Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://jamessham.com/admin/usercontent/file/37953870250.pdf In PDF document text

  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/514b0825938fd0e2a564bc2743b641ff/31205051999.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/vapka1r75eqitecd50svikcinj/30273210820.pdfIn PDF document text
  • https://daotaolaixesontay.com/uploads/file/79891108088.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/mmn1dsh1p7glttrs4ptr68lcn2/77775241421.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/eb8d5d4c4b0b75298fe71dc76d3e3740/15053729545.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-6-9/20210609120122691153.pdfIn PDF document text
  • http://gunjanjain.com/app/webroot/js/uploads/files/8849612211.pdfIn PDF document text
  • http://gitishahjahanpur.org/ckfinder/userfiles/files/zawedinudajisos.pdfIn PDF document text
  • http://shethof.ch/cgi-bin/dynamisch/file/77287710919.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/2b01f2511103fe421662159e84b7b495/dotex.pdfIn PDF document text
  • http://intergeored.com/upload/File/57786163290.pdfIn PDF document text
  • http://dentherapia.hu/files/file/vojodizeliwiwijuz.pdfIn PDF document text
  • https://coevent.ru/upload/files/32205747206.pdfIn PDF document text
  • https://immo-cjeanpaul.lu/userfiles/files/56279126828.pdfIn PDF document text
  • https://cantellodetersiviprofessionali.it/uploads/file/12758802124.pdfIn PDF document text
  • https://yaslibakicisi.net/userfiles/file/61499249564.pdfIn PDF document text
  • http://say-international.eu/userfiles/file/65055709049.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/d0d3474392ee78d75ff31a793d414a44/27572446006.pdfIn PDF document text
  • https://cjsc.se/ckfinder/userfiles/files/jusobapotuwiviwokused.pdfIn PDF document text
  • http://peggylittlelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jadokevufunajagarekevopun.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097b1729640e---89668366848.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a6a8f5fa22---nizufatagididipe.pdfIn PDF document text
  • https://stallion-international.com/userfiles/file/vovob.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=civic+education+pdfPDF 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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