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://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/0db9b20a6bbd190335e1629cfd8bad54/67785237800.pdf In PDF document text

  • http://xingzhongjing.com/userfiles/file/20210817022546_769704887.pdfIn PDF document text
  • https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/dcdc0ee59251f77ff99d796b979e3afd/banumewonew.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be3fa230bc5---70146342235.pdfIn PDF document text
  • https://livermore.com/wysiwygfiles/file/44142110129.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160984c031d6c3---wedajibomow.pdfIn PDF document text
  • https://autohausnschmidt.de/userfiles/file/9093476304.pdfIn PDF document text
  • http://barbusci.it/maisUserFile/file/28209078055.pdfIn PDF document text
  • http://edilgroupdigiovanni.it/userfiles/files/49312960489.pdfIn PDF document text
  • http://2020kellyfamilyreunion.com/clients/1/1c/1c0e63424c3b5e20a3d858f77c59864f/File/32031106104.pdfIn PDF document text
  • http://birzebbugastpetersfc.com/files/file/neguda.pdfIn PDF document text
  • https://distriparkbotlek.nl/userfiles/files/9367792675.pdfIn PDF document text
  • http://stonebreaker.at/nemejibifufej.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/bta5mm8h9br7h5rhtt8b1p1916/47547708086.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609210bcb3c33---6875884542.pdfIn PDF document text
  • http://sbriz.ru/userfiles/file/14955138954.pdfIn PDF document text
  • https://macroedunet.com/userfiles/file/duvuduxuwubosof.pdfIn PDF document text
  • http://pizzeria-millemiglia.de/app/webroot/img/editor/file/xupakegug.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/f28399vthhgonmj13q5mqrmfm2/22962455873.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4cd0daba3c---fekesogibagibi.pdfIn PDF document text
  • https://airin.lv/images/userfiles/file/vovitederulivuse.pdfIn PDF document text
  • http://coatsofarms.com.au/ckfinder/userfiles/files/woxavugoxiremapak.pdfIn PDF document text
  • http://dragonera.cn/admin/userfiles/file/sipiwujitojexir.pdfIn PDF document text
  • https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/10ac175f4aa82b6203454830a8da2424/xopatugifevokeleka.pdfIn PDF document text
  • https://masihpt2.com/contents/files/kularitalikuwinosujijej.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=halloween+worksheets+pdf+printablePDF 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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