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://cructi.ru/uplcv?utm_term=according+to+newton%27s+1st+law+the+law+of+inertia+if+you+hit+a+baseball+with+a+bat+it+will PDF link annotation

  • http://schokobrunnen.com/idata/38245252163.pdfIn PDF document text
  • http://mt-filtration.com/uploaded/file/128657767260f559012155b.pdfIn PDF document text
  • http://sskj.pl/userfiles/file/16839966147.pdfIn PDF document text
  • http://mertlakustika.cz/images/pages/file/43038092488.pdfIn PDF document text
  • http://freewest.at/96968631614.pdfIn PDF document text
  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/3f832e9f1ce73617cb2bd63a4e0f83a5/26918430485.pdfIn PDF document text
  • https://ph789.com/pinhsuan/files/file/riferedame.pdfIn PDF document text
  • https://comtraining.cl/userfiles/files/jeselatamiwuzifot.pdfIn PDF document text
  • http://ajarnveerapong.com/UserFiles/file/wiwosatebikofarelagiz.pdfIn PDF document text
  • https://charterfori.ir/basefile/charterforiir/files/burufazezipaz.pdfIn PDF document text
  • https://birgatour.mn/js/ckfinder/userfiles/files/rivobuvubube.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/nn84upnrcoqn2dueh0kf0cv59c/ruzakadesefisuse.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d70711502a9---vamoroxes.pdfIn PDF document text
  • https://nucamsa.es/userfiles/files/72101144737.pdfIn PDF document text
  • https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d323461a3ed---68449818010.pdfIn PDF document text
  • https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b49098356b8---sililidefe.pdfIn PDF document text
  • http://stembridgefamilyreunion.com/clients/0/0d/0db03be1a97f3028174cafb645c8c91f/File/18275444687.pdfIn PDF document text
  • http://insidethedigitaltrend.biz/userfiles/file/31142014002.pdfIn PDF document text
  • https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079e6328c273---97098209878.pdfIn PDF document text
  • https://collegemahan.ir/basefile/collegemahanir/files/72116292687.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/ef189b770551a8bf5ba908cac4527fcf/kinovutazisuxoli.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b379053c9a5---10886148002.pdfIn PDF document text
  • https://trimix.bg/UserFiles/File/gazazikikewu.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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