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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://www.kindspring.org/inc/ckfinder/userfiles/files/jufawexuzulomilowanud.pdf In PDF document text

  • http://www.jobsincrete.gr/images/_user_na/file/91012667546.pdfIn PDF document text
  • http://hanahana.vn/media/ftp/file/luroredibe.pdfIn PDF document text
  • http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/lawakumirasiwixenazafaz.pdfIn PDF document text
  • http://www.pacautomarketing.com/file/616962225.pdfIn PDF document text
  • http://swhos.com/upload/files/98687806604.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/161a0865b17c37---vufajorisetugewodiz.pdfIn PDF document text
  • https://ceral.pl/ceral/pliki/file/vogagar.pdfIn PDF document text
  • http://poiskvod.ru/images/file/38825306560.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1618ca5fd107eb---bigapadilidoso.pdfIn PDF document text
  • http://18554080.com/userfiles/file/23709827972.pdfIn PDF document text
  • https://avenue102.com/uploads/file/jinuvekabuzuxalora.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16148d5419d499---mukenobasexikonila.pdfIn PDF document text
  • https://fenixfalt.com/userfiles/file/lanozakapepomudaxikisi.pdfIn PDF document text
  • http://birnagarcollege.in/userfiles/file/71985565131.pdfIn PDF document text
  • http://gintaras.cz/userfiles/file/fagawuzikul.pdfIn PDF document text
  • http://bakefruit.com/uploads/files/202109060322393004.pdfIn PDF document text
  • http://beming.com/ressource/site-image/files/98859727938.pdfIn PDF document text
  • http://mkpstroitel.ru/upload/files/12373385540.pdfIn PDF document text
  • http://htk2.altrodesign.eu/ckfinder/userfiles/files/saxulamirofano.pdfIn PDF document text
  • http://omonetach.pl/foto/ilustracje/file/noxoxunawag.pdfIn PDF document text
  • https://mma-montessori.com/admin/ckfinder/userfiles/files/tuwirexafenevuxefuw.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/hgctppplkkf0ltrs7vp9k8b2hd/galorurokebifelemi.pdfIn PDF document text
  • https://www.ruchya.com.tw/upload/files/94137366895.pdfIn PDF document text
  • http://kleiberit.ru/files/file/babuk.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/1hHberoKktI/uplcv?utm_term=manual+navision+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 extracted file (font_00_sfnt_off0001d4cc.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0001d4cc.bin)

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