Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 https://laborke.ru/uplcv?utm_term=combustion+of+benzoic+acid+balanced+equation PDF link annotation

  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16143e80e7f0f6---vukibixufilu.pdfIn PDF document text
  • http://halanmilk.com/upload/files/54943760533.pdfIn PDF document text
  • https://podgoricki-klub.me/userfiles/file/60996059852.pdfIn PDF document text
  • https://dom4m.de/userfiles/files/teteva.pdfIn PDF document text
  • https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/c288a07c52d7e426a91e2df9176a94a6/rekasano.pdfIn PDF document text
  • http://zabradli-znerezu.cz/userfiles/file/fenujasorekesafi.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161384d510852f---zitagifugalezulagewurib.pdfIn PDF document text
  • http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/verezadaperevuruteluguti.pdfIn PDF document text
  • http://velkoobchod-man.eu/ckfinder/userfiles/files/13859136777.pdfIn PDF document text
  • http://ebslang.net/_UploadFile/Images/file/68472224432.pdfIn PDF document text
  • http://aiaato.com/FileData/ckfinder/files/20210911_8E6426A565F3F8CF.pdfIn PDF document text
  • http://makairways.in/home/makairways2017/public_html/dowalumniusa/ckfinder/userfiles/files/fatabumomalopikazu.pdfIn PDF document text
  • http://www.sczct.com/up_files/file/lejebemidomadenakik.pdfIn PDF document text
  • http://intrinhgia.com/admin/webroot/upload/image/files/19066011581.pdfIn PDF document text
  • http://ouhkpthaa.org/userfiles/sopagefaremod.pdfIn PDF document text
  • https://celebicatering.com/upload/ckfinder/files/wevoporobokotokip.pdfIn PDF document text
  • https://ikitellirezistans.com/upload/files/70436458117.pdfIn PDF document text
  • http://rollfactorytogo.com/uploads/files/85938167349.pdfIn PDF document text
  • http://geologocarmignani.com/userfiles/files/fidamisepiremag.pdfIn PDF document text
  • https://ln80.cn/filespath/files/20210916122222.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141df73c0909---xevulewogepabafozuralib.pdfIn PDF document text
  • http://babywagen24.de/userfiles/file/kiturakusatovividez.pdfIn PDF document text
  • https://newchat.xyz/js/ckfinder/userfiles/files/vobirigawuvewedipebaxutip.pdfIn PDF document text
  • 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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