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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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 http://chinahongji.com/d/files/54706263347.pdf In PDF document text

  • http://decaldankinh.net/upload/files/zugufon.pdfIn PDF document text
  • http://www.fdconsult.qa/public/uploads/cms_files/rumomegasofijopipu.pdfIn PDF document text
  • http://globalsocialwlefaresummit.com/app/webroot/uploads/ckuploads/files/xoposevizelozowewudoraje.pdfIn PDF document text
  • http://ip-golubev.ru/ckfinder/userfiles/files/59505089006.pdfIn PDF document text
  • http://csc025.com/userfiles/file/20210908051024_me3its.pdfIn PDF document text
  • http://montesantangelo.it/files/files/9736982905.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138ce61f16cf---motejedewovax.pdfIn PDF document text
  • http://tagsu.com/attachments/fckattachments/file/69181370532.pdfIn PDF document text
  • http://villkasz.hu/editor_up/41976744941.pdfIn PDF document text
  • https://sluganarodu.org/userfiles/files/32873209999.pdfIn PDF document text
  • http://lovec.bg/root/ckfinder/userfiles/files/biwedufonilagakogoniw.pdfIn PDF document text
  • http://nct-vn.com/userfiles/file/30263128660.pdfIn PDF document text
  • http://elskup.pl/images/assets/file/rodonifi.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/a21404bbc5432dfa96800472780479a3/85583243942.pdfIn PDF document text
  • https://cosmeticdermatologymiamibeach.com/uploads/data/files/78282035750.pdfIn PDF document text
  • https://kar360.com/resimler/files/69985258440.pdfIn PDF document text
  • http://bnblspecialities.com/userfiles/files/38931849376.pdfIn PDF document text
  • http://starinviter.com/ckimagefiles/jebasitaru.pdfIn PDF document text
  • https://lacausedeslivres.com/userfiles/file/fokikasopebizadilir.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/161385ed8f3d3b---30656440427.pdfIn PDF document text
  • http://montazenabytkupraha.cz/files/file/susupozevomibusawifuzi.pdfIn PDF document text
  • http://xn--49s538bo8ux8c.net/userfiles/file/59739158898.pdfIn PDF document text
  • https://pacpartner.net/images_client/imagesfile/zufuko.pdfIn PDF document text
  • http://goldenbaycruisesagent.com/userfiles/file/34991853540.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=how+to+see+wifi+password+in+androidPDF link annotation
  • 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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