Malicious PDF — malware analysis report

Heuristics 6

• 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 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://ipic.vn/userfiles/file/buputaw.pdf In PDF document text

  • https://chungcungoaigiao.net/uploads/files/56818712695.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a761da1bfa2---49985346353.pdfIn PDF document text
  • https://akapacha.com/userfiles/file/xubizaminojajuta.pdfIn PDF document text
  • http://meteosputnik.ru/userfiles/file/53664842963.pdfIn PDF document text
  • https://everywheregenes.com/uploadfile/qu26_qu106_com/files/musejovedibigaxugubep.pdfIn PDF document text
  • http://alexanderkanevskyartgallery.com/clientMedia/file/15418127313.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/5uo0k2tu17pccg3r8uueosah27/punudonapiseluraribovov.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dca4f85485---segazizomevixilevuweweki.pdfIn PDF document text
  • http://sarljarry.fr/userfiles/file/maxipuxegizubuvuzu.pdfIn PDF document text
  • http://thingsantiquesla.com/userfiles/files/dibomokujusekudim.pdfIn PDF document text
  • http://am-assets.com/aom/magnolia/userfiles/file/vowewajadodifenusin.pdfIn PDF document text
  • https://espiber.cl/images/uploadedimages/file/xaxod.pdfIn PDF document text
  • https://soalmatematik.com/userfiles/file/kelodiwajo.pdfIn PDF document text
  • http://bhhangkhong.com/upload/images/files/godejogezeredamez.pdfIn PDF document text
  • http://jacsonsfurniture.com/userfiles/file/21069152570.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f461be2d477---21419912329.pdfIn PDF document text
  • http://filtrydokoparek.pl/img/all/dovaxuzanebuzime.pdfIn PDF document text
  • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/c34ebef2b1b6b2b7f1c3dd3f3a659a43/49923364663.pdfIn PDF document text
  • https://www.seblocation.com/ckfinder/userfiles/files/69182875946.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/a549e364b1ff06741a7eaeccb11d77d9/18811903859.pdfIn PDF document text
  • https://thefertilizergranulator.com/d/files/vakomugetokuke.pdfIn PDF document text
  • http://myboydfamily.com/clients/7/7f/7f513a2250c12de81a70a6735749c289/File/wejuroposamafivu.pdfIn PDF document text
  • http://gpkoaee.ru/ckfinder/userfiles/files/21327920770.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=qualities+that+start+with+hPDF 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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