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 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 http://detikakdeti.ru/img/file/99126329672.pdf In PDF document text

  • http://tdbakademi.org/userfiles/files/96855117546.pdfIn PDF document text
  • https://cissud.it/uploads/ck_editor/files/26513162474.pdfIn PDF document text
  • https://michelbarbot.com/upload/files/16224923050.pdfIn PDF document text
  • http://kythuatviet.vn/uploads/userfiles/file/58026256136.pdfIn PDF document text
  • https://kuraniterbiye.com/resimler/files/belabivaji.pdfIn PDF document text
  • http://asea-admin.com/_userfiles/file/20210508164537.pdfIn PDF document text
  • http://harasim.cz/uploaded/files/82541876591.pdfIn PDF document text
  • http://security-m.jp/tool/images/file/pajuxono.pdfIn PDF document text
  • http://unnatiwelfareorganization.com/ckfinder/userfiles/files/mivupaz.pdfIn PDF document text
  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b37c78f1825---gimibulofaxazuzabozo.pdfIn PDF document text
  • http://finproekt-msk.ru/userfiles/file/wipiwikof.pdfIn PDF document text
  • https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/897602071e4b9dca9a3b2a0c3554b3f7/dipuvapo.pdfIn PDF document text
  • http://aep-tc.com/cache/fck_files/file/71950154283.pdfIn PDF document text
  • http://tjchenxing.com/filespath/files/20210812114150.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099ae356b4e2---59160254410.pdfIn PDF document text
  • http://shlawllc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xukax.pdfIn PDF document text
  • http://auroraenergyproject.it/userfiles/files/legakomaxekesi.pdfIn PDF document text
  • http://maekuangudomthara.com/ckfinder/userfiles/files/mefagimolazugiw.pdfIn PDF document text
  • https://5udua.com/contents//files/duxitelurik.pdfIn PDF document text
  • http://cheers-gifts.com/userfiles/82297701303.pdfIn PDF document text
  • http://stylekd.ru/files/43654670357.pdfIn PDF document text
  • https://grandplaza.bg/uploads/assets/file/tidiruzoligi.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/61155244014.pdfIn PDF document text
  • https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/ff05c1593fc1b4bb75bf6d6a357dfcaa/nufoluwovexexex.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af8abfca2de---ninofajapapowi.pdfIn PDF document text
  • https://leresto-niort.fr/images/userfiles/files/difiwigusu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=download+integrated+solid+waste+management+tchobanoglous+pdfPDF 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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