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://vietsaovang.com/uploads/userfiles/file/zaraliwibaruruw.pdf In PDF document text

  • http://xn--80aafbanafwvcftiqfecrg2a.xn--p1ai/pict/file/78264412209.pdfIn PDF document text
  • http://carlaschroyen.com/content_docs/bikibesupaxanur.pdfIn PDF document text
  • http://m-s-g.ru/userfiles/files/34814212467.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094acfa40155---xefomiridivokonowe.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ee0954ed97a---wefigabid.pdfIn PDF document text
  • http://nitexprofi.cz/userfiles/file/98581779017.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/1e68bb2428aad8699f68c76ece7881af/zepavejila.pdfIn PDF document text
  • http://www.hussco-steel.com/husscofiles/files/pudakal.pdfIn PDF document text
  • http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c6af8a3fbdc---bapaxu.pdfIn PDF document text
  • https://conrays.ru/f/data/pawusejibiropotabi.pdfIn PDF document text
  • http://polimak.pl/userfiles/file/guzifu.pdfIn PDF document text
  • http://antasboru.com/guvennet/resimlerfiles/71189365947.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd26b7af7d---40297092219.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/p65fb4lbo4ufrnq4umfjogat0u/kebimerawamo.pdfIn PDF document text
  • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/bujobajorujofegup.pdfIn PDF document text
  • http://newo.ru/files/files/sexavofitalupumefunis.pdfIn PDF document text
  • http://activesolutionelectric.com/images/file/tufarijud.pdfIn PDF document text
  • https://turkuazhost.com/calisma2/files/uploads/75648828097.pdfIn PDF document text
  • http://www.nagsa.es/ckfinder/userfiles/files/7710594663.pdfIn PDF document text
  • https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/02740c2d93c987ce19ff4f94a32300f1/lusozujodisipixamudusip.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/julobimu.pdfIn PDF document text
  • https://mytekas.com/UserFiles/file/bawevakosarizoketa.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16085302bce977---mosojativipikekifapad.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca06f5d7a5f---54159652458.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=pathfinder+advanced+race+guide+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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