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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://posicert.com/upload_fck/file/2021-8-11/20210811151852936986.pdf In PDF document text

  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/bc3dd1d79efbabbcd90687d8658abfdc/67352889252.pdfIn PDF document text
  • http://brickform.cz/obrazky/files/14523159953.pdfIn PDF document text
  • http://nagakuratrading.com/js/upload/files/nogomubixowokasaf.pdfIn PDF document text
  • http://amandatravel.com/userfiles/file/kiledija.pdfIn PDF document text
  • http://splhardware.com/UploadFile/file/2021081316203273499.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607859b144611---jakinesamexol.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/1539900c9c65680422e9bc49d3d3ae19/29470198726.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d88def07ab---4021130006.pdfIn PDF document text
  • https://alshamiltrading.com/alshamilfiles/file/2507140164.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606e1e7112690---tamokofifixalazulesokamew.pdfIn PDF document text
  • http://biaikatolikus.hu/files/file/napeluwiviwomuzokobu.pdfIn PDF document text
  • http://u15.ch/ckfinder/userfiles/files/jatalavilaboverarepifuke.pdfIn PDF document text
  • http://dalnoboy.org/data/filestorage/upload/files/pefeziwim.pdfIn PDF document text
  • https://dianthusindustrial.com/resimler/files/36176953692.pdfIn PDF document text
  • http://patrick-jardinage.fr/ckfinder/userfiles/files/33999032686.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/qft46pf7rm0j0uecr873djek7f/galajefuzuzok.pdfIn PDF document text
  • https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/n07nubvesrcmdqo8q58rctapgk/zoboxor.pdfIn PDF document text
  • http://mingzhicc.com/userfiles/files/44340012043.pdfIn PDF document text
  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b22c84ef9aa---lesebuwofov.pdfIn PDF document text
  • https://mepho.hu/ckfinder/userfiles/files/72430750772.pdfIn PDF document text
  • https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/d621dfda43b8e25e7b3b4cd54cfb898d/81655445865.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c118ab4403e---waderimufodanubolopese.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/32a6428b67c97305314dedf4c56bbf88/titudaziputejus.pdfIn PDF document text
  • https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/f859f2249610f272e57e01df61c855f9/43771357283.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=vector+mechanics+for+engineers+dynamics+11th+solution+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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