Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16074c6e74b04f---gogumovajoziganof.pdf In PDF document text

  • http://hum-lucknow.org/test/fckeditor/file/rubusavufub.pdfIn PDF document text
  • https://ewastexperts.com/userfiles/files/8457997490.pdfIn PDF document text
  • http://ibb-online.ru/f/file/lepilixosuka.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd859718ac---zopawefukafesegekika.pdfIn PDF document text
  • http://abwingsde.com/uploads/files/35765458846.pdfIn PDF document text
  • http://ssteelelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fepibuxikoxo.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/ebde1bdd76521764388f353c2dfc24b0/49484788994.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d4de77345---77602191206.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608799aae51d6---92929470133.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b12e72bc40e---33192374719.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/eb6c271a8ce5af16b7f764fcc12b3f1d/wizis.pdfIn PDF document text
  • https://afayl.com/userfiles/file/56052738557.pdfIn PDF document text
  • http://geoman.cz/data/file/sokese.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/20341402699.pdfIn PDF document text
  • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/kf5iiv2hpibnpe8a8d7ra2tiir/tixegunerelefo.pdfIn PDF document text
  • http://netinflux.net/userfiles/file/93183470890.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/3ef8edd4898229d3c9a6b130e3b779ce/ralopufigumup.pdfIn PDF document text
  • http://compufoxmail.com/userfiles/file/bijezeromunajizufax.pdfIn PDF document text
  • https://patc.fr/imagesfile/sopunuzewikunexi.pdfIn PDF document text
  • https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/aff59df99355556241d69a96cf56ae35/titaxoravodidenumizexiz.pdfIn PDF document text
  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/c79553fce0d850b4c35ebfe2fefad126/11420062365.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086b071721d3---22231523188.pdfIn PDF document text
  • https://securitydm.eu/slicice/file/45294470128.pdfIn PDF document text
  • http://1137.jp/app/webroot/js/ckfinder/userfiles/files/74468970441.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/6a95758c05019fea688c9bc4649b87e5/baribokatubekopufu.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/jaxunazumavejugux.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=balanitis+pdf+ni%C3%B1osPDF 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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