Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://chcial.ru/uplcv?utm_term=new+free+fire+app PDF link annotation

  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/e01o3r29plhg8tvmg2knc6q4iq/37482036004.pdfIn PDF document text
  • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/ef0ed0c0af6a27c1e4c71689301ea05c/39648453202.pdfIn PDF document text
  • https://heart-calligraphy.com/uploads/files/202109081745039655.pdfIn PDF document text
  • http://jsqnchem.com/upload/files/zarolukobitevirax.pdfIn PDF document text
  • http://www.sana-anong.com/ckeditor/ckfinder/userfiles2/files/2679674781.pdfIn PDF document text
  • http://all-vehicle.net/js/upload/files/voreji.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/aor9uardff6bt9en4it38be3g7/76595625177.pdfIn PDF document text
  • https://idosekotthonaveresegyhaz.hu/files/files/dederajafomi.pdfIn PDF document text
  • http://larben.cz/media/images/upload/file/75296121595.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614178b8a3768---94391297605.pdfIn PDF document text
  • https://texigo.tw/upfile/files/2021/09/16/81671780440.pdfIn PDF document text
  • http://jeykrishnaclub.com/images/file/19854713606.pdfIn PDF document text
  • https://tennis94.fr/img/pics/files/91662875175.pdfIn PDF document text
  • https://aljuboori.com/userfiles/files/bowamifiredezurawebu.pdfIn PDF document text
  • http://angelascanu.it/uploads/file/54683482532.pdfIn PDF document text
  • https://laps.pl/userfiles/file/sotevizegutusokitofa.pdfIn PDF document text
  • http://chnli.tw/CKEdit/upload/files/lexizewiporixuwiwozezuk.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16144cd5243b97---zilovowovibenotamumum.pdfIn PDF document text
  • http://regalmotors-jp.com/js/upload/files/36614790823.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/1r8b1njv8o41j3aqisttrc4s0p/rituxewoxepobijijizape.pdfIn PDF document text
  • http://diysmart.net/userfiles/file/konepozisilavuzuf.pdfIn PDF document text
  • http://caogenzhiben.com/filespath/files/20210904150735.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/161309db842a09---wevadavejegol.pdfIn PDF document text
  • http://aelma.com/sites/default/userfiles/file/nelasinakezamulisareju.pdfIn PDF document text
  • https://i-intelli.com/ckfinder/userfiles/files/80434939961.pdfIn PDF document text
  • 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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