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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 70 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.
• 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://coretry.ru/uplcv?utm_term=how+to+unlock+all+features+and+data PDF link annotation

  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/161389020cda34---69993367094.pdfIn PDF document text
  • http://saigonford3s.com/uploads/2021-09-18/images/files/fegofaguzor.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1613b61e3e223f---gatifid.pdfIn PDF document text
  • http://glassick.com/userfiles/file/bijemaz.pdfIn PDF document text
  • http://autovoda.ru/upload/files/wadexukorokenoz.pdfIn PDF document text
  • http://bigbulkbags.ahmadpackages.com/survey/userfiles/files/59879911921.pdfIn PDF document text
  • http://flexa.cz/docs/file/83517454126.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/n984msoj9l6c1t43904kudivu3/629026483.pdfIn PDF document text
  • https://highfieldhousehotel.net/nbloom/fckuploads/file/19709618503.pdfIn PDF document text
  • https://ihappywash.com/uploads/files/202109150446511150.pdfIn PDF document text
  • http://creative-format.com/upload/editor/files/85523134141.pdfIn PDF document text
  • https://enilubricant.hoakhanh.vn/uploads/image/files/deralalirabem.pdfIn PDF document text
  • https://nsck-cykelmotion.dk/userfiles/file/96850276479.pdfIn PDF document text
  • https://energiadirect.pl/application/resources/ckfinder/userfiles/files/46007528311.pdfIn PDF document text
  • http://compagniaviaggi.gattinonimondodivacanze.it/themes/userfiles/files/xamazaxupijofekow.pdfIn PDF document text
  • http://lorofilmes.com/Uploads/ckfinder/userfiles/files/4642389844.pdfIn PDF document text
  • https://corcreation.twbiz.me/data/fckeditor/files/20210907_102357.pdfIn PDF document text
  • https://www.blondel-bois.fr/ckfinder/userfiles/files/54842412395.pdfIn PDF document text
  • https://tallerescarrion.com/uploads/file/lugajo.pdfIn PDF document text
  • http://nuestratierrapremios.com/campannas/file/28498022275.pdfIn PDF document text
  • https://manage3.realtourvision.com/rtv/ckfinder/userfiles/images/files/4360146895.pdfIn PDF document text
  • http://mayepnuocmia.vn/data/ckfinder/files/buzonadesexezenakowebuki.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/913dea81f7c3fa956cc40193d7eb1fe7/xoloviworitirenomo.pdfIn PDF document text
  • http://uticachemical.com/files/upload/files/kegonitixulesagekazazo.pdfIn PDF document text
  • https://radmangroup-ye.com/rgfiles/file/nivexuxepovamumarolafigik.pdfIn PDF document text
  • http://dhf-china.com/d/files/fidolasowogoxewuponuvene.pdfIn PDF document text
  • http://gospel-pour-100-voix.com/fichiers/newsletter/file/tiwugenod.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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