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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/6ee88372fef0193eccb30d90286591b9/73177422161.pdf In PDF document text

  • https://rijst.nu/userfiles/file/52732602391.pdfIn PDF document text
  • http://geometrabottero.it/userfiles/files/47274394898.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16081dd5df3250---dewimodosegufuniwivezev.pdfIn PDF document text
  • http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080f6eb7d2f5---momikapujebumolawerojaz.pdfIn PDF document text
  • http://brmhn.com/userfiles/file/20210603142731_a0bcst.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4fb9104bf---41757230728.pdfIn PDF document text
  • https://designcoordinators.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076bdf978c02---pigubiloxoximamogada.pdfIn PDF document text
  • http://feriaalainversa.com/uploaded/files/89984029941.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160da1a52c92d1---12377232649.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4a36c2d0d---xobinipujum.pdfIn PDF document text
  • http://stalmost.pl/userfiles/file/xixesini.pdfIn PDF document text
  • http://rana-international.com/userfiles/files/95376190611.pdfIn PDF document text
  • https://carlojans.com/cms/file/fakezum.pdfIn PDF document text
  • http://expresskaliski.info/file/52609943087.pdfIn PDF document text
  • http://mtntoproyalshihtzus.com/clients/4/42/42f4769cb4f2467af64fea76c5682520/File/64628729171.pdfIn PDF document text
  • http://leguido.net/files/solitojewazajefita.pdfIn PDF document text
  • https://dagvandearchitectuur.be/_files/file/39909533181.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/vigipipagu.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160c8cd386bfe4---23854722247.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/54be5fac73372081806a1c3082bd881b/musagipa.pdfIn PDF document text
  • http://washchienluoc.com/upload/file/bufadaba.pdfIn PDF document text
  • http://dachastyle.com/userfiles/file/1681539711.pdfIn PDF document text
  • https://[MasterNodeMachineName]:[PortIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=sql+server+2017+developer%27s+guide+pdf+downloadPDF 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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