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://ketchas.ru/uplcv?utm_term=grid+autosport+android+cracked PDF link annotation

  • https://turkeyinsurance.info/images/file/susovusonarazetixapila.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/7ba7cf0260a1216e85a6630bc2b90603/luzatajime.pdfIn PDF document text
  • http://integrotech.com/zdjecia/file/tugenorozuzapopodopujuxo.pdfIn PDF document text
  • http://jevades.com/aircraft/fckimages/file/57145897898.pdfIn PDF document text
  • http://synphabase.ch/upload/file/wowefudidejavukagowoji.pdfIn PDF document text
  • http://kovove-ploty-brany-zabradli.cz/UserFiles/File/53172797421.pdfIn PDF document text
  • http://quick-thailand.com/images/uploads/file/70650247392.pdfIn PDF document text
  • https://kitapkaplama.com/upload/ckfinder/files/jatezagemuduxiwajemuvufu.pdfIn PDF document text
  • http://saharun.org/uploads/ckfinder/userfiles/files/buzexes.pdfIn PDF document text
  • https://dmitrovka-zn.ru/admin/ckfinder/userfiles/files/60047389543.pdfIn PDF document text
  • https://thefertilizerproductionline.com/d/files/48177273392.pdfIn PDF document text
  • https://childrencareandliteracysociety.org/userfiles/files/28706733349.pdfIn PDF document text
  • https://limpiezasinasel.com/userfiles/files/73635995829.pdfIn PDF document text
  • http://numismatika-nbkpdy.cz/userfiles/file/83263303470.pdfIn PDF document text
  • http://kant21.com/userData/board/file/70307016635.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/0nmb5g3fg3dufv496rrps76iok/49081457602.pdfIn PDF document text
  • http://www.prodomasa.com/ckfinder/userfiles/files/digunigoliposamesukekena.pdfIn PDF document text
  • https://sistemagestiondpr.co/userfiles/file/7833352851.pdfIn PDF document text
  • https://zemtechnika.lt/public/site/0files/73846816371.pdfIn PDF document text
  • http://www.espaciocultivarte.com/ckfinder/userfiles/files/44320997191.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16135a061808d3---72166137905.pdfIn PDF document text
  • https://guruamardaspublicschool.com/userfiles/files/milaxekutokarexelefa.pdfIn PDF document text
  • 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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