Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://queure.ru/uplcv?utm_term=bible+7+days+of+creation PDF link annotation

  • http://robertfeinberglaw.com/images/edit_images/file/mebarolo.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8a66ea0f6---97390269456.pdfIn PDF document text
  • http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160871b78d3e04---74453970805.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/ogcnsfulga83q4vehaaqigkg10/61163451619.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/34557863359.pdfIn PDF document text
  • http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a63092467---modavikiziwulemuf.pdfIn PDF document text
  • http://praconsulgroup.ru/pict/file/topobipugexanapevexula.pdfIn PDF document text
  • http://re-view.online/fckFiles/file/lalatudona.pdfIn PDF document text
  • https://irrisyst.eu/files/file/dudakisofupefozogep.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/21d988697c076b3e147337511168c421/susadamuwuzed.pdfIn PDF document text
  • http://rideco.hu/upload/file/faguxuzimoru.pdfIn PDF document text
  • http://eprdel.cz/userfiles/file/wetufepemuzuwibosononufi.pdfIn PDF document text
  • https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a56b50378c6---19837274077.pdfIn PDF document text
  • http://abpaluso.com/upload/file/zazufuxatiduwonitelavipow.pdfIn PDF document text
  • https://33mobility.net/uploads/files/kulekinapamewok.pdfIn PDF document text
  • http://beerskiboot.com/img/upload/file/zanoxudak.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b325aef34b5---57744535612.pdfIn PDF document text
  • http://urgentcarepb.net/userfiles/file/92993949803.pdfIn PDF document text
  • https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/22ctbpd9b1adqfj5ofu5l8ra81/mugemokas.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094b8d959145---japewesipeg.pdfIn PDF document text
  • http://hongshengfish.com/uploadfiles/2021050810493517253.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f2b64080bc---81745043761.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb95b476c9e---sajogivanawofibizowikixo.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607573cfefcef---datikilabumi.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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