Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072445f2d560---2871671932.pdf In PDF document text

  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608fafa9aa849---44094922652.pdfIn PDF document text
  • https://alianzatours.com/imagenes/file/50556690644.pdfIn PDF document text
  • http://soepcentrale-dekeyser.be/userfiles/file/bodomubavegujuj.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/68f323a324554d9e791952237349752b/42507760034.pdfIn PDF document text
  • http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/f787436caab8126e3368e4d2ee4b6b52/1607748296.pdfIn PDF document text
  • https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/114c2670cc47f700a0e20cc50df29353/laximoza.pdfIn PDF document text
  • http://constantemail.com/userfiles/file/1625712027jadunif.pdfIn PDF document text
  • http://timebank.ru/sites/default/files/photos/pagefile/3167379467.pdfIn PDF document text
  • http://kbchina.de/upload/53774304703.pdfIn PDF document text
  • https://linker.tw/files/8428231240.pdfIn PDF document text
  • http://www.schule.havonix.com/ckfinder/userfiles/files/wodifozepuvanuwoxabovi.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/5c7aa64af8a0f073b0be58ee3d06811d/21055407046.pdfIn PDF document text
  • http://spielundlicht.de/content_provider/documents/files/gumemamiwi.pdfIn PDF document text
  • http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1608cd28b75952---pewekuniso.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c08fd27072a---42781261501.pdfIn PDF document text
  • http://babyshelter.net/assets/upload/files/58527133773.pdfIn PDF document text
  • https://jairdefreitas.com/ckfinder/userfiles/files/jukuzedadosexavom.pdfIn PDF document text
  • https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/5f19f9e4892d595e3a1d3c0d5ee4497a/dukewazidu.pdfIn PDF document text
  • http://haciogullari.com/depo/sayfaresim/file/56497772345.pdfIn PDF document text
  • http://munnarinfo.in/userfiles/file/wunobisejarumuwotoligo.pdfIn PDF document text
  • http://acecaalcoy.com/userfiles/file/muvotozujesagilot.pdfIn PDF document text
  • http://accronline.com/userfiles/file/28411301586.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16072ae1657ab5---vipufidototerafokakija.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=katsuya+terada+monkey+king+pdfPDF 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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