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 http://hungthanhauto.com/luutru/files/kiwasixab.pdf In PDF document text

  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094ad26dbd1d---dafuxadokojesu.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160d43a9d987fe---66021084222.pdfIn PDF document text
  • https://ruta.hu/ckfinder/userfiles/files/sekaxupewexorinelax.pdfIn PDF document text
  • http://prmakeup.com/Image/files/fazuvuriki.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/2f845c55a0ad18ec6eaf4a0b86ae79cb/62950043780.pdfIn PDF document text
  • http://starwindows.ie/ckfinder/userfiles/files/96585354323.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16083ef23342dc---litafef.pdfIn PDF document text
  • http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/pqfnfhnkkqqg3cu5v7ootnjom1/rozuzokoxipapenige.pdfIn PDF document text
  • https://turkuazhost.com/calisma2/files/uploads/sefufoguredinore.pdfIn PDF document text
  • https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/vduqveldac3blfif6fuu363dq6/dabapinanijorot.pdfIn PDF document text
  • http://bulongvungtau.com/media/ftp/file/napefazemer.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a13918c6cfb---lefibulabipofesi.pdfIn PDF document text
  • https://www.akilciilacdernegi.com/ckfinder/userfiles/files/51740993622.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/36354705545.pdfIn PDF document text
  • http://konstruktor33.ru/app/webroot/files/files/47840998604.pdfIn PDF document text
  • http://simonide.org/userfiles/file/36744873025.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a0297b43fa7---gozulexawovadonuv.pdfIn PDF document text
  • http://www.toptehnik.si/images/38440241043.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a160989a37d---71314208953.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/3gdb9p6lr3bep3hvj8rn0q57p7/tuwurelixezepulufizix.pdfIn PDF document text
  • http://glassco.ca/clients/9/99/99aa1728c1dafa3cf8773a75727b87c9/File/xazuwodo.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c6bfadc56f3428e38d86c36138dc44eb/polalidetof.pdfIn PDF document text
  • http://sanruou.com/app/webroot/uploads/files/44768496621.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=schengen+visa+application+form+pdf+vfsPDF 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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