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://ajivikafinance.com/userfiles/file/76273775047.pdf In PDF document text

  • http://ilonew.tasksplan.com/ckfinder/userfiles/files/44250906316.pdfIn PDF document text
  • http://roomyab.ir/basefile/roomyabir/files/88434356163.pdfIn PDF document text
  • http://skinct.com/upload_file/file/Fl202109011052107730.pdfIn PDF document text
  • https://facades-et-traditions.com/actualites/file/21202510555.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161433035abfbe---vilemav.pdfIn PDF document text
  • http://agisma.ru/files/pages/files/teranukubujegulu.pdfIn PDF document text
  • http://www.julietlandau.com/fckeditor/userfiles/file/moduru.pdfIn PDF document text
  • http://clinicaveterinariacittadivignola.com/userfiles/files/popatuzikifez.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/161447c2932196---23393637268.pdfIn PDF document text
  • http://phongthuydotho.vn/upload/files/80690463823.pdfIn PDF document text
  • https://r4binsh4h9-att.com/contents/files/74580200789.pdfIn PDF document text
  • https://getracemirates.com/userfiles/files/dowisupunorimukoxutot.pdfIn PDF document text
  • http://mtt-association.fr/upload/file/dilezi.pdfIn PDF document text
  • https://obrbikes.com/files/files/95146328171.pdfIn PDF document text
  • http://baliretreatcenter.com/olabali_ci/media/images/newsfiles/palakebovujenowow.pdfIn PDF document text
  • https://raljob.com/userfiles/file/12154674242.pdfIn PDF document text
  • http://aprt1day.ru/file/makupotapudafupes.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/161362a5337160---fiseva.pdfIn PDF document text
  • https://sayurmateng.com/contents/files/zirupamogomewuwijoxu.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141bd941cd80---53481986794.pdfIn PDF document text
  • http://veterinariomauracotti.it/userfiles/files/58465290978.pdfIn PDF document text
  • http://boki.hu/editor_up/49650020517.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=fyodor+dostoevsky+notes+from+underground+pdfPDF link annotation
  • https://www.assessment.unibe.ch/app/webroot/js/ckfinder/userfiles/files/negukokadamugikok.pdfIn PDF document text
  • 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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