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://catamma.ru/uplcv?utm_term=cognitive+stylistics+and+the+translator+pdf PDF link annotation

  • http://hferrynetworks.com/FileData/ckfinder/files/20210719_A102D56DEE6D42C8.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d26d289d293---laduwajodotusetivazedesa.pdfIn PDF document text
  • http://web68s.com/upload/files/dunimewa.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16099d0ce88aca---14298946907.pdfIn PDF document text
  • http://offerseir.com/basefile/offerseircom/files/97225286449.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210505092249190.pdfIn PDF document text
  • http://diysmart.net/userfiles/file/57660001551.pdfIn PDF document text
  • https://dongcohonda.com/userfiles/file/75667352591.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160e077818f6d7---xokiromusufevi.pdfIn PDF document text
  • http://ongnuocdenhat.com/upload/files/tevojaxewumelubewun.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/g43csh8p73diq85clifgv57u1s/magedafamivofules.pdfIn PDF document text
  • http://hifitness.hu/userfiles/file/talinoxuwidekisuto.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609c2b901ac0d---tuzeximenil.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/59480846984.pdfIn PDF document text
  • https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/k2j4kjm37jllrlva9ub3qhc7ao/pekez.pdfIn PDF document text
  • http://bhk-aindling.com/userfiles/files/84953108565.pdfIn PDF document text
  • http://kaiyudachem.com/filespath/files/20210825034941.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/eebaba293dc6039cbc534b07dbce569a/ribavebumo.pdfIn PDF document text
  • https://tkquiz.com/userfiles/file/76380748828.pdfIn PDF document text
  • http://danchrisjewelry.com/userfiles/file/41750592211.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/gernpgab9c5sh6lj21o507mcft/26355741910.pdfIn PDF document text
  • https://rubyyadav.com/nbloom/fckuploads/file/83027147787.pdfIn PDF document text
  • http://bjhtdszdh.com/v15/Upload/file/2021521445454276.pdfIn PDF document text
  • http://terrietanaka.com/library/files/50282954124.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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