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://medvor.ru/uplcv?utm_term=battleheart+legacy+mod PDF link annotation

  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/21584323797.pdfIn PDF document text
  • http://ramenzoni.eu/userfiles/files/lozakisobunumibe.pdfIn PDF document text
  • http://ceramkgres.ru/userfiles/file/51932907013.pdfIn PDF document text
  • http://www.zywawiara.pl/pliki/39044968014.pdfIn PDF document text
  • http://kalikraft.com/images/file/25633748164.pdfIn PDF document text
  • https://wendi101.com/userfiles/file/60225756111.pdfIn PDF document text
  • http://hotelalbicia.com/userfiles/file/12468065378.pdfIn PDF document text
  • http://marketingnews.fr/images/file/33420624194.pdfIn PDF document text
  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/dc38c0b42b546ffb25c52cf59a5ce39f/60214815053.pdfIn PDF document text
  • https://hobbes-group.com/upload/files/35102485553.pdfIn PDF document text
  • http://www.sictombbi.fr/ckfinder/userfiles/files/41836604009.pdfIn PDF document text
  • http://lindendirect.com/ckfinder/userfiles/files/labogirosa.pdfIn PDF document text
  • http://inica.org/files/file///bivoterufulezi.pdfIn PDF document text
  • http://inimtrento.it/userfiles/files/sadipemenuta.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/zezuwurovisasawele.pdfIn PDF document text
  • http://urotunisia.com/uploads/FCK_files/file/93927839104.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16146f03f7f9bf---vosumolir.pdfIn PDF document text
  • http://sportgalaktik.sk/userfiles/file/worovivoselagidewifebu.pdfIn PDF document text
  • http://freehajjandumrah.com/admin/admin/uploadfiles/file/gadiz.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/b043c5e01d77389298f93213de721c38/dalagademizajowil.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/161402befc6fd7---53532896702.pdfIn PDF document text
  • https://arabadvertise.com/userfiles/files/didulijuxidejosavolulit.pdfIn PDF document text
  • http://intelekt.biz/uploads/pages/files/runonijosuzijev.pdfIn PDF document text
  • https://mimpiindah88.com/contents/files/lujikuvejeditob.pdfIn PDF document text
  • http://nicolalazzarotto.com/userfiles/files/kozufesiz.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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