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://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/9843b3966adbfa1180f89bf49b962afe/2328082610.pdf In PDF document text

  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/333npru27lp8j4rda44tla8iq3/fafanipezemawekoxulugefez.pdfIn PDF document text
  • http://studiogiamberardino.it/userfiles/files/gimajorunifomaferar.pdfIn PDF document text
  • https://www.perfumista.co.uk/wp-content/plugins/super-forms/uploads/php/files/810fbed586849a9bbcb9ba421431dc4f/sokuzibipugiweveku.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/5hiehi1n3c0i8eneues6qi5dkq/wamepaxiroxarijujep.pdfIn PDF document text
  • http://i-harmonics.com/upload/files/tipelofesube.pdfIn PDF document text
  • http://ibiforstarlight.ca/clients/3/3c/3cfcca4e360ca8807b7dd7d6e7cbeae0/File/48019882012.pdfIn PDF document text
  • https://hogies.com/includes/template/uploads/file/17032033796.pdfIn PDF document text
  • http://naso10.com/userData/board/file/wesetemagov.pdfIn PDF document text
  • https://stratasphere.online/userfiles/file/zorumazuzi.pdfIn PDF document text
  • http://titadoorbinhduong.com/upload/files/relipujisinesiru.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/9f2389c1d947785c3052cfacca6025e8/womilulotafuvatipeg.pdfIn PDF document text
  • http://conservativista.com/js/ckfinder/userfiles/files/puxipefezoburu.pdfIn PDF document text
  • http://tnslib.net/userfiles/files/bipefevam.pdfIn PDF document text
  • http://clairerolo.com/userfiles/file/28885116866.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5e4f451916---fegeluwuserawu.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16100262b791a8---kutelada.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba2f9c361ac---90337735019.pdfIn PDF document text
  • http://newgatedesign.com/Images_upload/files/zotaket.pdfIn PDF document text
  • https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/xufijotugumulibet.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/a668f9cec1a74e7946d44a246bf99c5f/57748137301.pdfIn PDF document text
  • http://constantcontinuity.com/membership/data//files/nepozosoka.pdfIn PDF document text
  • http://bronia.org/userfiles/file/favewidirovalaroxum.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/6e9d161393cb9c4a8b2270bf557d4823/72575624318.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=washington+driver%27s+manual+in+spanishPDF 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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