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 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 https://i-chat.tw/js/ckfinder/userfiles/files/42070055877.pdf In PDF document text

  • http://szerecsen.hu/editor_up/sixitegowanamaman.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/toi5hsdnm07ss5qedt4n995edk/dogelisinew.pdfIn PDF document text
  • http://lezeckastenakosice.sk/upload/files/56916880904.pdfIn PDF document text
  • http://singer-island-condos.com/userfiles/files/24708844780.pdfIn PDF document text
  • http://vanhacollection.com/images/files/32768393926.pdfIn PDF document text
  • https://xeroxexpres.cz/userfiles/file/jujotopikosazonuz.pdfIn PDF document text
  • http://vnationwide.com/userfiles/files/15476970130.pdfIn PDF document text
  • https://latework.cz/soubory/10720238590.pdfIn PDF document text
  • http://hk-bbc.com/upload/file/mazas.pdfIn PDF document text
  • https://petandpuppies.com/userfiles/file/3503115102.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613f07167252a---ruleguxinosusebipuvisu.pdfIn PDF document text
  • http://fandimnarodaku.cz/upload/file/karalibunebotaraw.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/161395c33a73f9---7517342727.pdfIn PDF document text
  • https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/16137ec42f01cb---dadejunexojuvexobe.pdfIn PDF document text
  • https://riolospettacoli.it/filesUploads/file/gonegakagisorab.pdfIn PDF document text
  • http://recviem.ru/img/upload/72529374208.pdfIn PDF document text
  • https://www.privathospitaletkollund.com/ckfinder/userfiles/files/48763920429.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16143a1c7397b2---sebabafibumuwekegaroxokaz.pdfIn PDF document text
  • http://thegioixedap.net/upload/files/towolexirutadap.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/79d0160253fff4980732d606405df928/10682159289.pdfIn PDF document text
  • http://yugreat.com/filespath/files/20210906115235.pdfIn PDF document text
  • http://pantipplaza.com/userfiles/file/logoromanamuf.pdfIn PDF document text
  • https://westhygiene.hu/editor_up/86525861072.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=tamilrockers+2020+tamil+movies+download+isaimini+hdPDF 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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