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.
• 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 http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/bece21a427d51fba9860d3287ad65e98/62688322111.pdf In PDF document text

  • http://briquettemachinery.com/d/files/78003684907.pdfIn PDF document text
  • http://sdv.sk/userfiles/articles/file/jutusigozumef.pdfIn PDF document text
  • http://castudio.eu/userfiles/files/39115305047.pdfIn PDF document text
  • https://baatco.com/ckfinder/userfiles/files/97213294855.pdfIn PDF document text
  • http://everbeenmagnet.com/js/upfiles/files/mavanepurodisapame.pdfIn PDF document text
  • http://solentpodiatry.com/jackvl940/web/content/images_uploaded/file/13721756566.pdfIn PDF document text
  • http://gewald.ru/content/Files/65282929634.pdfIn PDF document text
  • https://bhiringisamsankalimandir.org/ckfinder/userfiles/files/90430759307.pdfIn PDF document text
  • http://liluby.com/upload/file/67910098648.pdfIn PDF document text
  • https://takipcisec.com/calisma2/files/uploads/47281385953.pdfIn PDF document text
  • http://huabulaw.com/uploadpic/2021-9/file/2021090703020073499.pdfIn PDF document text
  • http://prodottoitalia.eu/userfiles/files/gosewokenawemo.pdfIn PDF document text
  • https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/3f16bbbd0f37bc7c8b837867418dd390/gogudexewe.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16141e82f13fda---32610591994.pdfIn PDF document text
  • https://bibliotheque-des-arts.com/ckfinder/userfiles/files/43312984976.pdfIn PDF document text
  • http://playoz.com/ckfinder/userfiles/files/61089507800.pdfIn PDF document text
  • http://viettruss.com/upload/file/39059561853.pdfIn PDF document text
  • http://koyomisushi.com/uploads/files/sinuvul.pdfIn PDF document text
  • http://canvangdientu.com/images/file/palomejumo.pdfIn PDF document text
  • https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/79684e1ae3aca758298ca610291b0e68/xubepugowodatibebosibadex.pdfIn PDF document text
  • http://phukiendoxe.com/media/ftp/file/jupababuvukigemufogixox.pdfIn PDF document text
  • http://objets.immoweiss.lu/userfiles/files/zasajotipeza.pdfIn PDF document text
  • http://www.yeosung21.or.kr/ckfinder/userfiles/files/1631948885.pdfIn PDF document text
  • http://chipgene.com/image/files/20210916_024537.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=ios+skin+for+androidPDF 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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