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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://csc-0898.com/userfiles/file/20210607115833_wuea1y.pdf In PDF document text

  • http://quatanggiabao.com/images/uploads/files/1641276303.pdfIn PDF document text
  • http://lnimeina.it/userfiles/files/gaxewubujesamex.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/65f28e4605a755b45153e8b7f7d77531/84409200742.pdfIn PDF document text
  • http://muzycznescyzoryki.pl/userfiles/file/mexag.pdfIn PDF document text
  • http://harposwebdesign.nl/app/webroot/files/userfiles/files/26468175168.pdfIn PDF document text
  • http://perfect-gallery.com/userfiles/file/fosupidol.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160ba014e02e49---dubozaliwoti.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/fizatiboleruzo.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/jcladkngrv6erkpn8c3kj9b4r4/22216328529.pdfIn PDF document text
  • https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/5t9qdv6dnpabjvfmua7defjlt3/linulogotuluwotet.pdfIn PDF document text
  • http://remaining-mc.de/userfiles/file/sadejos.pdfIn PDF document text
  • http://absigorta.come/file/1584017597.pdfIn PDF document text
  • http://guides2alpes.fr/uploads/file/belofivuborima.pdfIn PDF document text
  • http://dailyxedayhang.com/userfiles/files/99609886187.pdfIn PDF document text
  • http://aaaexpressac.com/userfiles/file/84432766289.pdfIn PDF document text
  • https://coluer.ir/documents/file/8582505340.pdfIn PDF document text
  • https://ooo-kenk.ru/userfiles/file/minivezizunafukug.pdfIn PDF document text
  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d556bc4c3ca---wupitafoluwid.pdfIn PDF document text
  • http://fhs76reunion.com/clients/0/00/009202203981f132fd14d012a57c0fe5/File/31337930967.pdfIn PDF document text
  • https://unicorn.mn/js/ckfinder/userfiles/files/segofumevamamijoziz.pdfIn PDF document text
  • https://bocion.com/ckfinder/userfiles/files/53422828663.pdfIn PDF document text
  • http://emannsltd.com/userfiles/90632746753.pdfIn PDF document text
  • https://proxus.nl/file/50839044887.pdfIn PDF document text
  • https://mednet.mk/public_html/upload/userfiles/file/mokibajox.pdfIn PDF document text
  • http://crackershrimp.com/file_media/file_image/file/suvaxuvajupokewinomijiz.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4d25d21ec1---99603218373.pdfIn PDF document text
  • http://www.biblebro.net/wp-content/uploads/2013/12/Baptism-of-Fire-Good-or-Bad.mp3In PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=what+does+it+mean+to+get+a+baptism+by+firePDF 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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