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://chcial.ru/uplcv?utm_term=coc+apk+hack+download PDF link annotation

  • http://makeyourpartnermelt.com/userfiles/file/56438049154.pdfIn PDF document text
  • https://horacebatten.com/ckfinder/userfiles/files/20196291280.pdfIn PDF document text
  • http://kiiga.ru/userfiles/file/kikitutigi.pdfIn PDF document text
  • http://shiokuda1.com/contents/files/52483154178.pdfIn PDF document text
  • http://burragebrothers.net/demo/jolie/beta/userfiles/files/29053442552.pdfIn PDF document text
  • http://mariopresto.pl/userfiles/file/sabaxop.pdfIn PDF document text
  • https://art4you.sk/editor_uploads/system/files/553904089.pdfIn PDF document text
  • http://trunghungplastic.com/luutru/files/275574539.pdfIn PDF document text
  • https://jesssmithtri.com/jesssmith/ckfinder/userfiles/files/jinenata.pdfIn PDF document text
  • https://slezanie.eu/userfiles/file/11410872544.pdfIn PDF document text
  • http://csc0898.com/userfiles/file/20210908175143_iuwlif.pdfIn PDF document text
  • http://open.ua/uploads/ckeditor/files/30725994051.pdfIn PDF document text
  • https://gplacestracker.com/userfiles/file/posujujor.pdfIn PDF document text
  • http://www.ishvani.com/www/js/ckfinder/userfiles/files/xolerotinuxe.pdfIn PDF document text
  • http://stopguepes72.fr/userfiles/file/90958592325.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/161471cd858007---87528138317.pdfIn PDF document text
  • http://costruzionibulagna.it/userfiles/files/72712281244.pdfIn PDF document text
  • http://liebherr-tr.com/userfiles/file/51499241630.pdfIn PDF document text
  • http://foto-preiss.at/upload_files/files/sexaxevakegojotefexo.pdfIn PDF document text
  • http://rc-modeller.se/images/file///30238121496.pdfIn PDF document text
  • https://tractorpulling-emmeloord.nl/upload/file/kevidilimizul.pdfIn PDF document text
  • https://fulzugaskozpont.hu/files/85175269675.pdfIn PDF document text
  • https://alwaysthesame.pt/site/upload/file/bizogijarup.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f789962388---87536269468.pdfIn PDF document text
  • https://faktxeber.com/resimler/files/zusokizumapabuvefuvozo.pdfIn PDF document text
  • http://teledirk.com/d/files/bozewenuxixawezuxepozosiv.pdfIn PDF document text
  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/4cab344458005c9d4b44b85127e8a565/kifutamadagowi.pdfIn PDF document text
  • 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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