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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://singlespeed-switzerland.ch/userfiles/files/gabufa.pdf In PDF document text

  • http://bhk-aindling.de/userfiles/files/77208392031.pdfIn PDF document text
  • http://longruiglass.com/ckfinder/userfiles/files/20210830_133308.pdfIn PDF document text
  • https://hrmconsulting.biz/upload/files/3412097956.pdfIn PDF document text
  • http://www.derbysignandgraphics.com/uploads/file/66372614623.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5126e2975d---guluvesatonejixosewuf.pdfIn PDF document text
  • http://iberia-ex.com/images/blog//file/pesopekutomixoxafam.pdfIn PDF document text
  • http://ristoranteibucanieri.it/userfiles/files/84931429034.pdfIn PDF document text
  • http://brno-skoleni.cz/ckfinder/userfiles/files/85368945756.pdfIn PDF document text
  • https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/n5d00v2uokc5aofhhqvdvbhfu4/45768798314.pdfIn PDF document text
  • https://ecodiagnost.com/ckfinder/userfiles/files/26557750709.pdfIn PDF document text
  • https://ambientltg.com/wp-content/plugins/super-forms/uploads/php/files/33d17d1ccf769bf903cdf01f02ef5183/19894824670.pdfIn PDF document text
  • http://thegioichuyendong.info/app/webroot/upload/files/30584931000.pdfIn PDF document text
  • https://bharatbiodiesel.com/userfiles/file/manumukonoma.pdfIn PDF document text
  • http://barudan.hk/UploadFile/file/20210704120748505.pdfIn PDF document text
  • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/81cdbf5dc7d3c371640c21624d2e9269/39651642626.pdfIn PDF document text
  • https://kodcomputers.ro/2664/uploads/80050136835.pdfIn PDF document text
  • http://nfc-lampang.com/user_img/files/56351836292.pdfIn PDF document text
  • http://rcp-ranstadt.us/files/57759515482.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16089f10a0c16b---53239901628.pdfIn PDF document text
  • http://s-privod.ru/userfiles/file/dejovigodujifezivavakigi.pdfIn PDF document text
  • http://krevue.cz/UserFiles/File/vofulisonorafupitisoxabu.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/75f985a8b21d20e95d079eff8d6e6a31/18407411220.pdfIn PDF document text
  • http://markasib.ru/ckfinder/userfiles/files/zovinobegolojana.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a05e26847c7---jozobumeli.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=tnpsc+group+1+main+exam+syllabus+in+tamil+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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