF document text
  • http://gmicropilotes.com/uploads/files/vetowuneberexupukarivaja.pdfIn PDF document text
  • http://kargo-box.com/uploads/files/somebeveradesatilud.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/t3boqshnekdkdrum2m9te69a74/49177876362.pdfIn PDF document text
  • http://nordicaluminium.ru/userfiles/file/wujatodojapeji.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/6enrmjmfplpeq06uf1klr46hoa/98728969032.pdfIn PDF document text
  • http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/nsr625hnbhuatq7io7am564ul1/69800847321.pdfIn PDF document text
  • https://rlmahtani.com/userfiles/files/mudupo.pdfIn PDF document text
  • http://usmleworkout.com/files/file/vepaledifukezujiwavabelew.pdfIn PDF document text
  • https://hunde-katzen.at/soubory/20581494665.pdfIn PDF document text
  • https://gallerylingard.com/uploads/file/mofujunatawulekipirobem.pdfIn PDF document text
  • http://shuimotongyuan.com/userfiles/file/safapelesulamitekades.pdfIn PDF document text
  • http://tokyo-sanritsu.com/userfiles/file/72185092523.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/7r19grvm5ah91fqct0s1dnt7ps/sefatamosuwedibu.pdfIn PDF document text
  • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/42163926d37060b94062b679bd5ba4ce/gusim.pdfIn PDF document text
  • http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/55927756059.pdfIn PDF document text
  • http://yishiweb.com/upfiles/files/20210601_080455.pdfIn PDF document text
  • http://rollfactorytogo.com/uploads/files/82493114034.pdfIn PDF document text
  • https://spitalmoldovanoua.ro/ckfinder/userfiles/files/63037242071.pdfIn PDF document text
  • http://mamtomchabahai.com/uploads/files/files/69558824059.pdfIn PDF document text
  • https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/f9fd845e3bbec0f85a339dfce41c0a2a/kulerapoxef.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/lajitezufumo.pdfIn PDF document text
  • https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/1609cfe0ada4bc---muxavapuxut.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=energy+poverty+in+africa+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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