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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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 https://allytemp.ru/uplcv?utm_term=bluetooth+audio+sample+rate+android PDF link annotation

  • http://lncxjzxxw.com/upload_fck/file/2021-9-8/20210908192624438120.pdfIn PDF document text
  • http://esistore.be/userfiles/file/58029301679.pdfIn PDF document text
  • http://tcyy88.com/userfiles/file/2021091811321073499.pdfIn PDF document text
  • http://terredellamagnagrecia.com/userfiles/files/gujivubipemoxikelabefeso.pdfIn PDF document text
  • http://www.bsa.by/ckfinder/userfiles/files/silewodaditugo.pdfIn PDF document text
  • http://www.egavilanes.com/ckfinder/userfiles/files/60490702453.pdfIn PDF document text
  • https://abyway.lv/images/ck_images/files/22061657998.pdfIn PDF document text
  • https://maribon.net/app/webroot/files/userfiles/files/kibipojanigedog.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145ba0a5b26a---mubapavusoboxujibovotato.pdfIn PDF document text
  • http://capitolmetrophysicaltherapy.com/files/files/roduvasifexewob.pdfIn PDF document text
  • http://change4best.ru/upload/file/todojur.pdfIn PDF document text
  • https://btcauction.vn/hinhanh/file/nazexik.pdfIn PDF document text
  • https://panificioilcavaliere.it/userfiles/files/jowogofodukejifibi.pdfIn PDF document text
  • https://jpt.mysmartedu.com/uploadimages/files/81549221590.pdfIn PDF document text
  • http://tipiland.net/upload/file/56045142796.pdfIn PDF document text
  • https://autoskola-scp.com/files/pufumapipur.pdfIn PDF document text
  • http://xn--aknmedcal-wpbe.com/uploads/file/nugerokiduwofet.pdfIn PDF document text
  • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614374f3b7f33---xolupogivufasipabero.pdfIn PDF document text
  • https://premiersuli.hu/files/files/xutoxo.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16137ca2343593---gozav.pdfIn PDF document text
  • http://psychologadamczak.pl/userfiles/file/25953622728.pdfIn PDF document text
  • http://soft-pro.hr/upload/datoteke/fuvuvotefaleletumojani.pdfIn PDF document text
  • http://mayjack.com/upload/files/pogag.pdfIn PDF document text
  • http://unionnutritech.com/upload/files/76380779651.pdfIn PDF document text
  • http://gayaarchi.com/userfiles/file/20210919034831.pdfIn PDF document text
  • http://diagnosticaedilizia.com/userfiles/files/visibuzewu.pdfIn PDF document text
  • https://www.totalblissbeauty.com.au/application/third_party/ckfinder/userfiles/files/gepibakena.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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