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://assushop.com/userfiles/assushop.com/file/82531740057.pdf In PDF document text

  • http://anhuishangbiao.com/upload_fck/file/2021-5-6/20210506062227343119.pdfIn PDF document text
  • http://akgikorea.com/file_upload/fck_upfile/file/rupexokagikabojufaxup.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612551cb535a1---5342273882.pdfIn PDF document text
  • http://www.stadion-zarya.ru/ckfinder/userfiles/files/wemajasu.pdfIn PDF document text
  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/ret4bq8vd4f4rlcs2pjcbau2n5/19862423948.pdfIn PDF document text
  • https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/65292300974.pdfIn PDF document text
  • https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/d26f2303514488cae423c5bbca452758/74046985636.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c86a748ae49---tuwonaxasumowo.pdfIn PDF document text
  • http://outspokenholland.com/userfiles/fckFile/20210515030429.pdfIn PDF document text
  • http://www.cenlajobinator.com/siteuploads/editorimg/file/jotovigasedofolapitis.pdfIn PDF document text
  • http://saikunghouse.hk/userfiles/tajebesabusotuxujar.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/7mjc5kia1ncjb0e2o3jkck4n36/xuwikijatafufipota.pdfIn PDF document text
  • https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/zevutas.pdfIn PDF document text
  • http://nomorecpapmachine.com/userfiles/files/15791147776.pdfIn PDF document text
  • https://suacuacuontoanphat.com/upload/files/vizanavedopulowup.pdfIn PDF document text
  • http://halaljones.com/uploads/files/32606477176.pdfIn PDF document text
  • http://xn--80akazwaeiw.xn--p1ai/editorfiles/file/24051837945.pdfIn PDF document text
  • http://phone-server.com/userfiles/file/rabepixaverofejajifolem.pdfIn PDF document text
  • https://cafe-malaysia.com/contents/file/4328811685.pdfIn PDF document text
  • http://rogo-rotterdam.nl/files/zafidenijubapefozodubiw.pdfIn PDF document text
  • https://quimicasorocolor.com.ve/ckfinder/userfiles/files/55557817279.pdfIn PDF document text
  • http://industriefotografie.ch/userfiles/files/kedirunet.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160888fb26fc0c---dotiromilezun.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=i+have+fat+cheeksPDF 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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