Malicious PDF — malware analysis report

Heuristics 6

• 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 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 http://a-daily.jp/app/webroot/contents_img/files/45405023556.pdf In PDF document text

  • https://verredistri.fr/xmedia/file/9894620319.pdfIn PDF document text
  • https://avukatwebsitesi.kocgrafik.net/upload/files/92690118119.pdfIn PDF document text
  • https://clic-essc.ch/ck/ckfinder/userfiles/files/jovotasu.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dfe6cbf73a---55226751626.pdfIn PDF document text
  • https://godahoian.com/app/webroot/upload/files/selirufumiramujixalexal.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/1487a247e748b5765ea4e7995cb8c521/4643369503.pdfIn PDF document text
  • http://southerncross-ex.com/images/blog/file/fafofetisatarutim.pdfIn PDF document text
  • https://dobre-akce.cz/media/files/file/40182529944.pdfIn PDF document text
  • http://hanasushipickup.com/uploads/files/80786680833.pdfIn PDF document text
  • http://kronospan-mofa.hu/editor_up/purexomakak.pdfIn PDF document text
  • http://atomleasing.ru/media/File/7526903108.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/c464054dfcd548f1773509e4f2e05244/46579988533.pdfIn PDF document text
  • http://coreaad.com/DreamDataUpload/file/55253776703.pdfIn PDF document text
  • https://lifesmart.lifesmart.ro/ckfinder/userfiles/files/guxupituleku.pdfIn PDF document text
  • http://xn--54-dlcdkamdj4btild5b.xn--p1ai/ckfinder/userfiles/files/62051482031.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c96588fc53---80007057042.pdfIn PDF document text
  • http://phanphoiongnhuahoasen.vn/upload/files/87594930319.pdfIn PDF document text
  • http://keacg.com/upload/files/kurunoruk.pdfIn PDF document text
  • http://viajaconsciente.com/imagenes/userfiles/file/zapibem.pdfIn PDF document text
  • https://szemvidito.hu/sfwkr/feltoltesek/Images/Image/lowemuf.pdfIn PDF document text
  • http://infinivideo.hu/sites/infinivideo/files/mupafebokiwe.pdfIn PDF document text
  • http://ageddfjtjgrade.pretty-match.com/upload/files/50826359161.pdfIn PDF document text
  • http://debschoen.com/userfiles/file/voxuvorujidufu.pdfIn PDF document text
  • http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210920090305.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=how+we+can+see+private+account+photos+on+instagramPDF 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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