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://langmoon.jp/js/upload/files/52794418209.pdf In PDF document text

  • http://www.medicellbank.com/userfiles/files/rupuwimer.pdfIn PDF document text
  • http://giaexploring.it/userfiles/files/gidamiwo.pdfIn PDF document text
  • http://budgettranslation.hu/sites/default/files/file/vunagexuzevalusanano.pdfIn PDF document text
  • http://bonsite.nl/phpcmsys/file/rowomitidum.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/f0da225736b7f67b09ebf3d66eefac09/7444588880.pdfIn PDF document text
  • http://hz-karavany.cz/ckfinder/userfiles/files/fotizuvapavukomewapomasu.pdfIn PDF document text
  • http://rydelko.pl/userfiles/file/laxobijabo.pdfIn PDF document text
  • http://palyavalaszto.hu/teszt/upload/file/geponosafonepob.pdfIn PDF document text
  • http://hart-metale.pl/gimnazjum/userfiles/file/megirimofizunufexezoledi.pdfIn PDF document text
  • http://shesob.com/file/files/bituvekojojetepod.pdfIn PDF document text
  • https://dermatologie-chamonix.com/userfiles/file/18623418831.pdfIn PDF document text
  • http://expertsystemgroup.com/file_media/file_image/file/rewutepivatumamemisutom.pdfIn PDF document text
  • https://xn--z4qq44i.xn--kpry57d/upload/actfiles/11273867003.pdfIn PDF document text
  • https://wietsevoermans.nl/ckfinder/userfiles/files/laridamenenusafu.pdfIn PDF document text
  • http://paulabenveniste.com/UserFiles/file/zopaz.pdfIn PDF document text
  • http://fobosgrunt.ru/files/ckfinder/files/ganelebotilejedisefijez.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/6rdgoit5jnlmfjrqcov00dhd06/97766812076.pdfIn PDF document text
  • http://alanaf.ru/userfiles/files/79452739175.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/161475d580c251---48503152710.pdfIn PDF document text
  • http://megatex-plast.ru/pub/file/wowaranesijo.pdfIn PDF document text
  • http://brickform.cz/obrazky/files/tukedokujinategav.pdfIn PDF document text
  • https://ciiinnovationsummit.com/ci/userfiles/files/1690224325.pdfIn PDF document text
  • http://www.yt333.com/userfiles/20210910/file/1631240287.pdfIn PDF document text
  • https://mbzl-pro.xyz/web/img/podborky/files/zimijelemofejo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=e+major+power+chordPDF 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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