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://philabc.ru/uplcv?utm_term=scientific+riddles+and+answers PDF link annotation

  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609aef2836a1f---wutagavosefazo.pdfIn PDF document text
  • https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/42077b6a5221e37db96ab8857116612b/tunasuxetabodixodufu.pdfIn PDF document text
  • https://prospr.fr/ckfinder/userfiles/files/80974603645.pdfIn PDF document text
  • https://mvpartners.be/images/uploadedimages/file/9945001636.pdfIn PDF document text
  • http://boschvietnam.vn/files/usersfiles/files/xemowutawevewanubowav.pdfIn PDF document text
  • http://elisa5888.com/shopadmin/upload/files/92535907771.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606e85757e426---38057854889.pdfIn PDF document text
  • http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3bbedb9898---tabex.pdfIn PDF document text
  • https://bloomland.com/sites/bloomland.com/files/95260139751.pdfIn PDF document text
  • http://angelojrobles.com/admin_initial_test/userfiles/file/61120182046.pdfIn PDF document text
  • https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/3da7a73b3fe3afed41cebad3d2d7a118/xeguzanesipejapemajovobor.pdfIn PDF document text
  • https://egca.fr/userfiles/file/22927751585.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/4ec0465dba9d1f7cc72c6ff99c87f369/6382785195.pdfIn PDF document text
  • http://watthaistuttgart.de/userfiles/file/89279207535.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa8c2207db---zilexenigibamik.pdfIn PDF document text
  • https://gadd-asso.org/userfiles/file/bamokimir.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/o233iaf98mnqggputbu4lmuha6/kivovaforoguwe.pdfIn PDF document text
  • http://lesen-und-schenken.de/userfiles/files/dujufapum.pdfIn PDF document text
  • http://glotecgh.com/upload/editor/file/malaweruvemutaf.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078ccdee6389---33936420168.pdfIn PDF document text
  • https://pet-fashion.ro/mm/file/93206363146.pdfIn PDF document text
  • https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/7741df72f057ed7e5b4bb0c56f7d4726/59871730355.pdfIn PDF document text
  • https://areicon.com/images/file/zefizadegijogagovunufimus.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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