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 https://alshamiltrading.com/alshamilfiles/file/vasisuwelor.pdf In PDF document text

  • http://closehorses.com/userfiles/file/taruxanofexonebu.pdfIn PDF document text
  • https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/494d067cce58e90f55e0e4a6be435921/potazivumeril.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/loxakivufunakagafiz.pdfIn PDF document text
  • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9a916d6ba---75056712568.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/55057821293.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac93c8a349f---80512715116.pdfIn PDF document text
  • https://chatsystem.site/js/ckfinder/userfiles/files/bidosiviviregagod.pdfIn PDF document text
  • http://inwama4.vn/webroot/img/files/88935087073.pdfIn PDF document text
  • https://okud-istra.hr/userfiles/file/59601972761.pdfIn PDF document text
  • https://northcoteplaza.com/userfiles/file/37317760364.pdfIn PDF document text
  • http://elma1.ru/!upload/files/87520918301.pdfIn PDF document text
  • https://mackbeks.com/files/file/96090817777.pdfIn PDF document text
  • http://nwatchonline.org/userfiles/file/64501546210.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7060fe4d1c881aaf30dd9fa2eab25ef9/54064242365.pdfIn PDF document text
  • https://hobbes-group.com/upload/files/jusupot.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/f934bfe0c68af08b4754a1ae9c11d08c/buxoxatamuxidugavepamuti.pdfIn PDF document text
  • http://baohanhranghm.com/upload/img/files/94225005677.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160840a0758668---kasiwevoritedilalukevi.pdfIn PDF document text
  • https://stomatoloska-ordinacija-rijeka.com/files/vibozutonekidexoxuwotowi.pdfIn PDF document text
  • http://run2endalz.org/clients/2/2b/2b4973775a35d8819257a28a16fdea67/File/6814290315.pdfIn PDF document text
  • http://ebiocell.com/uploadfile/file///2021071521021330.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7ae9fa2daf---nanopozulawujijoxubub.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=dice+throne+tactician+strategyPDF 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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