Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://oniceh.ru/uplcv?utm_term=remove+duplicate+contact+android PDF link annotation

  • https://rentcar888.com/uploads/files/202109030610025362.pdfIn PDF document text
  • http://baaningdoi.com/file_media/file_image/file/11230899852.pdfIn PDF document text
  • http://cedule-plachty.cz/files/file/77862044591.pdfIn PDF document text
  • http://orgue-chantepie.info/FCKeditor/upload/file/84706321644.pdfIn PDF document text
  • http://samnakthodrahassob.com/userfiles/file/76704587734.pdfIn PDF document text
  • http://leaders-adv.net/userfiles/file/68477127781.pdfIn PDF document text
  • http://matsusushionline.com/uploads/files/97610438217.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/161415a05881f0---68447960866.pdfIn PDF document text
  • http://sochisushi.nl/survey/userfiles/files/85824625712.pdfIn PDF document text
  • http://alessandrobelleseveterinario.eu/userfiles/files/69208004928.pdfIn PDF document text
  • http://mdtrend.hu/files/file/bilazunapasudavugatusiwe.pdfIn PDF document text
  • http://logicamail.it/draft/media/jimijutux.pdfIn PDF document text
  • http://thelifelesson.net/home/tappingchanges/public_html/dowalumniusa/ckfinder/userfiles/files/mimabazinabobakef.pdfIn PDF document text
  • http://kingsfci.com/userfiles/file/13299507617.pdfIn PDF document text
  • http://akiisushi.com/uploads/files/tidapowijijaxelojuxa.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138df149344d---3817492143.pdfIn PDF document text
  • http://caydinhlang.net/userfiles/image/file/jajoputixukudodufemoga.pdfIn PDF document text
  • http://tabbanbros.com/admin/fckeditor/editor/filemanager/connectors/upload/file/tulunasilusoso.pdfIn PDF document text
  • http://hamlineparkplaza.com/assets/amund/ckfinder/userfiles/files/rilasemowedowigo.pdfIn PDF document text
  • http://zangerlelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/naxinidov.pdfIn PDF document text
  • https://mchs.kz/userfiles/File/14851667882.pdfIn PDF document text
  • https://ka-base.no/images_content/file/miwolenafed.pdfIn PDF document text
  • http://pivotal-technologies.com/userfiles/file/79975029994.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/kifumuxutod.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a19adef949---dewetazonisibade.pdfIn PDF document text
  • http://llux.vn/uploads/files/fawafutepasojikot.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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