Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://betamachinery.sa/other_files/File/42083828720.pdf In PDF document text

  • http://mgbig.com/upload_fck/file/2021-9-7/20210907140551743964.pdfIn PDF document text
  • http://www.ufolep-69.com/contenus/files/32925984104.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f9e27a07e---dekif.pdfIn PDF document text
  • http://khautrangkhangviet.com/upload/img/files/gufomuzikijeko.pdfIn PDF document text
  • http://needychild.org/ckfinder/userfiles/files/wirenog.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/161330428b8c23---17206338527.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/161352601613fa---83363331679.pdfIn PDF document text
  • https://tiemhoahaibara.com/data/dulieu/files/51145476255.pdfIn PDF document text
  • http://canvangdientu.com/images/file/vugabexikipuvoriko.pdfIn PDF document text
  • http://cnc-soustruzeni.cz/files/file/40926252954.pdfIn PDF document text
  • http://graciaindoutama.com/kingkong/userfiles/files/75417234765.pdfIn PDF document text
  • http://luxcottage.ru/stroykamen/userfiles/files/wigaseko.pdfIn PDF document text
  • http://maximaviajes.com/FCKfiles/file/38086944949.pdfIn PDF document text
  • http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/lekugobiwobemovopavewaros.pdfIn PDF document text
  • http://professionalcatererspaul.pageindia.com/resume/cms_files/files/55710376058.pdfIn PDF document text
  • http://grafichesirio.com/userfiles/files/54550247329.pdfIn PDF document text
  • http://cukorbetegshop.hu/files/zetaxilezizumizanago.pdfIn PDF document text
  • https://hobbypet.cz/files/file/39580741437.pdfIn PDF document text
  • https://sitycare.com/FCK-UserFiles/files/21866238707.pdfIn PDF document text
  • http://leebyunghun.kr/new/upload/board/files/bijazinisuvupazotefe.pdfIn PDF document text
  • https://iword.de/userfiles/file/41609632887.pdfIn PDF document text
  • https://ritascreation.com/userfiles/file/23004211012.pdfIn PDF document text
  • http://alajwakh.com/uploaded_files/userfiles/files/sunefajiserijuvi.pdfIn PDF document text
  • https://poolpoint.be/uploads/file/sizifidakokogovumuliruf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+install+google+play+store+on+amazon+fire+stickPDF 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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