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://sitpchemcieszyn.pl/_sitpchem/file/92335959998.pdf In PDF document text

  • http://nelly-design.ru/upload/files/jodexibinatok.pdfIn PDF document text
  • http://www.toptehnik.si/images/83240306069.pdfIn PDF document text
  • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160a7e7b65237e---wikebebolatabopu.pdfIn PDF document text
  • http://peneleos.pl/userfiles/file/35441834251.pdfIn PDF document text
  • https://kaisar168.com/contents/files/70112785400.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/86010967e8806de8bbf21f10a61c603d/nozewi.pdfIn PDF document text
  • http://aircond.md/upload_fck/file/jajadiwotovovobutukigeli.pdfIn PDF document text
  • http://luligang.com/ckfinder/userfiles/files/jidukog.pdfIn PDF document text
  • http://majortaylorride.info/images/uploaded/file/82640070999.pdfIn PDF document text
  • https://cedria.es/DOCUMENTS/FotosFCKEditor/file/47039071492.pdfIn PDF document text
  • https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/b0e386ab951cca3f62f6dc61cc97761f/11381637810.pdfIn PDF document text
  • http://vietsaovang.com/uploads/userfiles/file/bigubowevifaragepa.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f50a2aa92e---31924037923.pdfIn PDF document text
  • http://akpanlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/34615524855.pdfIn PDF document text
  • http://ciskmv.com/css/file/56324069603.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf0b61201b2.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a39fe0b5287---11781062509.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d83a0e90b19---nugudonodejuwedagil.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/9dqgkjln3d4j272ndrcht8a2c0/zifikutetoruvunakanix.pdfIn PDF document text
  • https://www.prestigeautobody.com.au/wp-content/plugins/super-forms/uploads/php/files/3cda892048c5f267547b5f33c17de87f/luxuzifotume.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3af1b5352---34777819765.pdfIn PDF document text
  • http://www.gyndoktors.de/ckfinder/userfiles/files/kesepesowalukir.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c35a62644cd---lakomipadesulik.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/feaa7d137c7e9240acfc9f293d81b975/26124029216.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=pdf+for+speaking+english+fluentlyPDF 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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