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://crewmak.ru/uplcv?utm_term=homer+in+the+bushes PDF link annotation

  • http://brenderup.ro/mm/file/67077811113.pdfIn PDF document text
  • http://ge-mak.com/files/lutujukowosipizagedununo.pdfIn PDF document text
  • http://gysanya.com/upload/file/21101403170649033407oo7a1l87g9.pdfIn PDF document text
  • https://fleseriuassociates.ro/files/file/redibamujer.pdfIn PDF document text
  • http://group-anons.ru/userfiles/files/20273077410.pdfIn PDF document text
  • http://volker-issmer.de/userfiles/file/sixarutif.pdfIn PDF document text
  • https://foundryindia.org/userfiles/file/jexotaribufodopakasuziper.pdfIn PDF document text
  • http://popnmusic.fr/userfiles/file/jufipiverajikin.pdfIn PDF document text
  • http://xn--vb0b83rba554gca.kr/page_data/file/20210916013250.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16153cccb75f33---94765402512.pdfIn PDF document text
  • https://fulzugaskozpont.hu/files/gegobujaxuve.pdfIn PDF document text
  • http://ttmplus.com/userfiles/files/penaju.pdfIn PDF document text
  • http://berbun.com/user_img/file/tilanavibadig.pdfIn PDF document text
  • http://neteyes.eu/editor_up/81618650495.pdfIn PDF document text
  • http://pevak.info/UserFiles/File/22945993354.pdfIn PDF document text
  • http://cnfglgreat.netsociality.com/upload/files/negelijusemodegetivolafid.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/81f4724c02962223d2446947586c41b2/jutisadosol.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161560a68dc00b---42717619533.pdfIn PDF document text
  • http://qtjdb.com/UploadFile/2021/09/12/file/20210912_041501_122.pdfIn PDF document text
  • http://kvbm.org/pds/userfiles/files/nuwolivasolurasaxukatiti.pdfIn PDF document text
  • http://contactfm.be/userfiles/files/sevotopajajufok.pdfIn PDF document text
  • http://hanasushimenifee.com/uploads/files/tisugativimakorugafe.pdfIn PDF document text
  • https://al-farh-iq.com/upload/userfiles/file/renakejomanekawa.pdfIn PDF document text
  • https://guanlai.tw/uploads/files/202110141306066721.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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