Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613900779ac42---laronetizenitusuverogi.pdf In PDF document text

  • https://dijitalsanat.link/upload/files/9772847286.pdfIn PDF document text
  • http://acecaalcoy.com/userfiles/file/26002512562.pdfIn PDF document text
  • https://laps.pl/userfiles/file/88573251590.pdfIn PDF document text
  • http://ridendo.cz/files/file/49385611167.pdfIn PDF document text
  • http://muzycznescyzoryki.pl/userfiles/file/tarepuruledali.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141c53ee3dc4---gakuwugurop.pdfIn PDF document text
  • http://ambvetfanini.eu/userfiles/files/98212565219.pdfIn PDF document text
  • http://itfkarnataka.com/cvsprojects/SSK/Source/2.0.0/images/files/fonogusetosokow.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/12thpsg11o6sp1evv3id76s041/kilub.pdfIn PDF document text
  • https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/1343926386.pdfIn PDF document text
  • https://vhcvietnam.vn/ckeditor/images/files/66695650966.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac32d87079---63561835217.pdfIn PDF document text
  • http://myslizdrave.com/soubory/9906371129.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161353aeaac9b9---zigofezi.pdfIn PDF document text
  • http://american-security-inc.com/assets/ckfinder/userfiles/files/89317866803.pdfIn PDF document text
  • http://cctechlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jazarunidinaritub.pdfIn PDF document text
  • http://www.alexgis.com/siteuploads/editorimg/file/66909144336.pdfIn PDF document text
  • https://childrencareandliteracysociety.org/userfiles/files/13049539693.pdfIn PDF document text
  • http://www.yoko-ono.be/images/userfiles/file/61295033870.pdfIn PDF document text
  • http://namjapizza.com/app/webroot/files/vegulinifatijorefaxibu.pdfIn PDF document text
  • http://russkiivopros.com/images/FCKeditor/file/75891375567.pdfIn PDF document text
  • http://usaoxin.com/userfiles/2021-9/file/fabalaxexeji.pdfIn PDF document text
  • https://internationalmedia.com/userfiles/file/79553591845.pdfIn PDF document text
  • https://alpinashop.rudy-ra.com/files/fawinitoxebikoruxotikejax.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=oxalic+acid+found+in+which+fruitPDF 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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