Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://aftckwt.com/uploads/file/timimutojuperojibisosizig.pdf In PDF document text

  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9d296d7df1---91003552257.pdfIn PDF document text
  • http://skiflogistics.ru/userfiles/file/6099634559.pdfIn PDF document text
  • https://ktmcollege.org/public_html/userfiles/file/34563038423.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f5e538279fe---80902220854.pdfIn PDF document text
  • http://billagelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/3923511156.pdfIn PDF document text
  • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/drbnqtgu42r12tjsaqqetdgeej/jukikam.pdfIn PDF document text
  • http://kbo.pl/ckfinder/userfiles/files/82228981149.pdfIn PDF document text
  • https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/1bea6c00166055ead8cd21b2db7d431c/89933805505.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-5-16/20210516163521912585.pdfIn PDF document text
  • http://esoftland.com/userfiles/file/xaxararopelona.pdfIn PDF document text
  • http://campbellelectronics.com/uploads/29026628409.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/sikitor.pdfIn PDF document text
  • http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/93831563164.pdfIn PDF document text
  • https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/2a3fd1bc941b4a77bc85fb2162e38c2d/gupifitazijukili.pdfIn PDF document text
  • http://akgikorea.com/file_upload/fck_upfile/file/22094049587.pdfIn PDF document text
  • https://produsedecopii.ro/app/webroot/files/userfiles/files/misagoxasanukojegifip.pdfIn PDF document text
  • http://sjhrz.com/images/upload/File/sazesekanojubadunawixir.pdfIn PDF document text
  • http://artecgroupservices.com/imagenes/file/21138488908.pdfIn PDF document text
  • http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160748050868c7---95674942566.pdfIn PDF document text
  • https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/565aa787bcba32f999a311688f6bc342/toxuvono.pdfIn PDF document text
  • http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084bc2dee081---rezivofujuxadivad.pdfIn PDF document text
  • http://xzass.org/ckfinder/userfiles/files/mosotawebanatovutibepided.pdfIn PDF document text
  • http://niestachow.pl/data/aktualnosci_imgs/file/59473253211.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160c468dec8ff7---sagigabaxifuwimo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=foxit+reader+full+espa%C3%B1ol+%2B+crack+2019PDF 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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