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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://laborke.ru/uplcv?utm_term=what+does+bonding+teeth+mean PDF link annotation

  • http://bestbuyfromindia.com/userfiles/file/75121328085.pdfIn PDF document text
  • http://eventologia.com/userfiles/files/deferomeponuluzunevi.pdfIn PDF document text
  • https://chaletsuenodesol.de/files/30940037489.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/c862a0ccbeac79ece87313f2b3ccef25/5451469479.pdfIn PDF document text
  • http://studioguidobarbieri.it/userfiles/files/nufodejulumezelomiseweju.pdfIn PDF document text
  • https://rodolphe-blanchet.fr/Rodolphe/fckeditor/file/muzoxokesiwipav.pdfIn PDF document text
  • https://flexrocksrollovers.com/wp-content/plugins/super-forms/uploads/php/files/68klecv6ia983ra2tocbqs81fu/23031518839.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/42572027561.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094981b9b19c---lisetototoxarefal.pdfIn PDF document text
  • https://travelone.ae/userfiles/files/vododulotoxijopo.pdfIn PDF document text
  • http://comlark.ru/userfiles/files/66535182118.pdfIn PDF document text
  • http://ntep2008.com/UserFiles/File/38010265669.pdfIn PDF document text
  • https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/b4b75e26222f99272367d929f3c1fb03/gesabonanoluja.pdfIn PDF document text
  • http://twxcd.com/img-aim/files/duvirezorojipi.pdfIn PDF document text
  • http://bluecreator.biz/ckfinder/userfiles/files/mibokupuxivezoliwepar.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b22ed8eb084---tifubufagi.pdfIn PDF document text
  • https://muacash.com/webroot/img/files/79940546982.pdfIn PDF document text
  • https://flexrocksrollovers.com/wp-content/plugins/super-forms/uploads/php/files/mnr02evmg7cu4ep7m3bbng5u18/56869377031.pdfIn PDF document text
  • https://ytdrive.com/CKEdit/upload/files/27225062205.pdfIn PDF document text
  • https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/5f555e1a6c91c90dfdb8376d05d8b31e/17969634530.pdfIn PDF document text
  • http://museodegliarazzimarsala.com/userfiles/files/42963149707.pdfIn PDF document text
  • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/c7j94raljmb7s4p4a1r2idveme/50955268506.pdfIn PDF document text
  • https://volgogradexpo.ru/ckfinder/userfiles/files/8626317115.pdfIn PDF document text
  • https://matrainagycsalados.hu/userfiles/file/91329181825.pdfIn PDF document text
  • http://honyi.tw/ckfinder/userfiles/file/90863382988.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609a6c08da052---vanoz.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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