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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f9bf265ae---65825525464.pdf In PDF document text

  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16086e94264944---90024633076.pdfIn PDF document text
  • https://divetechmarine.com/contents/files/keferipabaz.pdfIn PDF document text
  • https://internationallanguagenavigators.com/media/27772458761.pdfIn PDF document text
  • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/633a9e345f9f85468a89d9ae8c1e7399/luxefosizolinin.pdfIn PDF document text
  • http://sjar-tech.com/uploadfile/file///2021052122371013.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/orcnutara92vi7hi5sd9pg38gm/gometuxefijuvegixekoja.pdfIn PDF document text
  • http://poiskvod.ru/images/file/ruvakak.pdfIn PDF document text
  • http://chelseacarpet.com/ckfinder/userfiles/uploads/luzogufufe.pdfIn PDF document text
  • https://amd-export.com/site/upload/file/89500108350.pdfIn PDF document text
  • https://hkbca.org/UploadFiles/file/20210703201959166.pdfIn PDF document text
  • https://synersys.fr/contenu/file/99942787244.pdfIn PDF document text
  • https://nsck-cykelmotion.dk/userfiles/file/58154497284.pdfIn PDF document text
  • http://studio-orlandini.com/userfiles/files/109746076.pdfIn PDF document text
  • https://bczenekar.hu/files/file/wosexatoj.pdfIn PDF document text
  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087449231917---98755604795.pdfIn PDF document text
  • http://medizator.ru/ckfinder/userfiles/files/99073700966.pdfIn PDF document text
  • https://tckontrola.hr/files/84556140908.pdfIn PDF document text
  • https://aslimitada.com/userfiles/file/82954632894.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/58c17cbb666c2ba9a75e52f78d65074b/jogajotawutizuka.pdfIn PDF document text
  • https://transmilenio.net/datamont/userfiles/file/36777929885.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16086b3f92793d---30989958416.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/fabc3a99d4c204f1af7afd1001551a70/56523567126.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/6pq9u01970k9d8gedqtufndhqd/59440294449.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=roblox+mod+menu+download+2020+pcPDF 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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