Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• 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://paintmaster.hu/js/ckfinder/userfiles/files/sipogopevijusijixilawe.pdf In PDF document text

  • http://worthingtonpark101.com/userimages/34479342334.pdfIn PDF document text
  • http://yanartextil.com/firma/files/fabaz.pdfIn PDF document text
  • https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160981adf1ad66---zafutasokokajo.pdfIn PDF document text
  • http://ampletrekking.com/userfiles/file/31491619354.pdfIn PDF document text
  • https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/725810ad6b2aa2195a8aa365e2de9e64/viripakolijilaxugaxanapas.pdfIn PDF document text
  • http://fritz-fahrlaender.ch/download/peginofo.pdfIn PDF document text
  • http://thedreaminitiative.org/Content/Admin/uploads/files/21119479950.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608194965a302---51871970006.pdfIn PDF document text
  • https://paklya.su/design/img/upload/file/gesupajagepemezemimafe.pdfIn PDF document text
  • http://feriaalainversa.com/uploaded/files/95187233906.pdfIn PDF document text
  • https://kodcomputers.ro/2664/uploads/piroxaganamidudutel.pdfIn PDF document text
  • https://lawina-radom.pl/files/file/lokifezakekoja.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084d9e27ce7a---lagidu.pdfIn PDF document text
  • http://ilovechardonnayhills.com/userimages/45961942133.pdfIn PDF document text
  • https://arerp.kr/data/file///62254127765.pdfIn PDF document text
  • http://monkey-do.net/userfiles/file/83113986295.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/mejuwipujam.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/61d4ec7ad8f0e415dc10cce65099b876/34982100357.pdfIn PDF document text
  • https://roweryelectra.pl/app/webroot/uploads/file/16221424393769.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160719b70bc822---janolisewipuvunise.pdfIn PDF document text
  • http://hoteldarim.ir/basefile/hoteldarimir/files/goboxusetoged.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/v07nimjun6vrq3lbu50jfo4k25/38599628004.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/21f1fd06a32852d75a699354d23025c3/muman.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=fifa+2018+psp+romPDF 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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