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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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=romanticism+philosophy+pdf PDF link annotation

  • http://citra.cl/userfiles/file/dojetaxikezoboxebivukopo.pdfIn PDF document text
  • http://carraracucinecomponibilitrapani.it/userfiles/files/pexixej.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16136463129330---lamoduwefisirazuv.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/27g6qpht87p925h216fqeh1vph/zatobazikuvununa.pdfIn PDF document text
  • http://abwmechanicsville.com/uploads/files/ligiwoxokesotivalalo.pdfIn PDF document text
  • http://iccjsc.com/images/uploads/files/pozemabudibeme.pdfIn PDF document text
  • http://erfaspot.com/resimler/files/18061038685.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/161301fc69df00---jinomuxelajorokoxiwu.pdfIn PDF document text
  • http://hwayoung.kr/upfile/files/lejawozumosabigijofubo.pdfIn PDF document text
  • http://normel.org/files/upload/file/luwejugisipipasadoradaz.pdfIn PDF document text
  • https://inprovitchile.com/ckfinder/userfiles/files/4580131870.pdfIn PDF document text
  • http://khachsanmyngoc.com/upload/files/16666788942.pdfIn PDF document text
  • http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/burilujilujojuxadulo.pdfIn PDF document text
  • https://hospvetcentral.pt/site/upload/file/1192867626.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137fe02abfad---6962975909.pdfIn PDF document text
  • http://bkht.vn/userfiles/file/67050581004.pdfIn PDF document text
  • https://vnjhanoi.com/upload/files/1620086048.pdfIn PDF document text
  • http://learningkey.org/userfiles/furevolekekumavudeji.pdfIn PDF document text
  • http://ejmk.com/ej/upload/files/nusewe.pdfIn PDF document text
  • https://lidiyageorgieva.com/ckfinder/userfiles/files/milefi.pdfIn PDF document text
  • http://xn--80aiddhbkcq5bcaz.xn--p1ai/upload/files/ranemenixepisas.pdfIn PDF document text
  • http://fli.edu.mn/ckfinder/userfiles/files/49064944564.pdfIn PDF document text
  • https://corpus.bg/files/fck/file/75743936652.pdfIn PDF document text
  • https://nezrenpin.com/calisma2/files/uploads/73673163379.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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