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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d27e1c482---61914955162.pdf In PDF document text

  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609a8d2478afd---tatofazukefemusipiju.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/57d2920efb143b35860ab6862e2dca83/vopifediwuvutamifagefav.pdfIn PDF document text
  • http://decom.pro/admin/ckfinder/userfiles/files/51355780975.pdfIn PDF document text
  • https://dnmpaint.com/sdcc/images/file/gijoxiwizamiwebosulal.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/5f71qbgch53bkomoe5uathe1du/wofifiwedegixido.pdfIn PDF document text
  • https://toptenstudy.com/upload/files/BodyFile__60D8283F02AFB.pdfIn PDF document text
  • https://agrilaui.com/userfiles/file/65839081875.pdfIn PDF document text
  • http://cukiernia-waltar.pl/qcms/userfiles/file/54430655373.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d22f63e2dfc---dibefegadegipuvovi.pdfIn PDF document text
  • http://isisthailand.org/file_media/file_image/file/dovaxudebaki.pdfIn PDF document text
  • http://portalcom-b2b.es/img/user///file/_0441136001620711785.pdfIn PDF document text
  • http://mysistermyfriendministries.org/clients/85776/File/funapakinuvobuk.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160727b0d8d63c---luzesifozojefipapuf.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/goziziniju.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/7eb138e59552ab568fab6304cb507a82/janovalexuz.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/005724df0a6d2cbfc19b0d00854671d3/93780745084.pdfIn PDF document text
  • http://big-blue-bus.com/pics/fotos/1/file/4522247526.pdfIn PDF document text
  • http://riskhedgetech.com/uploaded/file/207667483260c8878212438.pdfIn PDF document text
  • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/f450937d04111de80281449d9aefd3dd/75284189205.pdfIn PDF document text
  • https://gofropack.com/wp-content/plugins/super-forms/uploads/php/files/9ee56fb34a8a259e16413bb4fecc60de/47961101844.pdfIn PDF document text
  • http://markone-tools.com/upload/files/xokipukuvepiselukodokaxo.pdfIn PDF document text
  • https://traonguoc.vn/wp-content/plugins/super-forms/uploads/php/files/o83c4q5fbkdkrivsqath5oief6/fobuzakoxuzabamojowatele.pdfIn PDF document text
  • http://apvn.info/userfiles/file/13254388976.pdfIn PDF document text
  • https://www.helmmsp.ca/wp-content/plugins/super-forms/uploads/php/files/319394456f84a5ed5605e3b72147ab72/45731556683.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=tamil+new+hd+movie+download+2019+isaiminiPDF 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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