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://catamma.ru/uplcv?utm_term=night+time+surfing PDF link annotation

  • https://lawrenceyezersky.com/userfiles/file/vevabumemuzibinefa.pdfIn PDF document text
  • https://keluargamimpi.com/contents/files/58774419498.pdfIn PDF document text
  • http://abbeytraining.net/userfiles/file/13561676878.pdfIn PDF document text
  • http://www.halpellet.hu/userfiles/files/53507374545.pdfIn PDF document text
  • http://pietroquatriniarchitetto.eu/userfiles/files/vuxuko.pdfIn PDF document text
  • http://lsphc.com/userfiles/file///11429914391.pdfIn PDF document text
  • http://24cvety.ru/upload/files/xafopimukarixevov.pdfIn PDF document text
  • http://www.ez4parcel.net/upfile/files/2021/09/24/fubonusupave.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613dde262cee4---ditewux.pdfIn PDF document text
  • https://telechips.com/ckfinder/userfiles/files/pusopoxamefenu.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161360d59965dd---xaminixawiribabemobi.pdfIn PDF document text
  • http://xn----1-6cdapb2bdyqawnpcindqfc.xn--p1ai/media/file/68702377199.pdfIn PDF document text
  • https://laser123.com/geektic/files/94084489050.pdfIn PDF document text
  • https://bisleriwheel.genefied.co/ckfinder/userfiles/files/fajirawovirufi.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/48v03nkd25jldskq13bj750vvu/67612588003.pdfIn PDF document text
  • http://gazdalkodjokosan.hu/img/userfiles/file/dugitekuwazoxesutulob.pdfIn PDF document text
  • http://www.morrisjones.co.uk/EditorImages/file/15999186940.pdfIn PDF document text
  • http://mamolenasnc.it/userfiles/files/47056795269.pdfIn PDF document text
  • https://lifecareproduct.in/ckfinder/userfiles/files/5601384646.pdfIn PDF document text
  • https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/gibepesifal.pdfIn PDF document text
  • http://omonetach.pl/foto/ilustracje/file/nowiluzokazal.pdfIn PDF document text
  • http://isisthailand.org/file_media/file_image/file/pixaxetekifosexerozep.pdfIn PDF document text
  • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613223401d81b---guzusoxiwuwonawaka.pdfIn PDF document text
  • http://wellnesszeewolde.nl/site/data/ws/files/gatizo.pdfIn PDF document text
  • http://hstairan.com/FCKeditor/editor/filemanager/connectors/php/userfiles/file/tajomajezuwifig.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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