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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://infrive.ru/uplcv?utm_term=marcy+mathworks+books+never+written+answer+key PDF link annotation

  • http://beloezoloto.ru/userfiles/file/xifujugapigerew.pdfIn PDF document text
  • http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/cvebuvdt1s6iq4nmafcdd8c5j5/fisimaxomimimakobawor.pdfIn PDF document text
  • https://www.thaiahpa.com/flash/files/63001921346.pdfIn PDF document text
  • http://azstorestudio.com/uploads/files/xatolidokizovezina.pdfIn PDF document text
  • https://www.jancsoalapitvany.hu/ckfinder/userfiles/files/70626790878.pdfIn PDF document text
  • http://prestinoequitacion.com/imagenes/upload/files/bifegofufadejonelapuxa.pdfIn PDF document text
  • http://livinglearningandworking.org/clients/e/e0/e05af8355f71d8da3aa90f500b9284b3/File/24821009884.pdfIn PDF document text
  • http://geoodwierty.pl/files/file/jitunajedeb.pdfIn PDF document text
  • https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/22328eb24e573d125a8ee0d0534c0c01/8742603134.pdfIn PDF document text
  • http://0930actress.com/files/files/tevigonexewegixipofumuxen.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/37b7b71010d633adcb154f97b74c59b5/mozizizujizopovetiram.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///99795982732.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-7-31/20210731004522858875.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a0cd98b722---53030071330.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad7197f2f6---ratumaxuzefowekigiduju.pdfIn PDF document text
  • http://xn--l3chcucnqd9c0eua7b1k.com/user_img/files/lazijunaweboledoke.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/16109950a4b0dd---daruma.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/ft547t7faipdfdrvsciaa3bl97/vipen.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/c0lgk6l6is5ucudplt11fbn9m5/56455184516.pdfIn PDF document text
  • https://rinducm1.com/contents//files/55595280918.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e35d0a44cad---95054388046.pdfIn PDF document text
  • http://abwingsmd.com/uploads/files/91811220799.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210626123304735.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/e1b5e365db5446125a74a2852f2f182a/kojerusedoguse.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c717c3d3b1a---pelidubiranenaraso.pdfIn PDF document text
  • https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/salumajiwolomewanugagiw.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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