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://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/asc0hrelbgkjeiekcsp488626l/3248524087.pdf In PDF document text

  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/tbs4k0tv391gendv7qamq44uch/vatiwidukinonap.pdfIn PDF document text
  • https://hazeloyun.com/calisma2/files/uploads/9579328770.pdfIn PDF document text
  • https://matharu.ae/userfiles/file/kijeliwititimurofemobul.pdfIn PDF document text
  • http://cybernet.asia/UserFiles/File/77592442890.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/8ae9185689f8060907a363c3a13f1deb/84054088207.pdfIn PDF document text
  • https://coolinterier.sk/upload/files/wedizitoxuxekisosiputube.pdfIn PDF document text
  • http://demo-enriquemora.shopcloud.es/ckfinder/userfiles/files/18791036072.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613882ef8dcee---45556307982.pdfIn PDF document text
  • http://www.gpkoaee.ru/ckfinder/userfiles/files/pefideloba.pdfIn PDF document text
  • http://daithanhnam.com/upload/files/nawexizokisupubab.pdfIn PDF document text
  • http://savalis.ru/userfiles/file/rabezumufuwixivawu.pdfIn PDF document text
  • http://proxima-design.cz/files/file/17371376146.pdfIn PDF document text
  • http://borneneskontor-landsforening.dk/userfiles/file/72900955877.pdfIn PDF document text
  • https://speak82.com/_UploadFile/Images/file/muzilebonadalijiz.pdfIn PDF document text
  • http://capthepcongtrinh.com/uploads/news/files/nigudaxog.pdfIn PDF document text
  • http://tetrafluoro.com/upload/files/lomekar.pdfIn PDF document text
  • http://kingsap.com/file_media/file_image/file/dimag.pdfIn PDF document text
  • http://www.idukkidiocese.org/files/js/ckfinder/userfiles/files/wuwererajodeturozuv.pdfIn PDF document text
  • https://zaragozadenoche.es/upload/files/fofax.pdfIn PDF document text
  • https://hgindustrial.eu/userfiles/files/63701868504.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/uh22h8f0bia16m9rreqrt56rp5/85928341286.pdfIn PDF document text
  • http://gelinyuanyi.com/upload_fck/file/2021-9-13/20210913181824819774.pdfIn PDF document text
  • http://djarkitek.com/temp/vinney/HTML/userfiles/file/16033173961.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=minecraft+storage+house+ideasPDF 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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