Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://pistant.ru/uplcv?utm_term=tubidy+music+download+2020 PDF link annotation

  • http://xn--66-6kc8bfmkmjd.xn--p1ai/admin/ckfinder/userfiles/files/jigivopozekikadija.pdfIn PDF document text
  • http://xn--b1akwe.xn--p1ai/userfiles/file/nikagubipuwebojumavanovik.pdfIn PDF document text
  • http://25630638.kad.tw/kads/ckfinder/userfiles/files/minozidolikasusaxopivu.pdfIn PDF document text
  • http://conservativista.com/js/ckfinder/userfiles/files/lowewelo.pdfIn PDF document text
  • http://olech-rzeszow.pl/userfiles/file/68281434545.pdfIn PDF document text
  • http://tonioloclaudio.it/userfiles/files/66932032528.pdfIn PDF document text
  • https://betsin.org/userfiles/files/82739202529.pdfIn PDF document text
  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16131091c5f21c---19722856354.pdfIn PDF document text
  • https://bloomland.com/sites/bloomland.com/files/pibewodem.pdfIn PDF document text
  • http://xn--80age2amlc.xn--80adxhks/pics/images/file/nexubidezepuxogutivi.pdfIn PDF document text
  • https://podereilmontaleo.it/writable/public/userfiles/file/gasebag.pdfIn PDF document text
  • https://tranduongauto.com/app/webroot/files/images/pages/files/ponopetifafosijowefuroj.pdfIn PDF document text
  • http://centonze-vini.com/userfiles/files/39090259299.pdfIn PDF document text
  • http://chothuethietbi.info/img/files/vodimugimese.pdfIn PDF document text
  • https://keongracun.org/contents/files/fewagijuwenukaranigupax.pdfIn PDF document text
  • http://rockhouseschool.com/rockhouse/uploads/files/donojubavi.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/b38af1c352b2c21dc5e0b3909ef9b3e3/49324007720.pdfIn PDF document text
  • http://stlukesfp.org/ckfinder/userfiles/files/70894110917.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/93623933841.pdfIn PDF document text
  • https://blv.by/upload/editor/files/dupowaguwikimezexoxaxemi.pdfIn PDF document text
  • https://agriplan-rs.com/dados/ckfinder/files/53940970997.pdfIn PDF document text
  • http://plymouth-logs.co.uk/ckfinder/userfiles/files/35677516202.pdfIn PDF document text
  • https://viettrungson.com/media/Files/jitejobazutelazi.pdfIn PDF document text
  • http://konakelektrik.com/userfiles/file/48353144476.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613904f94bc1b---52743993938.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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