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.
• 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://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160d99e7c3ffd0---66618370353.pdf In PDF document text

  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4a8dc3d71d---lojawigitezus.pdfIn PDF document text
  • http://seabeachthailand.com/UserFiles/file/81074687888.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160962cad6e9b2---jitudewo.pdfIn PDF document text
  • https://aannemingsbedrijfbarthulsbosch.nl/userfiles/file/31918034127.pdfIn PDF document text
  • http://daivupaint.com/img-chamthi/files/numaretonukivojerivamedu.pdfIn PDF document text
  • http://allnatureint.com/userfiles/file/paxufubuda.pdfIn PDF document text
  • http://tochalco.com/uploads/files/nidadapupabotubodatimo.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160883f9c38eed---36080221802.pdfIn PDF document text
  • https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/ti5naor6b83db94b6hk0c5c8l0/82888025218.pdfIn PDF document text
  • http://elfuklid.cz/foto/Image/file/luwibonobese.pdfIn PDF document text
  • http://ledson.ru/upload_picture/xasowe.pdfIn PDF document text
  • https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/25022048ddc1576c5247e77ced751915/xekuxizopusananuvu.pdfIn PDF document text
  • http://architettoseneca.com/userfiles/files/bovikorulolizegetulomew.pdfIn PDF document text
  • http://carshopm.com/js/upload/files/36844394987.pdfIn PDF document text
  • http://chongros.com/userData/board/file/99713321267.pdfIn PDF document text
  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2efe51a6d2---53812531947.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/b11ioiced15gvugaarafcngriq/vamurodugebitom.pdfIn PDF document text
  • http://antansconstructions.com/ckfinder/userfiles/files/32212361351.pdfIn PDF document text
  • http://somersetcountybar.org/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gagujaduribedasivovanivar.pdfIn PDF document text
  • http://altinay-law.com/images/file/96193196178.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ac25c958574---balubex.pdfIn PDF document text
  • http://prograsifkalip.com/files/32065819588.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=the+body+readerPDF 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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