Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 https://synerhu.ru/uplcv?utm_term=ar-condicionado+port%C3%A1til+springer+midea+manual PDF link annotation

  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/5dab8df7298df97e09e5289effe67915/40109596514.pdfIn PDF document text
  • https://landatur.com/files/galeria/files/8121100829.pdfIn PDF document text
  • http://besttailor.info/ckfinder/userfiles/files/pizewetosanezuxobaxe.pdfIn PDF document text
  • http://flexa.cz/docs/file/gitanagukewoz.pdfIn PDF document text
  • http://vonschickenconcord.com/uploads/files/30205888965.pdfIn PDF document text
  • https://local-atlas.ru/userfiles/files/jipelenebufuwasevepavofo.pdfIn PDF document text
  • http://englishplanet.info/ckfinder/userfiles/files/wowarazolapopewoderogufod.pdfIn PDF document text
  • https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/602cf12e898f7ccc7afe3e93c785a675/72097454086.pdfIn PDF document text
  • http://speckrepeg.by/UserFiles/files/70110583536.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a481834b949---bexuluxotufefijupoboke.pdfIn PDF document text
  • http://sushikyototogo.com/uploads/files/dusoxixatusaber.pdfIn PDF document text
  • https://majorsagilekvaros.hu/uploads/file/61470790857.pdfIn PDF document text
  • https://permargi.com/files/galeria/files/65488643873.pdfIn PDF document text
  • http://adbrf.com/files/fckeditor/file/96449960860fa74a1d367a.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160770f8956ed8---69596584200.pdfIn PDF document text
  • https://giolog.biz/images/bulk_images/files/4153962267.pdfIn PDF document text
  • http://challendor.com/fckeditor/upload/file/30518165541.pdfIn PDF document text
  • https://riondene.ch/img/uploads/file/76254392851.pdfIn PDF document text
  • http://onlineticketreview.com/images/file/21819965987.pdfIn PDF document text
  • http://csc0516.com/userfiles/file/20210827231844_f785gz.pdfIn PDF document text
  • https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608693b6f3e1d---91372141691.pdfIn PDF document text
  • https://metal-et-verre.ch/ckfinder/userfiles/files/3474886889.pdfIn PDF document text
  • https://www.tulsarad.com/my_content/js/ckfinder/userfiles/files/92544417521.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/repitefovafumatimavusosal.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/912uk06jtalhvah5soivr8pvj9/kemupopakebod.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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