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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://archism.ru/uplcv?utm_term=do+i+have+a+qr+scanner+on+my+phone PDF link annotation

  • https://viettincapital.vn/upload/files/zapewizisasofe.pdfIn PDF document text
  • http://amuseonline.com/absite/userfiles/file/34891544851.pdfIn PDF document text
  • http://mauthietkedep.info/upload/files/maniliz.pdfIn PDF document text
  • http://chaodontuonglai.vn/uploads/ck_upload/files/sazasabuwefukusupazere.pdfIn PDF document text
  • http://csc-0411.com/userfiles/file/20210912154622_b3hpt8.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/161317f59d7966---43950666143.pdfIn PDF document text
  • http://thecargonepal.com/userfiles/file/kavemekapidibok.pdfIn PDF document text
  • http://bzws.zhanyougame.com/ckfinder/userfiles/files/10464277018.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613453e24fc94---97955550836.pdfIn PDF document text
  • http://bordahusfeldolgozo.hu/editor_up/10042055350.pdfIn PDF document text
  • http://zhongjiukeji.com/upload_fck/file/2021-9-5/20210905161258304219.pdfIn PDF document text
  • http://zoncmswebsitebeheer.nl/files/editor/file/jemavawukavisesuka.pdfIn PDF document text
  • http://mabo-meccanica.eu/userfiles/files/jinadezadugusatovenoji.pdfIn PDF document text
  • http://www.primariasantana.ro/uploads/file/fomutenuwitemum.pdfIn PDF document text
  • https://sushixusa.com/userfiles/files/gelafadideduletogemorumi.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/5bc6e92e4b020437c9d78c16fe175315/jawazewalis.pdfIn PDF document text
  • http://hbtsap.com/Upfiles/news/file///bidiriliso.pdfIn PDF document text
  • https://jmclimatizacionhvac.cl/images/subidas/file/nugotevalo.pdfIn PDF document text
  • https://suksesunited.com/contents/files/43435899662.pdfIn PDF document text
  • http://togclick.com/media/userFckfiles/file/35197020219.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/de85e771458029b18703e8a1a4bbfd6c/17472948662.pdfIn PDF document text
  • https://unitjaya.com/contents/files/vowivu.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136b3583dfef---wanav.pdfIn PDF document text
  • https://www.restaurant-latableedevercel.com/ckfinder/userfiles/files/kizilida.pdfIn PDF document text
  • http://ketoanantamhcm.com/uploads/files/35674324017.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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