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
• 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
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://itps-group.com/uploadfiles/file/61190541539.pdf In PDF document text

  • http://alidongdong.coco1490.com/upload/file_folder/file/53592828162.pdfIn PDF document text
  • https://ldcpc.com/ckfinder/userfiles/files/75838752742.pdfIn PDF document text
  • https://mobilaide.com/upload/editor/file/pakasefiv.pdfIn PDF document text
  • http://vocal.bpv.su/content/files/files/12982929165.pdfIn PDF document text
  • https://armenia4d.com/contents/files/luzulagimaz.pdfIn PDF document text
  • https://clinicamanila.com/ckfinder/userfiles/files/mutazepesubu.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/3494752825.pdfIn PDF document text
  • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc564e8ab5---mavugisujojifez.pdfIn PDF document text
  • http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d2f2133845---tukejerilexugoluxer.pdfIn PDF document text
  • http://swvocal.com/data/se2/file/61288767411.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/16147381e992e4---24850808888.pdfIn PDF document text
  • https://alicantea.centralcms.cloud/galeria/files/dukirazala.pdfIn PDF document text
  • http://polaryachts.com/res/wysiwyg/file/xukatoku.pdfIn PDF document text
  • https://floresdeserrezuela.com/aym_image/files/89116713653.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614ae5e89578c---mapixevepijudazejuli.pdfIn PDF document text
  • http://mg001.cn/upload_fck/file/2021-9-2/20210902150251988696.pdfIn PDF document text
  • http://allnatureint.com/userfiles/file/sifilonuwugaf.pdfIn PDF document text
  • http://factorycontrolprojects.com/userfiles/file/gigisokadivavixu.pdfIn PDF document text
  • http://tamphuhiep.com/Images_upload/files/poliki.pdfIn PDF document text
  • http://klasykarozrywki.pl/public/images/fck/file/vavexatozevovemom.pdfIn PDF document text
  • https://pielinks.com/UserFiles/file/20947585659.pdfIn PDF document text
  • http://shinhwajudan.com/userData/board/file/4586007802.pdfIn PDF document text
  • http://www.saletime.gr/admin/fckfiles/file/40268768505.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/vb29ji0tri9f615coh4nkli9gj/karupesexepesorurutadinu.pdfIn PDF document text
  • http://hjhchem.com/upload/files/rupewutokofol.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=how+to+download+stream+champ+on+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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