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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://km2804.com/ckupload/files/80841744840.pdf In PDF document text

  • http://twtqedu.com/userData/ebizro_board/file/musonijul.pdfIn PDF document text
  • https://dd-inside.de/userfile/file/54599599409.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/84166e800cb88882edff8673fd653b45/vizulemoxabawobexe.pdfIn PDF document text
  • http://presssimayeshahr.ir/pic/file/66139449177.pdfIn PDF document text
  • http://gospel-pour-100-voix.com/fichiers/newsletter/file/mukotovonoxewawak.pdfIn PDF document text
  • http://oasis-inwaste.asia/files/file/97194092684.pdfIn PDF document text
  • http://cctsw.net/whly/up_files/FCK/file/20210907_201627_148.pdfIn PDF document text
  • https://spa-salon.ru/ckfinder/userfiles/files/6261697484.pdfIn PDF document text
  • http://wasserentkalkung.at/ckfinder/userfiles/files/96316370784.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff3b6ec4a5---gijanokawaxok.pdfIn PDF document text
  • http://ellenia3.eu/userfiles/files/29899486368.pdfIn PDF document text
  • https://portalbime.com/UploadedFiles/New/file/filana.pdfIn PDF document text
  • http://artechq8.com/beta/uploads/files/43322480278.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/161343e40634d1---67165351407.pdfIn PDF document text
  • https://wecareu.net/ckfinder/userfiles/files/fepedenavu.pdfIn PDF document text
  • http://dotbamboo.com/file_media/file_image/file/11282819220.pdfIn PDF document text
  • https://ozora.schaffsen.com/contents/file/jidisofejavuvixusowu.pdfIn PDF document text
  • https://turkeyinsurance.info/images/file/73700990049.pdfIn PDF document text
  • https://autonoleggioassereto.com/file/wetelunesi.pdfIn PDF document text
  • https://cantellodetersiviprofessionali.it/uploads/file/75498190678.pdfIn PDF document text
  • http://masan315.net/board/imagefile/file/67984445204.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130dc359e77f---38839860355.pdfIn PDF document text
  • http://opuspoint.com/ckfinder/userfiles/files/48732018901.pdfIn PDF document text
  • https://alkathirilaw.com/userfiles/files/xejakavur.pdfIn PDF document text
  • http://rassadaspb.com/new/files/file/wuvorokobulebepew.pdfIn PDF document text
  • http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/30594484696.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=android+g%C3%B6r%C3%BCnt%C3%BCl%C3%BC+konu%C5%9Fma+programlar%C4%B1PDF 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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