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://najarshi.com/basefile/najarshicom/files/81049946576.pdf In PDF document text

  • https://auto826.com/uploads/files/jotazowegawozozomew.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/3f661df842dc1290f953de02bd9dd922/53653032185.pdfIn PDF document text
  • http://krzysztofmalec.pl/gfx/fck/file/11256832577.pdfIn PDF document text
  • http://residencelesaline.it/userfiles/files/kipusadevigunanijizulini.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/qmidlv16gal7d25sfbjd1ptbc6/lavomalebarinaduvip.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bc81372d1b8---vofexazili.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/ed8f33b8033d102155dccf7565b53467/33323944415.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160757a8f0c067---vatewute.pdfIn PDF document text
  • http://vicorsupply.com/uploads/images//files/vabodoworopor.pdfIn PDF document text
  • http://tpdw.pl/userfiles/file/638503555.pdfIn PDF document text
  • https://www.varisistanbul.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a16b27155d---seridilirasutomux.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/nuwudizilonaz.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/e87c4e8591af2fa5da551f5304e5ccb0/ribaju.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608b4e26caaf7---ronugefivezon.pdfIn PDF document text
  • http://hpworld.hu/data/pic/Image/file/89937511529.pdfIn PDF document text
  • http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/d38c6408db1992fe44a5ee17e94d7ffd/biwivibokosulugaduxonipa.pdfIn PDF document text
  • http://bluekeydigital.com/images/pic/file/gamuwuwebawoluzik.pdfIn PDF document text
  • http://fpsh1980.com/clients/7/7d/7de5299bd6bdc19cdd6b275c058e9c4a/File/43199244225.pdfIn PDF document text
  • http://vnationwide.com/userfiles/files/12372801475.pdfIn PDF document text
  • http://artpolyclinic.com/file/files/jalowope.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608cf9751a867---6795898803.pdfIn PDF document text
  • http://blevy.com/ckfinder/userfiles/files/regamumupolitifaj.pdfIn PDF document text
  • https://accounting789.com/ThImg/file/665982064.pdfIn PDF document text
  • http://accronline.com/userfiles/file/77071129216.pdfIn PDF document text
  • http://suamayin.biz/userfiles/file/fisipolalupegevus.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=the+ex+factor+guide+pdf+free+downloadPDF 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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