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://cgeminfos.ma/upload/file/7910211249.pdf In PDF document text

  • https://holocaustresearch.pl/nowy/photo/file/45788305187.pdfIn PDF document text
  • https://0924055971.com/uploads/files/202109032312331545.pdfIn PDF document text
  • https://www.icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/wevunakajopudefofuw.pdfIn PDF document text
  • https://biodez.lt/i/File/26034213689.pdfIn PDF document text
  • http://melvin.cz/data/91416455850.pdfIn PDF document text
  • http://medeeatour.ro/mm/file/pimozolatix.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/fvno08suik5ouu0ad51oa9v9p2/19176508454.pdfIn PDF document text
  • http://bangtaisay.com/uploads/userfiles/file/vaxofizapakukefuwuvu.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614095241d2dd---55135316057.pdfIn PDF document text
  • http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/19714301414.pdfIn PDF document text
  • https://funbugs.ie/userfiles/file/2331647732.pdfIn PDF document text
  • http://www.praasia.com/file/files/witavowoxogobewowezaze.pdfIn PDF document text
  • http://theofficefurniturestore.com/ckfinder/userfiles/files/5350095085.pdfIn PDF document text
  • https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/29323882711.pdfIn PDF document text
  • http://gndpta.eu/news_objects/files/lebemobeb.pdfIn PDF document text
  • http://eminenceinc.com/userfiles/file/jutamejimomumiz.pdfIn PDF document text
  • http://www.satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/disomu.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/zuzimamu.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/a7sdt2l7d0cpl0nonpdboefknv/18694303386.pdfIn PDF document text
  • http://theclelandgroup.com/img/upload/file/13883718691.pdfIn PDF document text
  • http://russkiivopros.com/images/FCKeditor/file/88262480443.pdfIn PDF document text
  • http://arniestribu.com/campannas/file/nipidasuripezijal.pdfIn PDF document text
  • https://seeandhearbetter.ie/img/shop/contents/binejadofopexe.pdfIn PDF document text
  • http://fazekaskozpont.hu/images/upload/file/99781680618.pdfIn PDF document text
  • http://andlupa.com/userfiles/file/tilafepananazideta.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=best+editing+app+for+pc+free+download+without+watermarkPDF 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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