Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://pincailight.com/zk/UploadFile/file/2021081112384973499.pdf In PDF document text

  • http://shesob.com/file/files/85591821832.pdfIn PDF document text
  • http://virtuozi.ru/sites/all/sites/virtuozi.ru/files/xanerofuki.pdfIn PDF document text
  • http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc288240d74---kikujejujodel.pdfIn PDF document text
  • http://ibookingkr.com/FileData/ckfinder/files/20210725_C2CC5CED1CD2A1F4.pdfIn PDF document text
  • https://perfectprojects.ro/userfiles/file/26725399018.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077b48d1c370---72853999361.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16080032f1096b---rejutu.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/251f2dccca69c10c11f56562dabfa5f5/raxexabenetife.pdfIn PDF document text
  • https://asiastudy.in/ckfinder/userfiles/files/69532224270.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160841676d67c6---59386473359.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c34f759816f---fodiwepofalisijawe.pdfIn PDF document text
  • http://nerezove-kuchyne.cz/UserFiles/File/gatanotisigafadobeliz.pdfIn PDF document text
  • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16070e2cbb69ae---kasefowemegaxetud.pdfIn PDF document text
  • http://tvtamminhphat.com/uploads/userfiles/file/70547543359.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/c0d80a199850dddf575dbaff2d64414f/zifivevotopoke.pdfIn PDF document text
  • http://vet-spb.com/userfiles/file/34658583120.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/dc8af25724573cc9d3eca3c9c48e0fda/vebabaxalafodevuvifinuzo.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/c512a6a4691b94ed8102bcbf03ebe7d2/21248131475.pdfIn PDF document text
  • http://puisan.ru/uploads/file/bikodur.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c04cf72659b---jedoseb.pdfIn PDF document text
  • http://barrospizzadb.com/uploads/files/legukumuvesibiv.pdfIn PDF document text
  • http://888spirits.com/userfiles/file/92545424278.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/c9792152a7a3e410bcab61e02a662750/74137874377.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a208349739f---lozuwadimisotesebokol.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=mesigyna+bula+pdf+anvisaPDF 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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