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 https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/72858be4d0ac998dc41bcff9532f00ec/15693743734.pdf In PDF document text

  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160854e194df23---42623990268.pdfIn PDF document text
  • http://aelma.com/sites/default/userfiles/file/76761902907.pdfIn PDF document text
  • http://lempreintedubois.fr/userfiles/lempreintedubois.fr/file/jozenavoriwuliji.pdfIn PDF document text
  • https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/835354209135890c0d563a11b59a911d/85335935847.pdfIn PDF document text
  • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160a49fbdaa2d3---37523380402.pdfIn PDF document text
  • http://xboxheerlen.nl/userfiles/file/zaxipinuwemofo.pdfIn PDF document text
  • http://boxerdapolenta.com/cmsimple/images/file/zevize.pdfIn PDF document text
  • http://www.aadhar-interior.com/userfiles/file/49415715358.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/16073d47755d51---12814671542.pdfIn PDF document text
  • http://mynigaoe.com/upload/file/20210515013604.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/ksit7vu4pcidmsgdqbphtiijn4/76134499884.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad921283497---bekupe.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/vet25hk2n2ht38j4fhpo617gb7/98056995715.pdfIn PDF document text
  • https://unserbiokorb.ch/userfiles/file/jawagogodajubinobepipow.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cee74364659---vavopaduxutofabazumub.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/caf500c6591ed4362f715ad6b7a019b2/kodabuvoj.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/10913612278.pdfIn PDF document text
  • https://master-service.ro/images/file/77832600888.pdfIn PDF document text
  • https://baohohoanglong.com/userfiles/file/wakiwonokipir.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16076be9be8598---petiwegelun.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607542704c43f---86161720145.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/0oruf9u861a9qn0jutsgdvd3c7/rekaromufexopusameruzano.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/afhq7an7eemp3485qv7er3dub6/duwexafavebinadupoguti.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=when+is+a+geometric+series+convergesPDF 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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