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.
• PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
  PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
• 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://matricula.arendic.cl/files/21944512420.pdf In PDF document text

  • http://russia-ex.com/images/blog/file/48379902699.pdfIn PDF document text
  • https://bushregenerators.info/userfiles/files/44062629624.pdfIn PDF document text
  • http://tz5168.com/uploadfile/image/2021/09/26/file/20210926_050753_101.pdfIn PDF document text
  • http://vietnam-intraco.com/webroot/img/files/dozezamixobafuwabexetigaf.pdfIn PDF document text
  • http://sanraimundo.cl/dyn/uploads/file/92183548152.pdfIn PDF document text
  • http://rotarybrescello.it/userfiles/files/96093063173.pdfIn PDF document text
  • https://aluvioneschicamocha.sinecsas.com/ckfinder/userfiles/files/lisabopumafonorivonakaw.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1616d49ded6608---razenonanovuxiwosel.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/16161e8f5829f3---95798041719.pdfIn PDF document text
  • https://sgcaregiver.org/contents/files/60274005221.pdfIn PDF document text
  • https://arch.ua/ckfinder/userfiles/files/31668244523.pdfIn PDF document text
  • http://meta-min.com/files/fopimelaxupakagim.pdfIn PDF document text
  • https://refoca.cenacat.org/yiicms/ckfinder/userfiles/files/wubibederose.pdfIn PDF document text
  • http://mastervgtour.by/var/upload/file/furopuduzit.pdfIn PDF document text
  • http://xszhuhai.com/uploadfiles/files/91059439213.pdfIn PDF document text
  • http://chelseafoodmart.com/uploads/files/49855871127.pdfIn PDF document text
  • https://dacola.com/upload/files/82921619831.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/e1a6739bfd83a9d978ee9a91ec42a50f/jelunajitenakukisawifodom.pdfIn PDF document text
  • http://euro-ex.com/images/blog/file/zazulutifo.pdfIn PDF document text
  • https://goodluckfishing.com/ckfinder/userfiles/files/99755714783.pdfIn PDF document text
  • http://mea-travel.pl/userfiles/file/67073072025.pdfIn PDF document text
  • https://leosservices.com/userfiles/file/98455163867.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/RC0zOYPQW8A/uplcv?utm_term=derivation+of+kinematic+equations+for+uniformly+accelerated+motion+pdfPDF 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 extracted file (font_00_sfnt_off0000b6ef.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000b6ef.bin)

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