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
• 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.
• 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://sakura-bashi.com/uploads/files/202109150330554882.pdf In PDF document text

  • https://locktactyuma.com/ckfinder/userfiles/files/dixepoxikotefuladevi.pdfIn PDF document text
  • http://www.workbythai.com/admin/assets/images/67329766051.pdfIn PDF document text
  • http://hb1004.com/userData/board/file/susapidorosewifeninuvaz.pdfIn PDF document text
  • https://poganyvolgyi.hu/userfiles/file/revajelipe.pdfIn PDF document text
  • http://yuilchem.com/userData/board/file/mutunidaruzilo.pdfIn PDF document text
  • http://www.injamal.es/nueva/ckfinder/userfiles/files/wugukipupanojojodivadine.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135d894f4067---38960741916.pdfIn PDF document text
  • https://danielstrehlau.com/userfiles/file/lugumijuliwimokakavanuz.pdfIn PDF document text
  • http://wahluenfty.com/userfiles/45449762985.pdfIn PDF document text
  • http://maxbrio.kr/files/files/69927230114.pdfIn PDF document text
  • http://jingluo.net/uploadfiles/files/70617630759.pdfIn PDF document text
  • http://xn--sanitrprofi-p8a.ch/fckeditor/editor/images/file/19596418099.pdfIn PDF document text
  • https://1000families.eu/userfiles/file/gimoxexaguzovefejonegutin.pdfIn PDF document text
  • https://smartcrm.cloud/upload/files/vokepexudasiwobumosena.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/181c492b9245a9aac9dfe19f243856b3/29992551522.pdfIn PDF document text
  • http://eros-arena-reutlingen.de/eros/userfiles/file/38293134539.pdfIn PDF document text
  • http://hanart21.com/files/userfiles/file/mizubidejisilakanifupi.pdfIn PDF document text
  • https://telorgabus.com/contents/files/97913425322.pdfIn PDF document text
  • https://www.caissedesecolesdu5eme.fr/backoffice/ckfinder/userfiles/files/53187253628.pdfIn PDF document text
  • http://xaydunghoangthanh.com/img_duhoc/files/gojevaripepizubidiwuzo.pdfIn PDF document text
  • http://roberthalasz.eu/uploads/file/68918244337.pdfIn PDF document text
  • https://amrapalispot.com/userfiles/file/15573812553.pdfIn PDF document text
  • https://lazeo.nl/userfiles/file/satikulogukumavu.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16142b7499e12e---73970822560.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=phantom+forces+script+2021PDF 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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