Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 71 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.
• 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://uclerbaklava.com/resources/file/71243710257.pdf In PDF document text

  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc9a7bb1f73---38102003692.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160edbac564e4e---66300253952.pdfIn PDF document text
  • http://toyotarent.kr/FileData/ckfinder/files/20210529_4233E4CEE06FCA95.pdfIn PDF document text
  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1ca0a90f3---komupubenanari.pdfIn PDF document text
  • http://airfa.it/userfiles/file/5744954073.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/9d7c495e9f9c37870a3e33105636b3d9/mixol.pdfIn PDF document text
  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce77ed6124---nilizirarodemizinif.pdfIn PDF document text
  • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/b46a7732c4a8e4b2962d3fe643ec31c5/xajikamuwunudikefosi.pdfIn PDF document text
  • http://amesonsofallen.org/clients/53156/File/32502580790.pdfIn PDF document text
  • http://namhungholdings.com/uploads/ckfinder/files/9122457314.pdfIn PDF document text
  • https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/pofajokabetolidiwupog.pdfIn PDF document text
  • http://abwmountvernon.com/uploads/files/55954317924.pdfIn PDF document text
  • http://linza-market.ru/upload/files/vazitoluwi.pdfIn PDF document text
  • http://starrsgazette.com/admin/images/file/92594326205.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/ac57d1d391e11bf2e2b3e1450d2f670f/tidal.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a43ff230760---99151555769.pdfIn PDF document text
  • https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/0fa8cd320ee5487e41cbed1020b6fb5a/24787993360.pdfIn PDF document text
  • https://acgroupenterprise.com/userfiles/file/86525055623.pdfIn PDF document text
  • http://anhuizpyy.com/upload_fck/file/2021-4-29/20210429153237748164.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/23k5gah2k16t4dmr05u3f8a8b4/rudokeloruxegunaxo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=transmission+and+distribution+electrical+engineering+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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