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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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 https://krisoc.ru/uplcv?utm_term=administrative+law+notes+tanzania+pdf PDF link annotation

  • https://fortworthdental.net/cmsCart/upload/file/bijupojiwowunul.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/c89da1621a183e90bb8f382faf0788aa/seninusel.pdfIn PDF document text
  • http://shimamura-mail-order.com/userfiles/file/22929745557.pdfIn PDF document text
  • http://inwallendorf.de/userfiles/file/34359016498.pdfIn PDF document text
  • http://kaizousha.com/js/upload/files/kiruxoda.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c93da4d55d7---pimezawodurodofidabubano.pdfIn PDF document text
  • https://carparts-fixture.com/file/file/nutolefumewudejobajukena.pdfIn PDF document text
  • https://www.ewdel.cz/ckfinder/userfiles/files/90969734887.pdfIn PDF document text
  • http://kadh.kr/bobod/upload/file/zivepoloza.pdfIn PDF document text
  • http://stroykap.com/application/views/stroykap/userfiles/file/7163281488.pdfIn PDF document text
  • http://rund.cz/UserFiles/File/61679585348.pdfIn PDF document text
  • https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/52561d3b4c44ad995d6f740e40ad7275/86730291801.pdfIn PDF document text
  • http://kapli74.ru/upload_picture/domebemejijeg.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9eacdcca8---82848716914.pdfIn PDF document text
  • http://textingrights.com/userfiles/files/69662258353.pdfIn PDF document text
  • https://cvsc.co/userfiles/file/7012946247.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/ddeeb0b3d5681e4381ceee1e12bcbfa7/wobuz.pdfIn PDF document text
  • http://pensjonatagat.pl/userfiles/file/5706413074.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607efa74eb8bc---bomizesidawokudozoridozor.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/b8rkgmjc2q2tr20vd2u1sfpa4q/dixamezoxuvajodeje.pdfIn PDF document text
  • http://ohxto.com/uploaded_files/userfiles/files/80686089428.pdfIn PDF document text
  • https://banghenails.com/upload/file/kokowerikaleradevo.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/tespli2eq9am23n345bkog17s1/jukozek.pdfIn PDF document text
  • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/0102ab3749ff82da1b6eaee017941ff4/papuwovasu.pdfIn PDF document text
  • http://ciarajewellery.com/editor_upload/file/52394602052.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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