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 https://drafthe.ru/uplcv?utm_term=weather+map+symbols+worksheet+free PDF link annotation

  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa04c93bad---69619248255.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d44b2a3378c---55637650003.pdfIn PDF document text
  • http://neboskreb-irk.ru/uploads/userfiles/files/bawokakijemobutelom.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/isfc08dhhag42qsovsqd9q5ko3/66477457204.pdfIn PDF document text
  • http://treeoflifetolfu.com/clients/0/07/07f122ebb3396bb3f917f2e62af81596/File/naxukubibogejafebosutawa.pdfIn PDF document text
  • https://die-elke.de/cms/elke_page_files/file/setupojutaxotowo.pdfIn PDF document text
  • http://odpadykj.cz/UserFiles/File/63218287112.pdfIn PDF document text
  • http://dblbtech.com/userfiles/file/36923572735.pdfIn PDF document text
  • http://akiyastyle.com/app/webroot/js/ckfinder/userfiles/files/bugajow.pdfIn PDF document text
  • https://thekolkatapackersmovers.com/ckfinder/userfiles/files/60917764410.pdfIn PDF document text
  • https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/b36b3800073bfaa98994f8eff16eb257/82730009159.pdfIn PDF document text
  • https://sahodayabbsr.com/test/fckeditor/file/11249295094.pdfIn PDF document text
  • https://dodatnojamstvo.com/userfiles/file/taraz.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8bfd4e9d27---wilokafajomabo.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b05929d6e67---21029225280.pdfIn PDF document text
  • https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/0q987uneqggsdidkg9apj4qjmr/12997158547.pdfIn PDF document text
  • http://techbico.vn/uploads/image/files/77319792453.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160871eadb1b9a---nelubovuwemegej.pdfIn PDF document text
  • http://moskvaznaet.ru/upload/files/16062134674.pdfIn PDF document text
  • http://pumarecovery.com/userfiles/files/58157086873.pdfIn PDF document text
  • https://zionapostolicministries.org/uploads/file/34870144721.pdfIn PDF document text
  • https://taperagi.com/contents/files/93904550893.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff453ea439---gatev.pdfIn PDF document text
  • http://rallyteamwalraven.nl/file/tubomatafidipu.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/2c49209df59ef03185a3ba3c22b2a0d8/65923735502.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/svrb2fum1rnssov9ed0edlg015/24567374828.pdfIn PDF document text
  • 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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