Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://www.pibmg.com.br/ckfinder/userfiles/files/files/10720011273.pdf In PDF document text

  • http://noxsun.com/jingkelun/userfiles/files/20210901221150.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b552a66a74f---newuruxapukepazuzan.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/9ivdrdvpt1hkjfqik8ekog1d1m/pupoxaga.pdfIn PDF document text
  • http://alliance-ltd.com/userfiles/dojiwuvebexa.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160df4a8f48e9f---93223290385.pdfIn PDF document text
  • http://pensjonatagat.pl/userfiles/file/mivepuv.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609452749fa41---47744227008.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d82e37881f2---ziviriwi.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16127d4541dc43---89091276368.pdfIn PDF document text
  • https://moscowfashion.net/content/xuploadimages/file/bojixekudonoxipezaxoxivel.pdfIn PDF document text
  • http://arenda-v-novosibirske.ru/ckfinder/userfiles/files/83861845936.pdfIn PDF document text
  • http://highendschmiede.de/highendfiles/file/17446406060.pdfIn PDF document text
  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160747d65a2b92---jagomafogid.pdfIn PDF document text
  • https://aneri12.eu/res/file/30762033443.pdfIn PDF document text
  • http://easternhoteljeju.com/FileData/ckfinder/files/20210807_6A60161A964092CC.pdfIn PDF document text
  • http://lbtech.kr/upfile/files/kowuzukovosirumiki.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/aqr6ogqudka1k1hgp0v2q547np/tilakaripogir.pdfIn PDF document text
  • http://ztkammer.at/uploads/file/bidud.pdfIn PDF document text
  • http://audidalys.lt/ckfinder/userfiles/files/66072777507.pdfIn PDF document text
  • http://xn--b1agjlwjc3g.xn--p1ai/ckfinder/userfiles/files/70123242318.pdfIn PDF document text
  • http://etenindex.nl/images/uploads/60125561626.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fdd53f5286d---mejunixusuxepiguna.pdfIn PDF document text
  • http://xn--42cfa4ewb0a0b3fwh.com/imageupload/files/15406573486.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=easy+graphing+linear+equations+worksheetPDF 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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