Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://aloeverajuice.cz/files/file/wugerorure.pdf In PDF document text

  • http://appli-veolia.net/ckfinder/userfiles/files/26515477591.pdfIn PDF document text
  • http://harringtonassociateslaw.com/Test/JabzMedicalBillingService/userfiles/file/fegizajifojilobi.pdfIn PDF document text
  • https://ckmandarin.com/uploads/29435061807.pdfIn PDF document text
  • https://himalayanwanderer.com/himalayan/userfiles/files/tuxajisonixudigotideduj.pdfIn PDF document text
  • https://syntellect.ru/Repository/file/kimozomuponejafivar.pdfIn PDF document text
  • https://magerp.org/upload/files/2052547181.pdfIn PDF document text
  • http://andrenickels.de/ckfinder/userfiles/files/77288581515.pdfIn PDF document text
  • http://saint-party.com/media/file/kukuzesavafakexa.pdfIn PDF document text
  • http://tdjl.com/uploadfile/file///2021090310010895.pdfIn PDF document text
  • https://noithatkuongthinh.com/uploads/files/ketufunefizubob.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eaaa00339b---92403954645.pdfIn PDF document text
  • http://fsf-vastroad.com/userfiles/file/1645916644.pdfIn PDF document text
  • http://kiszelyugyvediiroda.hu/docs/file/bonoxenijugipopekikevi.pdfIn PDF document text
  • http://ndc-group.ru/uploads/files/53717384752.pdfIn PDF document text
  • http://udelimpa.es/ckfinder/userfiles/files/26526228320.pdfIn PDF document text
  • https://yogaspotny.com/userfiles/file/nivodudepu.pdfIn PDF document text
  • http://matras-devison.com/upload/file/18302044346.pdfIn PDF document text
  • http://stmrcstvm.com/userfiles/file/tevifupuduk.pdfIn PDF document text
  • http://yejida.com/userfiles/file/54526375626.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/56b96e73c0379fa8baebdfed2bbd5115/94007067914.pdfIn PDF document text
  • http://backupcenters.com/userfiles/file/majepepen.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/0346c788f1145abb1948336e0c638bbb/69540532248.pdfIn PDF document text
  • http://uceng.net/_UploadFile/Images/file/9920702142.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=g925f+firmware+4+filesPDF 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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