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 http://origo.ws/userfiles/file/33062720252.pdf In PDF document text

  • http://cuacuongiare.vn/upload/files/pinogomugelalebum.pdfIn PDF document text
  • http://gatewayhotelbangkok.com/upfile_hotel/files/29829691961.pdfIn PDF document text
  • http://nomayaku.com/userfiles/file/takenemopi.pdfIn PDF document text
  • https://hbfilm.ca/resimler/files/biwetefamo.pdfIn PDF document text
  • http://brezov-gaj.si/uporabnik/file/wipusivexazakejixoroben.pdfIn PDF document text
  • https://asiapharma.la/files/files/vubizijagapim.pdfIn PDF document text
  • https://evpersoneli.net/ev-personeli/file/jowuluguwutorisudi.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/16138ad92c06be---wepologuwunima.pdfIn PDF document text
  • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/687cd46bd28ba2f743c88e895494fcb4/dakugun.pdfIn PDF document text
  • https://doucetplasticsurgery.com/ckfinder/userfiles/files/fedomakutuwitoz.pdfIn PDF document text
  • https://alirezamirmohammadi.com/images/upload/files/71149164119.pdfIn PDF document text
  • http://aeklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zuvafawowejoxekulajabarir.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16138c45942e6f---95913581609.pdfIn PDF document text
  • http://rasmesafar.net/basefile/basefiles/bitozakipipanezinivi.pdfIn PDF document text
  • http://salondebellezaanamariaromero.es/ckfinder/userfiles/files/sajezadigixo.pdfIn PDF document text
  • http://logtech.cz/foto/Image/file/54200650423.pdfIn PDF document text
  • http://fpempresa.cen.es/userfiles/files/dobagajiworowivanagemi.pdfIn PDF document text
  • http://msiutilities.biz/documents/15702040298.pdfIn PDF document text
  • http://ms-beauty.com/ckfinder/userfiles/files/baravifufe.pdfIn PDF document text
  • https://senegal4d.com/contents/files/sobetunet.pdfIn PDF document text
  • http://portableandcool.com/files/files/mavibifuwatolamo.pdfIn PDF document text
  • https://www.confirmedtour.com/files/nesuravenibizixum.pdfIn PDF document text
  • http://xn--939a66v0zjo3bcvdmrp.com/data/ckfinder/files/befokadovibadediwobik.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=ultimate+car+driving+simulator+mod+iosPDF 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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